

<!--XBRL Document Created with Wdesk from Workiva-->
<!-- -->
<link:linkbase xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <link:roleRef roleURI="http://www.liquidityservices.com/role/ConsolidatedBalanceSheets" xlink:href="lqdt-20170630.xsd#ConsolidatedBalanceSheets" xlink:type="simple" />
  <link:roleRef roleURI="http://www.liquidityservices.com/role/ConsolidatedBalanceSheetsParenthetical" xlink:href="lqdt-20170630.xsd#ConsolidatedBalanceSheetsParenthetical" xlink:type="simple" />
  <link:roleRef roleURI="http://www.liquidityservices.com/role/DefinedBenefitPensionPlan" xlink:href="lqdt-20170630.xsd#DefinedBenefitPensionPlan" xlink:type="simple" />
  <link:roleRef roleURI="http://www.liquidityservices.com/role/DefinedBenefitPensionPlanDetails" xlink:href="lqdt-20170630.xsd#DefinedBenefitPensionPlanDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.liquidityservices.com/role/DefinedBenefitPensionPlanTables" xlink:href="lqdt-20170630.xsd#DefinedBenefitPensionPlanTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.liquidityservices.com/role/DocumentAndEntityInformation" xlink:href="lqdt-20170630.xsd#DocumentAndEntityInformation" xlink:type="simple" />
  <link:roleRef roleURI="http://www.liquidityservices.com/role/FairValueMeasurement" xlink:href="lqdt-20170630.xsd#FairValueMeasurement" xlink:type="simple" />
  <link:roleRef roleURI="http://www.liquidityservices.com/role/FairValueMeasurementChangeInLevel3AssetsDetails" xlink:href="lqdt-20170630.xsd#FairValueMeasurementChangeInLevel3AssetsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.liquidityservices.com/role/FairValueMeasurementNarrativeDetails" xlink:href="lqdt-20170630.xsd#FairValueMeasurementNarrativeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.liquidityservices.com/role/FairValueMeasurementTables" xlink:href="lqdt-20170630.xsd#FairValueMeasurementTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.liquidityservices.com/role/Goodwill" xlink:href="lqdt-20170630.xsd#Goodwill" xlink:type="simple" />
  <link:roleRef roleURI="http://www.liquidityservices.com/role/GoodwillDetails" xlink:href="lqdt-20170630.xsd#GoodwillDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.liquidityservices.com/role/GoodwillNarrativeDetails" xlink:href="lqdt-20170630.xsd#GoodwillNarrativeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.liquidityservices.com/role/GoodwillTables" xlink:href="lqdt-20170630.xsd#GoodwillTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.liquidityservices.com/role/Guarantees" xlink:href="lqdt-20170630.xsd#Guarantees" xlink:type="simple" />
  <link:roleRef roleURI="http://www.liquidityservices.com/role/GuaranteesDetails" xlink:href="lqdt-20170630.xsd#GuaranteesDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.liquidityservices.com/role/IncomeTaxes" xlink:href="lqdt-20170630.xsd#IncomeTaxes" xlink:type="simple" />
  <link:roleRef roleURI="http://www.liquidityservices.com/role/IncomeTaxesDetails" xlink:href="lqdt-20170630.xsd#IncomeTaxesDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.liquidityservices.com/role/IntangibleAssets" xlink:href="lqdt-20170630.xsd#IntangibleAssets" xlink:type="simple" />
  <link:roleRef roleURI="http://www.liquidityservices.com/role/IntangibleAssetsAmortizationDetails" xlink:href="lqdt-20170630.xsd#IntangibleAssetsAmortizationDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.liquidityservices.com/role/IntangibleAssetsCarryingAmountDetails" xlink:href="lqdt-20170630.xsd#IntangibleAssetsCarryingAmountDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.liquidityservices.com/role/IntangibleAssetsNarrativeDetails" xlink:href="lqdt-20170630.xsd#IntangibleAssetsNarrativeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.liquidityservices.com/role/IntangibleAssetsTables" xlink:href="lqdt-20170630.xsd#IntangibleAssetsTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.liquidityservices.com/role/LegalProceedings" xlink:href="lqdt-20170630.xsd#LegalProceedings" xlink:type="simple" />
  <link:roleRef roleURI="http://www.liquidityservices.com/role/Organization" xlink:href="lqdt-20170630.xsd#Organization" xlink:type="simple" />
  <link:roleRef roleURI="http://www.liquidityservices.com/role/OrganizationDetails" xlink:href="lqdt-20170630.xsd#OrganizationDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.liquidityservices.com/role/SegmentInformationDetails" xlink:href="lqdt-20170630.xsd#SegmentInformationDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.liquidityservices.com/role/SegmentInformationNarrativeDetails" xlink:href="lqdt-20170630.xsd#SegmentInformationNarrativeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.liquidityservices.com/role/SegmentInformationSegmentInformation" xlink:href="lqdt-20170630.xsd#SegmentInformationSegmentInformation" xlink:type="simple" />
  <link:roleRef roleURI="http://www.liquidityservices.com/role/SegmentInformationTables" xlink:href="lqdt-20170630.xsd#SegmentInformationTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.liquidityservices.com/role/SignificantContracts" xlink:href="lqdt-20170630.xsd#SignificantContracts" xlink:type="simple" />
  <link:roleRef roleURI="http://www.liquidityservices.com/role/SignificantContractsDetails" xlink:href="lqdt-20170630.xsd#SignificantContractsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.liquidityservices.com/role/StockholdersEquity" xlink:href="lqdt-20170630.xsd#StockholdersEquity" xlink:type="simple" />
  <link:roleRef roleURI="http://www.liquidityservices.com/role/StockholdersEquity2006PlanActivityDetails" xlink:href="lqdt-20170630.xsd#StockholdersEquity2006PlanActivityDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.liquidityservices.com/role/StockholdersEquityNarrativeDetails" xlink:href="lqdt-20170630.xsd#StockholdersEquityNarrativeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.liquidityservices.com/role/StockholdersEquityRestrictedShareActivityDetails" xlink:href="lqdt-20170630.xsd#StockholdersEquityRestrictedShareActivityDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.liquidityservices.com/role/StockholdersEquityTables" xlink:href="lqdt-20170630.xsd#StockholdersEquityTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.liquidityservices.com/role/SummaryOfSignificantAccountingPolicies" xlink:href="lqdt-20170630.xsd#SummaryOfSignificantAccountingPolicies" xlink:type="simple" />
  <link:roleRef roleURI="http://www.liquidityservices.com/role/SummaryOfSignificantAccountingPoliciesEarningsPerShareDetails" xlink:href="lqdt-20170630.xsd#SummaryOfSignificantAccountingPoliciesEarningsPerShareDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.liquidityservices.com/role/SummaryOfSignificantAccountingPoliciesNarrativeDetails" xlink:href="lqdt-20170630.xsd#SummaryOfSignificantAccountingPoliciesNarrativeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.liquidityservices.com/role/SummaryOfSignificantAccountingPoliciesPolicies" xlink:href="lqdt-20170630.xsd#SummaryOfSignificantAccountingPoliciesPolicies" xlink:type="simple" />
  <link:roleRef roleURI="http://www.liquidityservices.com/role/SummaryOfSignificantAccountingPoliciesTables" xlink:href="lqdt-20170630.xsd#SummaryOfSignificantAccountingPoliciesTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.liquidityservices.com/role/UnauditedConsolidatedStatementOfChangesInStockholdersEquity" xlink:href="lqdt-20170630.xsd#UnauditedConsolidatedStatementOfChangesInStockholdersEquity" xlink:type="simple" />
  <link:roleRef roleURI="http://www.liquidityservices.com/role/UnauditedConsolidatedStatementsOfCashFlows" xlink:href="lqdt-20170630.xsd#UnauditedConsolidatedStatementsOfCashFlows" xlink:type="simple" />
  <link:roleRef roleURI="http://www.liquidityservices.com/role/UnauditedConsolidatedStatementsOfComprehensiveLoss" xlink:href="lqdt-20170630.xsd#UnauditedConsolidatedStatementsOfComprehensiveLoss" xlink:type="simple" />
  <link:roleRef roleURI="http://www.liquidityservices.com/role/UnauditedConsolidatedStatementsOfOperations" xlink:href="lqdt-20170630.xsd#UnauditedConsolidatedStatementsOfOperations" xlink:type="simple" />
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedLabel" xlink:type="simple" />
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedNetLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedNetLabel" xlink:type="simple" />
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedPeriodEndLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedPeriodEndLabel" xlink:type="simple" />
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedPeriodStartLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedPeriodStartLabel" xlink:type="simple" />
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTerseLabel" xlink:type="simple" />
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTotalLabel" xlink:type="simple" />
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/netLabel" xlink:href="http://www.xbrl.org/lrr/role/net-2009-12-16.xsd#netLabel" xlink:type="simple" />
  <link:presentationLink xlink:role="http://www.liquidityservices.com/role/ConsolidatedBalanceSheets" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementOfFinancialPositionAbstract" xlink:label="loc_us-gaap_StatementOfFinancialPositionAbstract_5B3E2D52A7D7818E5136A43DDDA355C8" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AssetsAbstract" xlink:label="loc_us-gaap_AssetsAbstract_42738F076189C89095BDA43DDDA8C28C" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_5B3E2D52A7D7818E5136A43DDDA355C8" xlink:to="loc_us-gaap_AssetsAbstract_42738F076189C89095BDA43DDDA8C28C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AssetsCurrentAbstract" xlink:label="loc_us-gaap_AssetsCurrentAbstract_6062F71668607F3AFD6BA43DDDA8C2C2" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_42738F076189C89095BDA43DDDA8C28C" xlink:to="loc_us-gaap_AssetsCurrentAbstract_6062F71668607F3AFD6BA43DDDA8C2C2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_67CAF8EB7B2A9E10DD33A43DDDA95FD3" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_6062F71668607F3AFD6BA43DDDA8C2C2" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_67CAF8EB7B2A9E10DD33A43DDDA95FD3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccountsReceivableNetCurrent" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_B4C021AAC2CA643F83A6A43DDDAC2272" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_6062F71668607F3AFD6BA43DDDA8C2C2" xlink:to="loc_us-gaap_AccountsReceivableNetCurrent_B4C021AAC2CA643F83A6A43DDDAC2272" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InventoryNet" xlink:label="loc_us-gaap_InventoryNet_D3820704B86EB321D4A5A43DDDAC9BF0" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_6062F71668607F3AFD6BA43DDDA8C2C2" xlink:to="loc_us-gaap_InventoryNet_D3820704B86EB321D4A5A43DDDAC9BF0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeTaxesReceivable" xlink:label="loc_us-gaap_IncomeTaxesReceivable_39A8EDC99FA7619DB81FA43DDDACB668" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_6062F71668607F3AFD6BA43DDDA8C2C2" xlink:to="loc_us-gaap_IncomeTaxesReceivable_39A8EDC99FA7619DB81FA43DDDACB668" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PrepaidTaxes" xlink:label="loc_us-gaap_PrepaidTaxes_E1B65B9BC28AF55969D5A43DDDACD867" xlink:type="locator" />
    <link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_6062F71668607F3AFD6BA43DDDA8C2C2" xlink:to="loc_us-gaap_PrepaidTaxes_E1B65B9BC28AF55969D5A43DDDACD867" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PrepaidExpenseAndOtherAssetsCurrent" xlink:label="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_81CF21421B0701AFD571A43DDDAC1487" xlink:type="locator" />
    <link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_6062F71668607F3AFD6BA43DDDA8C2C2" xlink:to="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_81CF21421B0701AFD571A43DDDAC1487" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AssetsCurrent" xlink:label="loc_us-gaap_AssetsCurrent_BD16F4E39BB9AF05DEBEA43DDDAC47E5" xlink:type="locator" />
    <link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_6062F71668607F3AFD6BA43DDDA8C2C2" xlink:to="loc_us-gaap_AssetsCurrent_BD16F4E39BB9AF05DEBEA43DDDAC47E5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_C92C28998F676EA387A0A43DDDACFA3D" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_42738F076189C89095BDA43DDDA8C28C" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_C92C28998F676EA387A0A43DDDACFA3D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_343C6A00AE5C7FDDC658A43DDDAC26BF" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_42738F076189C89095BDA43DDDA8C28C" xlink:to="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_343C6A00AE5C7FDDC658A43DDDAC26BF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_939D0017DCF786ECCA38A43DDDAC3C12" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_42738F076189C89095BDA43DDDA8C28C" xlink:to="loc_us-gaap_Goodwill_939D0017DCF786ECCA38A43DDDAC3C12" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredTaxAssetsGrossNoncurrent" xlink:label="loc_us-gaap_DeferredTaxAssetsGrossNoncurrent_FB33524E78C0E2585516A43DDDAC1784" xlink:type="locator" />
    <link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_42738F076189C89095BDA43DDDA8C28C" xlink:to="loc_us-gaap_DeferredTaxAssetsGrossNoncurrent_FB33524E78C0E2585516A43DDDAC1784" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherAssetsNoncurrent" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_B13BB223710AC06A2064A43DDDAC183A" xlink:type="locator" />
    <link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_42738F076189C89095BDA43DDDA8C28C" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_B13BB223710AC06A2064A43DDDAC183A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Assets" xlink:label="loc_us-gaap_Assets_774C9D8055F36B47CF43A43DDDAD82B4" xlink:type="locator" />
    <link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_42738F076189C89095BDA43DDDA8C28C" xlink:to="loc_us-gaap_Assets_774C9D8055F36B47CF43A43DDDAD82B4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_8AE070E143098B363568A43DDDAD11C8" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_5B3E2D52A7D7818E5136A43DDDA355C8" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_8AE070E143098B363568A43DDDAD11C8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LiabilitiesCurrentAbstract" xlink:label="loc_us-gaap_LiabilitiesCurrentAbstract_17130AA7880E0959A180A43DDDADB817" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_8AE070E143098B363568A43DDDAD11C8" xlink:to="loc_us-gaap_LiabilitiesCurrentAbstract_17130AA7880E0959A180A43DDDADB817" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccountsPayableCurrent" xlink:label="loc_us-gaap_AccountsPayableCurrent_9BA5F37AF00554D7118AA43DDDAD0600" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_17130AA7880E0959A180A43DDDADB817" xlink:to="loc_us-gaap_AccountsPayableCurrent_9BA5F37AF00554D7118AA43DDDAD0600" xlink:type="arc" />
    <link:loc xlink:href="lqdt-20170630.xsd#lqdt_AccruedExpensesAndOtherCurrentLiabilities" xlink:label="loc_lqdt_AccruedExpensesAndOtherCurrentLiabilities_D9F9EBD65261E710AC1EA43DDDADB5A9" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_17130AA7880E0959A180A43DDDADB817" xlink:to="loc_lqdt_AccruedExpensesAndOtherCurrentLiabilities_D9F9EBD65261E710AC1EA43DDDADB5A9" xlink:type="arc" />
    <link:loc xlink:href="lqdt-20170630.xsd#lqdt_ProfitSharingDistributionsPayable" xlink:label="loc_lqdt_ProfitSharingDistributionsPayable_B2D73BE5347AEF4E2A63A43DDDAD95C3" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_17130AA7880E0959A180A43DDDADB817" xlink:to="loc_lqdt_ProfitSharingDistributionsPayable_B2D73BE5347AEF4E2A63A43DDDAD95C3" xlink:type="arc" />
    <link:loc xlink:href="lqdt-20170630.xsd#lqdt_CustomerPayables" xlink:label="loc_lqdt_CustomerPayables_715D4F0F4EE01AD9FB29A43DDDAD45C7" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_17130AA7880E0959A180A43DDDADB817" xlink:to="loc_lqdt_CustomerPayables_715D4F0F4EE01AD9FB29A43DDDAD45C7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LiabilitiesCurrent" xlink:label="loc_us-gaap_LiabilitiesCurrent_8165CE4A2878415D5676A43DDDADEF92" xlink:type="locator" />
    <link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_17130AA7880E0959A180A43DDDADB817" xlink:to="loc_us-gaap_LiabilitiesCurrent_8165CE4A2878415D5676A43DDDADEF92" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredTaxAndOtherLiabilitiesNoncurrent" xlink:label="loc_us-gaap_DeferredTaxAndOtherLiabilitiesNoncurrent_A5C2BD5E9F1ACDE542C1A43DDDAD21C0" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_8AE070E143098B363568A43DDDAD11C8" xlink:to="loc_us-gaap_DeferredTaxAndOtherLiabilitiesNoncurrent_A5C2BD5E9F1ACDE542C1A43DDDAD21C0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Liabilities" xlink:label="loc_us-gaap_Liabilities_1B8D60BE94E640E0913AA43DDDAD7FB5" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_8AE070E143098B363568A43DDDAD11C8" xlink:to="loc_us-gaap_Liabilities_1B8D60BE94E640E0913AA43DDDAD7FB5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CommitmentsAndContingencies" xlink:label="loc_us-gaap_CommitmentsAndContingencies_4165D252F4F771AB4844A43DDDAD7DBD" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_8AE070E143098B363568A43DDDAD11C8" xlink:to="loc_us-gaap_CommitmentsAndContingencies_4165D252F4F771AB4844A43DDDAD7DBD" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StockholdersEquityAbstract" xlink:label="loc_us-gaap_StockholdersEquityAbstract_B8FF06D3D7F0B9C374C6A43DDDAD9953" xlink:type="locator" />
    <link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_8AE070E143098B363568A43DDDAD11C8" xlink:to="loc_us-gaap_StockholdersEquityAbstract_B8FF06D3D7F0B9C374C6A43DDDAD9953" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CommonStockValue" xlink:label="loc_us-gaap_CommonStockValue_85AF7315E86D56099581A43DDDAD54C4" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_B8FF06D3D7F0B9C374C6A43DDDAD9953" xlink:to="loc_us-gaap_CommonStockValue_85AF7315E86D56099581A43DDDAD54C4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AdditionalPaidInCapitalCommonStock" xlink:label="loc_us-gaap_AdditionalPaidInCapitalCommonStock_9BEA8A48357661C90109A43DDDADC567" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_B8FF06D3D7F0B9C374C6A43DDDAD9953" xlink:to="loc_us-gaap_AdditionalPaidInCapitalCommonStock_9BEA8A48357661C90109A43DDDADC567" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_3584A3DAB90258C7A0FAA43DDDAE9E7A" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_B8FF06D3D7F0B9C374C6A43DDDAD9953" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_3584A3DAB90258C7A0FAA43DDDAE9E7A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_3DCC863ADFBEAF4F20E8A43DDDAE600A" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_B8FF06D3D7F0B9C374C6A43DDDAD9953" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_3DCC863ADFBEAF4F20E8A43DDDAE600A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="loc_us-gaap_StockholdersEquity_164A8319C5EB64BA88DDA43DDDAE9319" xlink:type="locator" />
    <link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_B8FF06D3D7F0B9C374C6A43DDDAD9953" xlink:to="loc_us-gaap_StockholdersEquity_164A8319C5EB64BA88DDA43DDDAE9319" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_CEDCA550B079810EADB0A43DDDAEBBD8" xlink:type="locator" />
    <link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_B8FF06D3D7F0B9C374C6A43DDDAD9953" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquity_CEDCA550B079810EADB0A43DDDAEBBD8" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.liquidityservices.com/role/ConsolidatedBalanceSheetsParenthetical" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementOfFinancialPositionAbstract" xlink:label="loc_us-gaap_StatementOfFinancialPositionAbstract_7AEDC4B6CAA74C0638449E55409BCC74" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_8A897985B531DB030CA49E55409BD868" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_7AEDC4B6CAA74C0638449E55409BCC74" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_8A897985B531DB030CA49E55409BD868" xlink:type="arc" />
    <link:loc xlink:href="lqdt-20170630.xsd#lqdt_PrepaidExpensesandOtherAssetsFairValueDisclosure" xlink:label="loc_lqdt_PrepaidExpensesandOtherAssetsFairValueDisclosure_989B67207B10C81930A09E55409BB315" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_7AEDC4B6CAA74C0638449E55409BCC74" xlink:to="loc_lqdt_PrepaidExpensesandOtherAssetsFairValueDisclosure_989B67207B10C81930A09E55409BB315" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CommonStockParOrStatedValuePerShare" xlink:label="loc_us-gaap_CommonStockParOrStatedValuePerShare_C99EF6A5978450C6355D9E55409B0708" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_7AEDC4B6CAA74C0638449E55409BCC74" xlink:to="loc_us-gaap_CommonStockParOrStatedValuePerShare_C99EF6A5978450C6355D9E55409B0708" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CommonStockSharesAuthorized" xlink:label="loc_us-gaap_CommonStockSharesAuthorized_AAC6C2DB6E1B020AD2AA9E55409CF2BA" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_7AEDC4B6CAA74C0638449E55409BCC74" xlink:to="loc_us-gaap_CommonStockSharesAuthorized_AAC6C2DB6E1B020AD2AA9E55409CF2BA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CommonStockSharesIssued" xlink:label="loc_us-gaap_CommonStockSharesIssued_A1F818611B5A878FC5AD9E55409C7F26" xlink:type="locator" />
    <link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_7AEDC4B6CAA74C0638449E55409BCC74" xlink:to="loc_us-gaap_CommonStockSharesIssued_A1F818611B5A878FC5AD9E55409C7F26" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CommonStockSharesOutstanding" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_A0E37433D1FC980355059E55409C5949" xlink:type="locator" />
    <link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_7AEDC4B6CAA74C0638449E55409BCC74" xlink:to="loc_us-gaap_CommonStockSharesOutstanding_A0E37433D1FC980355059E55409C5949" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.liquidityservices.com/role/DefinedBenefitPensionPlan" xlink:type="extended">
    <link:loc xlink:href="lqdt-20170630.xsd#lqdt_DefinedBenefitPensionPlanAbstract" xlink:label="loc_lqdt_DefinedBenefitPensionPlanAbstract_5DF14D328E96E5FA093A9E554100056D" xlink:type="locator" />
    <link:loc xlink:href="lqdt-20170630.xsd#lqdt_DefinedBenefitPensionPlanTextBlockDisclosureTextBlock" xlink:label="loc_lqdt_DefinedBenefitPensionPlanTextBlockDisclosureTextBlock_5A38D33CBE2CAEEDFE629E5541008D5C" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_lqdt_DefinedBenefitPensionPlanAbstract_5DF14D328E96E5FA093A9E554100056D" xlink:to="loc_lqdt_DefinedBenefitPensionPlanTextBlockDisclosureTextBlock_5A38D33CBE2CAEEDFE629E5541008D5C" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.liquidityservices.com/role/DefinedBenefitPensionPlanDetails" xlink:type="extended">
    <link:loc xlink:href="lqdt-20170630.xsd#lqdt_DefinedBenefitPensionPlanAbstract" xlink:label="loc_lqdt_DefinedBenefitPensionPlanAbstract_E85DD0FC98C9E9FAEE549E568089EF48" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable" xlink:label="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_57135B8497A468BCCA1B9E568089F3FF" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_lqdt_DefinedBenefitPensionPlanAbstract_E85DD0FC98C9E9FAEE549E568089EF48" xlink:to="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_57135B8497A468BCCA1B9E568089F3FF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RetirementPlanTypeAxis" xlink:label="loc_us-gaap_RetirementPlanTypeAxis_6BD488726FB1232A28B49E56808A3865" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_57135B8497A468BCCA1B9E568089F3FF" xlink:to="loc_us-gaap_RetirementPlanTypeAxis_6BD488726FB1232A28B49E56808A3865" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RetirementPlanTypeDomain" xlink:label="loc_us-gaap_RetirementPlanTypeDomain_843F10726E4A7E67FE469E56808AB88E" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RetirementPlanTypeAxis_6BD488726FB1232A28B49E56808A3865" xlink:to="loc_us-gaap_RetirementPlanTypeDomain_843F10726E4A7E67FE469E56808AB88E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PensionPlansDefinedBenefitMember" xlink:label="loc_us-gaap_PensionPlansDefinedBenefitMember_C5262FDCE94D3160D43A9E56808A64D7" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RetirementPlanTypeDomain_843F10726E4A7E67FE469E56808AB88E" xlink:to="loc_us-gaap_PensionPlansDefinedBenefitMember_C5262FDCE94D3160D43A9E56808A64D7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DefinedBenefitPlanDisclosureLineItems" xlink:label="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_1CCFB26F9D7A4AD011579E56808A9B60" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_57135B8497A468BCCA1B9E568089F3FF" xlink:to="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_1CCFB26F9D7A4AD011579E56808A9B60" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DefinedBenefitPlanNetPeriodicBenefitCostAbstract" xlink:label="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCostAbstract_CF4CD5C57487FBA9E79B9E56808A91B0" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_1CCFB26F9D7A4AD011579E56808A9B60" xlink:to="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCostAbstract_CF4CD5C57487FBA9E79B9E56808A91B0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DefinedBenefitPlanInterestCost" xlink:label="loc_us-gaap_DefinedBenefitPlanInterestCost_58852CD3ADC2C6F7B5AD9E56808ACFE7" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCostAbstract_CF4CD5C57487FBA9E79B9E56808A91B0" xlink:to="loc_us-gaap_DefinedBenefitPlanInterestCost_58852CD3ADC2C6F7B5AD9E56808ACFE7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets" xlink:label="loc_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_CB603366CAA9A538A99C9E56808AD6D4" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCostAbstract_CF4CD5C57487FBA9E79B9E56808A91B0" xlink:to="loc_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_CB603366CAA9A538A99C9E56808AD6D4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost" xlink:label="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_5023878BCE1F1ECAB8A59E56808A847D" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCostAbstract_CF4CD5C57487FBA9E79B9E56808A91B0" xlink:to="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_5023878BCE1F1ECAB8A59E56808A847D" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.liquidityservices.com/role/DefinedBenefitPensionPlanTables" xlink:type="extended">
    <link:loc xlink:href="lqdt-20170630.xsd#lqdt_DefinedBenefitPensionPlanAbstract" xlink:label="loc_lqdt_DefinedBenefitPensionPlanAbstract_37828176A02BD105B0FB9E5541080528" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfNetBenefitCostsTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfNetBenefitCostsTableTextBlock_7B350A0CB18907BBAA519E554108CEE7" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_lqdt_DefinedBenefitPensionPlanAbstract_37828176A02BD105B0FB9E5541080528" xlink:to="loc_us-gaap_ScheduleOfNetBenefitCostsTableTextBlock_7B350A0CB18907BBAA519E554108CEE7" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.liquidityservices.com/role/DocumentAndEntityInformation" xlink:type="extended">
    <link:loc xlink:href="lqdt-20170630.xsd#lqdt_DocumentAndEntityInformationAbstract" xlink:label="loc_lqdt_DocumentAndEntityInformationAbstract_AF69007F2466759BB2AD9E55411F8E60" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityRegistrantName" xlink:label="loc_dei_EntityRegistrantName_3616E86FD283A2387C119E554120F04D" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_lqdt_DocumentAndEntityInformationAbstract_AF69007F2466759BB2AD9E55411F8E60" xlink:to="loc_dei_EntityRegistrantName_3616E86FD283A2387C119E554120F04D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityCentralIndexKey" xlink:label="loc_dei_EntityCentralIndexKey_41E9909AB4730464072F9E554120D8BD" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_lqdt_DocumentAndEntityInformationAbstract_AF69007F2466759BB2AD9E55411F8E60" xlink:to="loc_dei_EntityCentralIndexKey_41E9909AB4730464072F9E554120D8BD" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_DocumentType" xlink:label="loc_dei_DocumentType_EE00D51DA991467025859E5541203076" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_lqdt_DocumentAndEntityInformationAbstract_AF69007F2466759BB2AD9E55411F8E60" xlink:to="loc_dei_DocumentType_EE00D51DA991467025859E5541203076" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_DocumentPeriodEndDate" xlink:label="loc_dei_DocumentPeriodEndDate_3B9A361A39247D7114409E55412004CA" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_lqdt_DocumentAndEntityInformationAbstract_AF69007F2466759BB2AD9E55411F8E60" xlink:to="loc_dei_DocumentPeriodEndDate_3B9A361A39247D7114409E55412004CA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_AmendmentFlag" xlink:label="loc_dei_AmendmentFlag_DA4389DC3386FE7592C79E554120C25F" xlink:type="locator" />
    <link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_lqdt_DocumentAndEntityInformationAbstract_AF69007F2466759BB2AD9E55411F8E60" xlink:to="loc_dei_AmendmentFlag_DA4389DC3386FE7592C79E554120C25F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_CurrentFiscalYearEndDate" xlink:label="loc_dei_CurrentFiscalYearEndDate_B833B1AF2227995CCD599E554120866B" xlink:type="locator" />
    <link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_lqdt_DocumentAndEntityInformationAbstract_AF69007F2466759BB2AD9E55411F8E60" xlink:to="loc_dei_CurrentFiscalYearEndDate_B833B1AF2227995CCD599E554120866B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityCurrentReportingStatus" xlink:label="loc_dei_EntityCurrentReportingStatus_A24FCAA6A286CE7648449E554120024E" xlink:type="locator" />
    <link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_lqdt_DocumentAndEntityInformationAbstract_AF69007F2466759BB2AD9E55411F8E60" xlink:to="loc_dei_EntityCurrentReportingStatus_A24FCAA6A286CE7648449E554120024E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityFilerCategory" xlink:label="loc_dei_EntityFilerCategory_68AA3D3473C3BDD08C179E554120B30B" xlink:type="locator" />
    <link:presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_lqdt_DocumentAndEntityInformationAbstract_AF69007F2466759BB2AD9E55411F8E60" xlink:to="loc_dei_EntityFilerCategory_68AA3D3473C3BDD08C179E554120B30B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityCommonStockSharesOutstanding" xlink:label="loc_dei_EntityCommonStockSharesOutstanding_B89B4E69A2EF78E2041E9E554120786C" xlink:type="locator" />
    <link:presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_lqdt_DocumentAndEntityInformationAbstract_AF69007F2466759BB2AD9E55411F8E60" xlink:to="loc_dei_EntityCommonStockSharesOutstanding_B89B4E69A2EF78E2041E9E554120786C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_DocumentFiscalYearFocus" xlink:label="loc_dei_DocumentFiscalYearFocus_D579AB630685F4D891FC9E554120DF32" xlink:type="locator" />
    <link:presentationArc order="10" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_lqdt_DocumentAndEntityInformationAbstract_AF69007F2466759BB2AD9E55411F8E60" xlink:to="loc_dei_DocumentFiscalYearFocus_D579AB630685F4D891FC9E554120DF32" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_DocumentFiscalPeriodFocus" xlink:label="loc_dei_DocumentFiscalPeriodFocus_CE1EE1CB52257CF9553B9E554120E1B6" xlink:type="locator" />
    <link:presentationArc order="11" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_lqdt_DocumentAndEntityInformationAbstract_AF69007F2466759BB2AD9E55411F8E60" xlink:to="loc_dei_DocumentFiscalPeriodFocus_CE1EE1CB52257CF9553B9E554120E1B6" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.liquidityservices.com/role/FairValueMeasurement" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueDisclosuresAbstract" xlink:label="loc_us-gaap_FairValueDisclosuresAbstract_5C86F3D98F7E5B9FD1939E55411A6581" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueDisclosuresTextBlock" xlink:label="loc_us-gaap_FairValueDisclosuresTextBlock_9BB8100B7FBD594AC3EB9E55411A033C" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosuresAbstract_5C86F3D98F7E5B9FD1939E55411A6581" xlink:to="loc_us-gaap_FairValueDisclosuresTextBlock_9BB8100B7FBD594AC3EB9E55411A033C" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.liquidityservices.com/role/FairValueMeasurementChangeInLevel3AssetsDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueDisclosuresAbstract" xlink:label="loc_us-gaap_FairValueDisclosuresAbstract_845592FA4EC9C1BD7E5BA4421169CA63" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_12D0310608A3C00F164BA44211692B6D" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosuresAbstract_845592FA4EC9C1BD7E5BA4421169CA63" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_12D0310608A3C00F164BA44211692B6D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueByMeasurementFrequencyAxis" xlink:label="loc_us-gaap_FairValueByMeasurementFrequencyAxis_6E83B553A1988A6CE773A44211692B15" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_12D0310608A3C00F164BA44211692B6D" xlink:to="loc_us-gaap_FairValueByMeasurementFrequencyAxis_6E83B553A1988A6CE773A44211692B15" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueMeasurementFrequencyDomain" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_529103D2E23D602744C6A44211696706" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_6E83B553A1988A6CE773A44211692B15" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_529103D2E23D602744C6A44211696706" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueMeasurementsRecurringMember" xlink:label="loc_us-gaap_FairValueMeasurementsRecurringMember_BD456A610AE588F8D6E8A4421169DFEC" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementFrequencyDomain_529103D2E23D602744C6A44211696706" xlink:to="loc_us-gaap_FairValueMeasurementsRecurringMember_BD456A610AE588F8D6E8A4421169DFEC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_6F8FAF52D8F6A4896CA8A4421169DF40" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_12D0310608A3C00F164BA44211692B6D" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_6F8FAF52D8F6A4896CA8A4421169DF40" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_F60938EC6E1A7176D567A44211698487" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_6F8FAF52D8F6A4896CA8A4421169DF40" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_F60938EC6E1A7176D567A44211698487" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueInputsLevel3Member" xlink:label="loc_us-gaap_FairValueInputsLevel3Member_0B45AB010196242D3863A4421169E867" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_F60938EC6E1A7176D567A44211698487" xlink:to="loc_us-gaap_FairValueInputsLevel3Member_0B45AB010196242D3863A4421169E867" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_D4B98D1BEAA3782ACC2FA44211695C43" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_12D0310608A3C00F164BA44211692B6D" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_D4B98D1BEAA3782ACC2FA44211695C43" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_AF2B24DD532DDCBD1DDAA4421169FEA1" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_D4B98D1BEAA3782ACC2FA44211695C43" xlink:to="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_AF2B24DD532DDCBD1DDAA4421169FEA1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue_3533785F3C20E9D9C16BA4421169E84D" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_AF2B24DD532DDCBD1DDAA4421169FEA1" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue_3533785F3C20E9D9C16BA4421169E84D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases_41C424F48CE550756891A4421169C5A9" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_AF2B24DD532DDCBD1DDAA4421169FEA1" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases_41C424F48CE550756891A4421169C5A9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements_DD09D2AD822F599191F5A442116A73E3" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_AF2B24DD532DDCBD1DDAA4421169FEA1" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements_DD09D2AD822F599191F5A442116A73E3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss_64A9DCD2CF8D83BF6C12A442116AA2C2" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_AF2B24DD532DDCBD1DDAA4421169FEA1" xlink:to="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss_64A9DCD2CF8D83BF6C12A442116AA2C2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue_01CA32057AF7C071C14DA442116AECCE" xlink:type="locator" />
    <link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_AF2B24DD532DDCBD1DDAA4421169FEA1" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue_01CA32057AF7C071C14DA442116AECCE" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.liquidityservices.com/role/FairValueMeasurementNarrativeDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueDisclosuresAbstract" xlink:label="loc_us-gaap_FairValueDisclosuresAbstract_9F28F81318B229468AAFA4421164EC90" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_000954221F92F2326F3FA442116430EE" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosuresAbstract_9F28F81318B229468AAFA4421164EC90" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_000954221F92F2326F3FA442116430EE" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueByMeasurementFrequencyAxis" xlink:label="loc_us-gaap_FairValueByMeasurementFrequencyAxis_39080E810B9F878A4843A442116468D9" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_000954221F92F2326F3FA442116430EE" xlink:to="loc_us-gaap_FairValueByMeasurementFrequencyAxis_39080E810B9F878A4843A442116468D9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueMeasurementFrequencyDomain" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_94CDC66D8C94297F3A53A4421164B18E" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_39080E810B9F878A4843A442116468D9" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_94CDC66D8C94297F3A53A4421164B18E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueMeasurementsRecurringMember" xlink:label="loc_us-gaap_FairValueMeasurementsRecurringMember_CDCFDAB34951DC351BF1A442116414AB" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementFrequencyDomain_94CDC66D8C94297F3A53A4421164B18E" xlink:to="loc_us-gaap_FairValueMeasurementsRecurringMember_CDCFDAB34951DC351BF1A442116414AB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_77F4F36D7CBC2E9FBBE2A44211641D08" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_000954221F92F2326F3FA442116430EE" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_77F4F36D7CBC2E9FBBE2A44211641D08" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_DC2E00BAD4FA6E065A3BA4421164A100" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_77F4F36D7CBC2E9FBBE2A44211641D08" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_DC2E00BAD4FA6E065A3BA4421164A100" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueInputsLevel1Member" xlink:label="loc_us-gaap_FairValueInputsLevel1Member_0BF946917B4BCE4236ABA442116418CC" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_DC2E00BAD4FA6E065A3BA4421164A100" xlink:to="loc_us-gaap_FairValueInputsLevel1Member_0BF946917B4BCE4236ABA442116418CC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueInputsLevel2Member" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_A317B2AA80785DA7671CA4421164D8BA" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_DC2E00BAD4FA6E065A3BA4421164A100" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_A317B2AA80785DA7671CA4421164D8BA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_C9D444C67E2B813F068AA442116569E6" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_000954221F92F2326F3FA442116430EE" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_C9D444C67E2B813F068AA442116569E6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AssetsFairValueDisclosure" xlink:label="loc_us-gaap_AssetsFairValueDisclosure_B095B8299A4DFF5622ADA44211654E37" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_C9D444C67E2B813F068AA442116569E6" xlink:to="loc_us-gaap_AssetsFairValueDisclosure_B095B8299A4DFF5622ADA44211654E37" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LiabilitiesFairValueDisclosure" xlink:label="loc_us-gaap_LiabilitiesFairValueDisclosure_CBB6BE6199F56A91FE9FA4421165B499" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_C9D444C67E2B813F068AA442116569E6" xlink:to="loc_us-gaap_LiabilitiesFairValueDisclosure_CBB6BE6199F56A91FE9FA4421165B499" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1_BC6B145DA28D391AC8D4A4421165B1E5" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_C9D444C67E2B813F068AA442116569E6" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1_BC6B145DA28D391AC8D4A4421165B1E5" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.liquidityservices.com/role/FairValueMeasurementTables" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueDisclosuresAbstract" xlink:label="loc_us-gaap_FairValueDisclosuresAbstract_8C174730896CD3C65FDD9E55402BEE03" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock_E2F228AAE4BFFBA533359E55402B4D82" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosuresAbstract_8C174730896CD3C65FDD9E55402BEE03" xlink:to="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock_E2F228AAE4BFFBA533359E55402B4D82" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.liquidityservices.com/role/Goodwill" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract" xlink:label="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_4FD5DB49F8EC386C9A5B9E5540B0BD5B" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_GoodwillDisclosureTextBlock" xlink:label="loc_us-gaap_GoodwillDisclosureTextBlock_22F867E3A8BD59D6EF349E5540B0F4E4" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_4FD5DB49F8EC386C9A5B9E5540B0BD5B" xlink:to="loc_us-gaap_GoodwillDisclosureTextBlock_22F867E3A8BD59D6EF349E5540B0F4E4" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.liquidityservices.com/role/GoodwillDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract" xlink:label="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_67E25B419BAE460D5B1EA44211C29DBB" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_2E098DBD0CE328A9F085A44211C342E2" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_67E25B419BAE460D5B1EA44211C29DBB" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_2E098DBD0CE328A9F085A44211C342E2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_FDE463093DA81D15F6FEA44211C321D0" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_2E098DBD0CE328A9F085A44211C342E2" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_FDE463093DA81D15F6FEA44211C321D0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_F46CEF05FCEE5B71EAEFA44211C3EC10" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_FDE463093DA81D15F6FEA44211C321D0" xlink:to="loc_us-gaap_SegmentDomain_F46CEF05FCEE5B71EAEFA44211C3EC10" xlink:type="arc" />
    <link:loc xlink:href="lqdt-20170630.xsd#lqdt_CAGMember" xlink:label="loc_lqdt_CAGMember_DEAB8CD5307E86235944A44211C31FC6" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_F46CEF05FCEE5B71EAEFA44211C3EC10" xlink:to="loc_lqdt_CAGMember_DEAB8CD5307E86235944A44211C31FC6" xlink:type="arc" />
    <link:loc xlink:href="lqdt-20170630.xsd#lqdt_GovDealsMember" xlink:label="loc_lqdt_GovDealsMember_4322B00AC0F4A7F6D4C5A4736516405D" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_F46CEF05FCEE5B71EAEFA44211C3EC10" xlink:to="loc_lqdt_GovDealsMember_4322B00AC0F4A7F6D4C5A4736516405D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SegmentReportingInformationLineItems" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_1B4E5F55D971E3AD4BB5A44211C3CB4F" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_2E098DBD0CE328A9F085A44211C342E2" xlink:to="loc_us-gaap_SegmentReportingInformationLineItems_1B4E5F55D971E3AD4BB5A44211C3CB4F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_GoodwillRollForward" xlink:label="loc_us-gaap_GoodwillRollForward_D7AD9FC1163264BC3095A44211C4EB4A" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_1B4E5F55D971E3AD4BB5A44211C3CB4F" xlink:to="loc_us-gaap_GoodwillRollForward_D7AD9FC1163264BC3095A44211C4EB4A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_E350B0793CF8F42DAB5DA44211C480BE" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillRollForward_D7AD9FC1163264BC3095A44211C4EB4A" xlink:to="loc_us-gaap_Goodwill_E350B0793CF8F42DAB5DA44211C480BE" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_GoodwillForeignCurrencyTranslationGainLoss" xlink:label="loc_us-gaap_GoodwillForeignCurrencyTranslationGainLoss_CEA4321C64B177B7FD3DA44211C473FB" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillRollForward_D7AD9FC1163264BC3095A44211C4EB4A" xlink:to="loc_us-gaap_GoodwillForeignCurrencyTranslationGainLoss_CEA4321C64B177B7FD3DA44211C473FB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_0EF89DBD0ABD695C8E4AA44211C4CA81" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillRollForward_D7AD9FC1163264BC3095A44211C4EB4A" xlink:to="loc_us-gaap_Goodwill_0EF89DBD0ABD695C8E4AA44211C4CA81" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.liquidityservices.com/role/GoodwillNarrativeDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract" xlink:label="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_DC6B4114C9572B8C183BA44211BFC6E0" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_GoodwillImpairmentLoss" xlink:label="loc_us-gaap_GoodwillImpairmentLoss_4758F0119957B0E60305A44211BF5E27" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_DC6B4114C9572B8C183BA44211BFC6E0" xlink:to="loc_us-gaap_GoodwillImpairmentLoss_4758F0119957B0E60305A44211BF5E27" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.liquidityservices.com/role/GoodwillTables" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract" xlink:label="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_9A0A0CC37289834C05329E5540ACC0F3" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfGoodwillTextBlock" xlink:label="loc_us-gaap_ScheduleOfGoodwillTextBlock_CC3B9A9319AE9B2CC5489E5540AC0D0D" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_9A0A0CC37289834C05329E5540ACC0F3" xlink:to="loc_us-gaap_ScheduleOfGoodwillTextBlock_CC3B9A9319AE9B2CC5489E5540AC0D0D" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.liquidityservices.com/role/Guarantees" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_GuaranteesAbstract" xlink:label="loc_us-gaap_GuaranteesAbstract_E6147D6D42EC8E24620A9E5541306915" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_GuaranteesTextBlock" xlink:label="loc_us-gaap_GuaranteesTextBlock_2F6B1AE2C1C7E59986F69E554130DF59" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GuaranteesAbstract_E6147D6D42EC8E24620A9E5541306915" xlink:to="loc_us-gaap_GuaranteesTextBlock_2F6B1AE2C1C7E59986F69E554130DF59" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.liquidityservices.com/role/GuaranteesDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_GuaranteesAbstract" xlink:label="loc_us-gaap_GuaranteesAbstract_8F935FEAEA655B3BDAE6A44211583A75" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_GuaranteeObligationsCurrentCarryingValue" xlink:label="loc_us-gaap_GuaranteeObligationsCurrentCarryingValue_A6FD9F90FF18065C5E36A44211587AE3" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GuaranteesAbstract_8F935FEAEA655B3BDAE6A44211583A75" xlink:to="loc_us-gaap_GuaranteeObligationsCurrentCarryingValue_A6FD9F90FF18065C5E36A44211587AE3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DefinedBenefitPlanFundedStatusOfPlan" xlink:label="loc_us-gaap_DefinedBenefitPlanFundedStatusOfPlan_CF4D107C5899FACF1548A44211589667" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GuaranteesAbstract_8F935FEAEA655B3BDAE6A44211583A75" xlink:to="loc_us-gaap_DefinedBenefitPlanFundedStatusOfPlan_CF4D107C5899FACF1548A44211589667" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.liquidityservices.com/role/IncomeTaxes" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract" xlink:label="loc_us-gaap_IncomeTaxDisclosureAbstract_AC575FFBD575B86E29269E5540B62B25" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeTaxDisclosureTextBlock" xlink:label="loc_us-gaap_IncomeTaxDisclosureTextBlock_28ECDDFFAFA73E4A50369E5540B761A3" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_AC575FFBD575B86E29269E5540B62B25" xlink:to="loc_us-gaap_IncomeTaxDisclosureTextBlock_28ECDDFFAFA73E4A50369E5540B761A3" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.liquidityservices.com/role/IncomeTaxesDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract" xlink:label="loc_us-gaap_IncomeTaxDisclosureAbstract_13580E8ED6ABB3C822479E55412215F0" xlink:type="locator" />
    <link:loc xlink:href="lqdt-20170630.xsd#lqdt_EstimatedEffectiveIncomeTaxRateContinuingOperations" xlink:label="loc_lqdt_EstimatedEffectiveIncomeTaxRateContinuingOperations_0880790F094DA08498DD9E554122B945" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_13580E8ED6ABB3C822479E55412215F0" xlink:to="loc_lqdt_EstimatedEffectiveIncomeTaxRateContinuingOperations_0880790F094DA08498DD9E554122B945" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TaxAdjustmentsSettlementsAndUnusualProvisions" xlink:label="loc_us-gaap_TaxAdjustmentsSettlementsAndUnusualProvisions_587570E9FCDB9AAABA6D9E554122C8C4" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_13580E8ED6ABB3C822479E55412215F0" xlink:to="loc_us-gaap_TaxAdjustmentsSettlementsAndUnusualProvisions_587570E9FCDB9AAABA6D9E554122C8C4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsPeriodIncreaseDecrease" xlink:label="loc_us-gaap_UnrecognizedTaxBenefitsPeriodIncreaseDecrease_E51A2B75CE6039F685209E554122E5C0" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_13580E8ED6ABB3C822479E55412215F0" xlink:to="loc_us-gaap_UnrecognizedTaxBenefitsPeriodIncreaseDecrease_E51A2B75CE6039F685209E554122E5C0" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.liquidityservices.com/role/IntangibleAssets" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsNetAbstract" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNetAbstract_E3041CB5815928F94B819E554129670D" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IntangibleAssetsDisclosureTextBlock" xlink:label="loc_us-gaap_IntangibleAssetsDisclosureTextBlock_9A64A5660FF7DA38B1FB9E55412946FA" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNetAbstract_E3041CB5815928F94B819E554129670D" xlink:to="loc_us-gaap_IntangibleAssetsDisclosureTextBlock_9A64A5660FF7DA38B1FB9E55412946FA" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.liquidityservices.com/role/IntangibleAssetsAmortizationDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsNetAbstract" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNetAbstract_D605EF1D40FD2A41A2989E55412E4C9C" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract_89D50A207F72E1F13E499E55412EDADC" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNetAbstract_D605EF1D40FD2A41A2989E55412E4C9C" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract_89D50A207F72E1F13E499E55412EDADC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear_8247B5C0429AE36931779E55412E0BAA" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract_89D50A207F72E1F13E499E55412EDADC" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear_8247B5C0429AE36931779E55412E0BAA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_872614080521C1CC2FE39E55412E245E" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract_89D50A207F72E1F13E499E55412EDADC" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_872614080521C1CC2FE39E55412E245E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_45A5E4FC71BA0120D5EB9E55412EB8F8" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract_89D50A207F72E1F13E499E55412EDADC" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_45A5E4FC71BA0120D5EB9E55412EB8F8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_EE65B9A23FB8F2AED4109E55412E8F61" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract_89D50A207F72E1F13E499E55412EDADC" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_EE65B9A23FB8F2AED4109E55412E8F61" xlink:type="arc" />
    <link:loc xlink:href="lqdt-20170630.xsd#lqdt_FiniteLivedIntangibleAssetsAmortizationExpenseYearFiveAndThereafter" xlink:label="loc_lqdt_FiniteLivedIntangibleAssetsAmortizationExpenseYearFiveAndThereafter_28416C0E1AD969DCEB2D9E55412E5C80" xlink:type="locator" />
    <link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract_89D50A207F72E1F13E499E55412EDADC" xlink:to="loc_lqdt_FiniteLivedIntangibleAssetsAmortizationExpenseYearFiveAndThereafter_28416C0E1AD969DCEB2D9E55412E5C80" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_D7B83A2C22D1D29EFBDB9E55412E8391" xlink:type="locator" />
    <link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract_89D50A207F72E1F13E499E55412EDADC" xlink:to="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_D7B83A2C22D1D29EFBDB9E55412E8391" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.liquidityservices.com/role/IntangibleAssetsCarryingAmountDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsNetAbstract" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNetAbstract_DEA70163746AFDBDBFC5A44211B6430A" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" xlink:label="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_339B2194E7F2D8B9F513A44211B66273" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNetAbstract_DEA70163746AFDBDBFC5A44211B6430A" xlink:to="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_339B2194E7F2D8B9F513A44211B66273" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RangeAxis" xlink:label="loc_us-gaap_RangeAxis_FB1C7DC7EF4784C89CDBA44211B7703B" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_339B2194E7F2D8B9F513A44211B66273" xlink:to="loc_us-gaap_RangeAxis_FB1C7DC7EF4784C89CDBA44211B7703B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_0AAD9D026D509C109977A44211B7CEFE" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RangeAxis_FB1C7DC7EF4784C89CDBA44211B7703B" xlink:to="loc_us-gaap_RangeMember_0AAD9D026D509C109977A44211B7CEFE" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_MinimumMember" xlink:label="loc_us-gaap_MinimumMember_6A974049F036628F0C44A44211B75CB7" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RangeMember_0AAD9D026D509C109977A44211B7CEFE" xlink:to="loc_us-gaap_MinimumMember_6A974049F036628F0C44A44211B75CB7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_MaximumMember" xlink:label="loc_us-gaap_MaximumMember_61E01FCA9AFB4F7B2465A44211B8A6AC" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RangeMember_0AAD9D026D509C109977A44211B7CEFE" xlink:to="loc_us-gaap_MaximumMember_61E01FCA9AFB4F7B2465A44211B8A6AC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_B7AB8EA3B9D36803E6AEA44211B6D432" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_339B2194E7F2D8B9F513A44211B66273" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_B7AB8EA3B9D36803E6AEA44211B6D432" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_B19D038A16B801ACDB7FA44211B67E09" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_B7AB8EA3B9D36803E6AEA44211B6D432" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_B19D038A16B801ACDB7FA44211B67E09" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ContractualRightsMember" xlink:label="loc_us-gaap_ContractualRightsMember_2ABF03270405B04AF735A44211B608D0" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_B19D038A16B801ACDB7FA44211B67E09" xlink:to="loc_us-gaap_ContractualRightsMember_2ABF03270405B04AF735A44211B608D0" xlink:type="arc" />
    <link:loc xlink:href="lqdt-20170630.xsd#lqdt_BrandAssetsAndDevelopedTechnologyRightsMember" xlink:label="loc_lqdt_BrandAssetsAndDevelopedTechnologyRightsMember_40572B0F7B8962B0B3EDA44211B7FEB8" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_B19D038A16B801ACDB7FA44211B67E09" xlink:to="loc_lqdt_BrandAssetsAndDevelopedTechnologyRightsMember_40572B0F7B8962B0B3EDA44211B7FEB8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NoncompeteAgreementsMember" xlink:label="loc_us-gaap_NoncompeteAgreementsMember_4CB10601E1BC97556E89A44211B74DA0" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_B19D038A16B801ACDB7FA44211B67E09" xlink:to="loc_us-gaap_NoncompeteAgreementsMember_4CB10601E1BC97556E89A44211B74DA0" xlink:type="arc" />
    <link:loc xlink:href="lqdt-20170630.xsd#lqdt_PatentsAndTrademarksMember" xlink:label="loc_lqdt_PatentsAndTrademarksMember_3CA4586E565F38884C10A44211B78652" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_B19D038A16B801ACDB7FA44211B67E09" xlink:to="loc_lqdt_PatentsAndTrademarksMember_3CA4586E565F38884C10A44211B78652" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_3680B6FA8CBD7FCEF624A44211B806AB" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_339B2194E7F2D8B9F513A44211B66273" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_3680B6FA8CBD7FCEF624A44211B806AB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetUsefulLife" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetUsefulLife_922C7DE7927711128E32A44211B8E602" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_3680B6FA8CBD7FCEF624A44211B806AB" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetUsefulLife_922C7DE7927711128E32A44211B8E602" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsGross" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_DD05E7FA7D9392EE5937A44211B83C2B" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_3680B6FA8CBD7FCEF624A44211B806AB" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsGross_DD05E7FA7D9392EE5937A44211B83C2B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_DFB973214807EAF9251FA44211B85EB2" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_3680B6FA8CBD7FCEF624A44211B806AB" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_DFB973214807EAF9251FA44211B85EB2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_4A0B704DEA1DBF6EDE2AA44211B8DBFF" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_3680B6FA8CBD7FCEF624A44211B806AB" xlink:to="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_4A0B704DEA1DBF6EDE2AA44211B8DBFF" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.liquidityservices.com/role/IntangibleAssetsNarrativeDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsNetAbstract" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNetAbstract_E2604D6421DA8E7F481F9E5540C93C72" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" xlink:label="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_A6BE3345008BB88E01169E5540C974B8" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNetAbstract_E2604D6421DA8E7F481F9E5540C93C72" xlink:to="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_A6BE3345008BB88E01169E5540C974B8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_87DC9EAEDE24C86926059E5540C9262C" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_A6BE3345008BB88E01169E5540C974B8" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_87DC9EAEDE24C86926059E5540C9262C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_B9B43CA97B5289BF548E9E5540C99F41" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_87DC9EAEDE24C86926059E5540C9262C" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_B9B43CA97B5289BF548E9E5540C99F41" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ContractualRightsMember" xlink:label="loc_us-gaap_ContractualRightsMember_9493109FE53C67DA4AB59E5540C90511" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_B9B43CA97B5289BF548E9E5540C99F41" xlink:to="loc_us-gaap_ContractualRightsMember_9493109FE53C67DA4AB59E5540C90511" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NoncompeteAgreementsMember" xlink:label="loc_us-gaap_NoncompeteAgreementsMember_5888F464820558A553829E5540C998D4" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_B9B43CA97B5289BF548E9E5540C99F41" xlink:to="loc_us-gaap_NoncompeteAgreementsMember_5888F464820558A553829E5540C998D4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_1FDF006FF9968A255A0D9E5540CA0DB3" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_A6BE3345008BB88E01169E5540C974B8" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_1FDF006FF9968A255A0D9E5540CA0DB3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain" xlink:label="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_50FCA58D969049C48D809E5540CA99CB" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_1FDF006FF9968A255A0D9E5540CA0DB3" xlink:to="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_50FCA58D969049C48D809E5540CA99CB" xlink:type="arc" />
    <link:loc xlink:href="lqdt-20170630.xsd#lqdt_TruckCenterMember" xlink:label="loc_lqdt_TruckCenterMember_FD0340249777D27645349E5540CA03CF" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_50FCA58D969049C48D809E5540CA99CB" xlink:to="loc_lqdt_TruckCenterMember_FD0340249777D27645349E5540CA03CF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_368BBB9FF70EC85165219E5540CAF31D" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_A6BE3345008BB88E01169E5540C974B8" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_368BBB9FF70EC85165219E5540CAF31D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AmortizationOfIntangibleAssets" xlink:label="loc_us-gaap_AmortizationOfIntangibleAssets_86019615107BB86B0B599E5540CAB443" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_368BBB9FF70EC85165219E5540CAF31D" xlink:to="loc_us-gaap_AmortizationOfIntangibleAssets_86019615107BB86B0B599E5540CAB443" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ImpairmentOfIntangibleAssetsFinitelived" xlink:label="loc_us-gaap_ImpairmentOfIntangibleAssetsFinitelived_14B78CC0FB6B46B0D4DA9E5540CA1B13" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_368BBB9FF70EC85165219E5540CAF31D" xlink:to="loc_us-gaap_ImpairmentOfIntangibleAssetsFinitelived_14B78CC0FB6B46B0D4DA9E5540CA1B13" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsNet" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_CFD4D64068BFF1BDECF89E5540CAED73" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_368BBB9FF70EC85165219E5540CAF31D" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsNet_CFD4D64068BFF1BDECF89E5540CAED73" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.liquidityservices.com/role/IntangibleAssetsTables" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsNetAbstract" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNetAbstract_540047BE93388B8D08A99E554093E2A8" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock_8CCCE7D2CB7E7C1E35559E55409346D8" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNetAbstract_540047BE93388B8D08A99E554093E2A8" xlink:to="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock_8CCCE7D2CB7E7C1E35559E55409346D8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock" xlink:label="loc_us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock_F0A82CBE4BDB65CC37C69E554093C62E" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNetAbstract_540047BE93388B8D08A99E554093E2A8" xlink:to="loc_us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock_F0A82CBE4BDB65CC37C69E554093C62E" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.liquidityservices.com/role/LegalProceedings" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:label="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_7482DE006943C2E53E839E5540BD2979" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LegalMattersAndContingenciesTextBlock" xlink:label="loc_us-gaap_LegalMattersAndContingenciesTextBlock_80C20820F4AD4597F5F49E5540BD5E45" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_7482DE006943C2E53E839E5540BD2979" xlink:to="loc_us-gaap_LegalMattersAndContingenciesTextBlock_80C20820F4AD4597F5F49E5540BD5E45" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.liquidityservices.com/role/Organization" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract" xlink:label="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_142B78FFE07460008FFE9E55411C1E44" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NatureOfOperations" xlink:label="loc_us-gaap_NatureOfOperations_990B8CF824FB49B5E5729E55411CA387" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_142B78FFE07460008FFE9E55411C1E44" xlink:to="loc_us-gaap_NatureOfOperations_990B8CF824FB49B5E5729E55411CA387" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.liquidityservices.com/role/OrganizationDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract" xlink:label="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_7D98C6B737A64DC49AF49F9555BFE6EE" xlink:type="locator" />
    <link:loc xlink:href="lqdt-20170630.xsd#lqdt_NumberOfProductCategoriesOfferedMinimum" xlink:label="loc_lqdt_NumberOfProductCategoriesOfferedMinimum_E9CB39909B170FC9A8799F9555BF7B15" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_7D98C6B737A64DC49AF49F9555BFE6EE" xlink:to="loc_lqdt_NumberOfProductCategoriesOfferedMinimum_E9CB39909B170FC9A8799F9555BF7B15" xlink:type="arc" />
    <link:loc xlink:href="lqdt-20170630.xsd#lqdt_NumberOfClients" xlink:label="loc_lqdt_NumberOfClients_F4A5061A5E503A44F9199F9555BF7E7B" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_7D98C6B737A64DC49AF49F9555BFE6EE" xlink:to="loc_lqdt_NumberOfClients_F4A5061A5E503A44F9199F9555BF7E7B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NumberOfReportableSegments" xlink:label="loc_us-gaap_NumberOfReportableSegments_A0E5DD1A40F1575202089F9555BF59D4" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_7D98C6B737A64DC49AF49F9555BFE6EE" xlink:to="loc_us-gaap_NumberOfReportableSegments_A0E5DD1A40F1575202089F9555BF59D4" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.liquidityservices.com/role/SegmentInformationDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SegmentReportingAbstract" xlink:label="loc_us-gaap_SegmentReportingAbstract_F704130076E15B3409EAA4F828AAB48C" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_15DE8C8EC830B6EF7A3EA4F828AA8757" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingAbstract_F704130076E15B3409EAA4F828AAB48C" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_15DE8C8EC830B6EF7A3EA4F828AA8757" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ConsolidationItemsAxis" xlink:label="loc_us-gaap_ConsolidationItemsAxis_F17B61471593BD2AD61BA4F828AA6F21" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_15DE8C8EC830B6EF7A3EA4F828AA8757" xlink:to="loc_us-gaap_ConsolidationItemsAxis_F17B61471593BD2AD61BA4F828AA6F21" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ConsolidationItemsDomain" xlink:label="loc_us-gaap_ConsolidationItemsDomain_7A408A31011C593D5164A4F828AA5083" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ConsolidationItemsAxis_F17B61471593BD2AD61BA4F828AA6F21" xlink:to="loc_us-gaap_ConsolidationItemsDomain_7A408A31011C593D5164A4F828AA5083" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OperatingSegmentsMember" xlink:label="loc_us-gaap_OperatingSegmentsMember_64D9720D1940C5C55320A4F828AAE000" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ConsolidationItemsDomain_7A408A31011C593D5164A4F828AA5083" xlink:to="loc_us-gaap_OperatingSegmentsMember_64D9720D1940C5C55320A4F828AAE000" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CorporateNonSegmentMember" xlink:label="loc_us-gaap_CorporateNonSegmentMember_CC6F9874D6B3615B0CF7A4FDD8D7B070" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ConsolidationItemsDomain_7A408A31011C593D5164A4F828AA5083" xlink:to="loc_us-gaap_CorporateNonSegmentMember_CC6F9874D6B3615B0CF7A4FDD8D7B070" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_MaterialReconcilingItemsMember" xlink:label="loc_us-gaap_MaterialReconcilingItemsMember_8AE4C27D66B0C82629AAA4F828AA2EDB" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ConsolidationItemsDomain_7A408A31011C593D5164A4F828AA5083" xlink:to="loc_us-gaap_MaterialReconcilingItemsMember_8AE4C27D66B0C82629AAA4F828AA2EDB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_FC803346C202B202C42EA4F828AA632D" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_15DE8C8EC830B6EF7A3EA4F828AA8757" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_FC803346C202B202C42EA4F828AA632D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_D339FA2C83180FED1319A4F828AADB0E" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_FC803346C202B202C42EA4F828AA632D" xlink:to="loc_us-gaap_SegmentDomain_D339FA2C83180FED1319A4F828AADB0E" xlink:type="arc" />
    <link:loc xlink:href="lqdt-20170630.xsd#lqdt_GovDealsMember" xlink:label="loc_lqdt_GovDealsMember_DDEE13DC000432771F1DA4F828AA73C6" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_D339FA2C83180FED1319A4F828AADB0E" xlink:to="loc_lqdt_GovDealsMember_DDEE13DC000432771F1DA4F828AA73C6" xlink:type="arc" />
    <link:loc xlink:href="lqdt-20170630.xsd#lqdt_CAGMember" xlink:label="loc_lqdt_CAGMember_082D6CD9444AA0C8315EA4F828AA63DF" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_D339FA2C83180FED1319A4F828AADB0E" xlink:to="loc_lqdt_CAGMember_082D6CD9444AA0C8315EA4F828AA63DF" xlink:type="arc" />
    <link:loc xlink:href="lqdt-20170630.xsd#lqdt_RSCGMember" xlink:label="loc_lqdt_RSCGMember_E90E8A9A934E85196B42A4F828AA468B" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_D339FA2C83180FED1319A4F828AADB0E" xlink:to="loc_lqdt_RSCGMember_E90E8A9A934E85196B42A4F828AA468B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SegmentReportingInformationLineItems" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_EA80375B99539846ED68A4F828AAF04D" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_15DE8C8EC830B6EF7A3EA4F828AA8757" xlink:to="loc_us-gaap_SegmentReportingInformationLineItems_EA80375B99539846ED68A4F828AAF04D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SalesRevenueNet" xlink:label="loc_us-gaap_SalesRevenueNet_B9CB456980F806A73B0DA4F828AAD7E0" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_EA80375B99539846ED68A4F828AAF04D" xlink:to="loc_us-gaap_SalesRevenueNet_B9CB456980F806A73B0DA4F828AAD7E0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_GrossProfit" xlink:label="loc_us-gaap_GrossProfit_8F5356272AEB37F589A5A4F828AA8DA5" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_EA80375B99539846ED68A4F828AAF04D" xlink:to="loc_us-gaap_GrossProfit_8F5356272AEB37F589A5A4F828AA8DA5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OperatingExpenses" xlink:label="loc_us-gaap_OperatingExpenses_7A395A561CB8516D33CDA4F828AA7539" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_EA80375B99539846ED68A4F828AAF04D" xlink:to="loc_us-gaap_OperatingExpenses_7A395A561CB8516D33CDA4F828AA7539" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DepreciationDepletionAndAmortization" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_899770C9245B01C35B7BA4F828AA52A4" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_EA80375B99539846ED68A4F828AAF04D" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization_899770C9245B01C35B7BA4F828AA52A4" xlink:type="arc" />
    <link:loc xlink:href="lqdt-20170630.xsd#lqdt_AcquisitionCostsAndGoodwillImpairment" xlink:label="loc_lqdt_AcquisitionCostsAndGoodwillImpairment_745E351A0F2A209EF782A4F828AAC55B" xlink:type="locator" />
    <link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_EA80375B99539846ED68A4F828AAF04D" xlink:to="loc_lqdt_AcquisitionCostsAndGoodwillImpairment_745E351A0F2A209EF782A4F828AAC55B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RestructuringCosts" xlink:label="loc_us-gaap_RestructuringCosts_F6E53AAC785B7A89DF9AA4F828AA502A" xlink:type="locator" />
    <link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_EA80375B99539846ED68A4F828AAF04D" xlink:to="loc_us-gaap_RestructuringCosts_F6E53AAC785B7A89DF9AA4F828AA502A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InterestIncomeExpenseNet" xlink:label="loc_us-gaap_InterestIncomeExpenseNet_3516D46B0151A634FE1DA4F828AA9346" xlink:type="locator" />
    <link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_EA80375B99539846ED68A4F828AAF04D" xlink:to="loc_us-gaap_InterestIncomeExpenseNet_3516D46B0151A634FE1DA4F828AA9346" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_B177BB7F744FAADEABEFA4F828AA9410" xlink:type="locator" />
    <link:presentationArc order="8" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_EA80375B99539846ED68A4F828AAF04D" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_B177BB7F744FAADEABEFA4F828AA9410" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" xlink:label="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_4F54DE555B713F61E886A4F828AA6EFE" xlink:type="locator" />
    <link:presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_EA80375B99539846ED68A4F828AAF04D" xlink:to="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_4F54DE555B713F61E886A4F828AA6EFE" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Assets" xlink:label="loc_us-gaap_Assets_4BB72773BF5728AB710FA4F828AA6DE1" xlink:type="locator" />
    <link:presentationArc order="10" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_EA80375B99539846ED68A4F828AAF04D" xlink:to="loc_us-gaap_Assets_4BB72773BF5728AB710FA4F828AA6DE1" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.liquidityservices.com/role/SegmentInformationNarrativeDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SegmentReportingAbstract" xlink:label="loc_us-gaap_SegmentReportingAbstract_39161374B8A40A3D9980A4421141DCAA" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NumberOfReportableSegments" xlink:label="loc_us-gaap_NumberOfReportableSegments_DA2719C5694C55BCFFF5A4421141689A" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingAbstract_39161374B8A40A3D9980A4421141DCAA" xlink:to="loc_us-gaap_NumberOfReportableSegments_DA2719C5694C55BCFFF5A4421141689A" xlink:type="arc" />
    <link:loc xlink:href="lqdt-20170630.xsd#lqdt_ReportableSegmentsPercentageofRevenue" xlink:label="loc_lqdt_ReportableSegmentsPercentageofRevenue_3D46699C3E5E51B2D98EA4421141968A" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingAbstract_39161374B8A40A3D9980A4421141DCAA" xlink:to="loc_lqdt_ReportableSegmentsPercentageofRevenue_3D46699C3E5E51B2D98EA4421141968A" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.liquidityservices.com/role/SegmentInformationSegmentInformation" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SegmentReportingAbstract" xlink:label="loc_us-gaap_SegmentReportingAbstract_BE8041BF9B555F3AB6AF9E5540FBDC86" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SegmentReportingDisclosureTextBlock" xlink:label="loc_us-gaap_SegmentReportingDisclosureTextBlock_012BB993965413F24EB49E5540FBC7BE" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingAbstract_BE8041BF9B555F3AB6AF9E5540FBDC86" xlink:to="loc_us-gaap_SegmentReportingDisclosureTextBlock_012BB993965413F24EB49E5540FBC7BE" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.liquidityservices.com/role/SegmentInformationTables" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SegmentReportingAbstract" xlink:label="loc_us-gaap_SegmentReportingAbstract_F2A554CB0CF9421060EF9E554097961C" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_21EDE8B3DB265FA54D5F9E5540970C72" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingAbstract_F2A554CB0CF9421060EF9E554097961C" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_21EDE8B3DB265FA54D5F9E5540970C72" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.liquidityservices.com/role/SignificantContracts" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ContractorsAbstract" xlink:label="loc_us-gaap_ContractorsAbstract_1AEA04C1BCEF3A78EBE19E554037CA33" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LongTermContractsOrProgramsDisclosureTextBlock" xlink:label="loc_us-gaap_LongTermContractsOrProgramsDisclosureTextBlock_B81397128F78AD8C3A8E9E5540377CF0" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ContractorsAbstract_1AEA04C1BCEF3A78EBE19E554037CA33" xlink:to="loc_us-gaap_LongTermContractsOrProgramsDisclosureTextBlock_B81397128F78AD8C3A8E9E5540377CF0" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.liquidityservices.com/role/SignificantContractsDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ContractorsAbstract" xlink:label="loc_us-gaap_ContractorsAbstract_8AFF597BD3280DE81D1CA44211CE2CEC" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfCollaborativeArrangementsAndNoncollaborativeArrangementTransactionsTable" xlink:label="loc_us-gaap_ScheduleOfCollaborativeArrangementsAndNoncollaborativeArrangementTransactionsTable_CF29DC975BA4F13A32CAA44211CE02A9" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ContractorsAbstract_8AFF597BD3280DE81D1CA44211CE2CEC" xlink:to="loc_us-gaap_ScheduleOfCollaborativeArrangementsAndNoncollaborativeArrangementTransactionsTable_CF29DC975BA4F13A32CAA44211CE02A9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TypeOfArrangementAxis" xlink:label="loc_us-gaap_TypeOfArrangementAxis_0EF4C681BD0193D59BB8A44211CEA58D" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfCollaborativeArrangementsAndNoncollaborativeArrangementTransactionsTable_CF29DC975BA4F13A32CAA44211CE02A9" xlink:to="loc_us-gaap_TypeOfArrangementAxis_0EF4C681BD0193D59BB8A44211CEA58D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ArrangementsAndNonarrangementTransactionsMember" xlink:label="loc_us-gaap_ArrangementsAndNonarrangementTransactionsMember_8415CF3BBC4B80E9D436A44211CF714B" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TypeOfArrangementAxis_0EF4C681BD0193D59BB8A44211CEA58D" xlink:to="loc_us-gaap_ArrangementsAndNonarrangementTransactionsMember_8415CF3BBC4B80E9D436A44211CF714B" xlink:type="arc" />
    <link:loc xlink:href="lqdt-20170630.xsd#lqdt_SurplusContractMember" xlink:label="loc_lqdt_SurplusContractMember_774E8332A10DF6DFBD6DA44211CFD613" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ArrangementsAndNonarrangementTransactionsMember_8415CF3BBC4B80E9D436A44211CF714B" xlink:to="loc_lqdt_SurplusContractMember_774E8332A10DF6DFBD6DA44211CFD613" xlink:type="arc" />
    <link:loc xlink:href="lqdt-20170630.xsd#lqdt_ScrapContractMember" xlink:label="loc_lqdt_ScrapContractMember_B3B02C97F9996CB6AD09A44211CF3E3A" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ArrangementsAndNonarrangementTransactionsMember_8415CF3BBC4B80E9D436A44211CF714B" xlink:to="loc_lqdt_ScrapContractMember_B3B02C97F9996CB6AD09A44211CF3E3A" xlink:type="arc" />
    <link:loc xlink:href="lqdt-20170630.xsd#lqdt_CommercialClientMember" xlink:label="loc_lqdt_CommercialClientMember_F3DB4F1EDD398E49441AA44211CFE5D4" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ArrangementsAndNonarrangementTransactionsMember_8415CF3BBC4B80E9D436A44211CF714B" xlink:to="loc_lqdt_CommercialClientMember_F3DB4F1EDD398E49441AA44211CFE5D4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProductOrServiceAxis" xlink:label="loc_us-gaap_ProductOrServiceAxis_887711A8FD430C717E2BA44211CFD0FB" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfCollaborativeArrangementsAndNoncollaborativeArrangementTransactionsTable_CF29DC975BA4F13A32CAA44211CE02A9" xlink:to="loc_us-gaap_ProductOrServiceAxis_887711A8FD430C717E2BA44211CFD0FB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProductsAndServicesDomain" xlink:label="loc_us-gaap_ProductsAndServicesDomain_0153AEDA6FAE188C1130A44211CF4A8D" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ProductOrServiceAxis_887711A8FD430C717E2BA44211CFD0FB" xlink:to="loc_us-gaap_ProductsAndServicesDomain_0153AEDA6FAE188C1130A44211CF4A8D" xlink:type="arc" />
    <link:loc xlink:href="lqdt-20170630.xsd#lqdt_NonrollingStockSurplusContractMember" xlink:label="loc_lqdt_NonrollingStockSurplusContractMember_0FFB06BD15CB3AE8E0E9A44211CF59D4" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ProductsAndServicesDomain_0153AEDA6FAE188C1130A44211CF4A8D" xlink:to="loc_lqdt_NonrollingStockSurplusContractMember_0FFB06BD15CB3AE8E0E9A44211CF59D4" xlink:type="arc" />
    <link:loc xlink:href="lqdt-20170630.xsd#lqdt_ServiceFeeMember" xlink:label="loc_lqdt_ServiceFeeMember_D9CEDE5936677DDF8ABEA44211D01521" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ProductsAndServicesDomain_0153AEDA6FAE188C1130A44211CF4A8D" xlink:to="loc_lqdt_ServiceFeeMember_D9CEDE5936677DDF8ABEA44211D01521" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="loc_us-gaap_StatementScenarioAxis_CA9A688520650403A264A46F28895781" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfCollaborativeArrangementsAndNoncollaborativeArrangementTransactionsTable_CF29DC975BA4F13A32CAA44211CE02A9" xlink:to="loc_us-gaap_StatementScenarioAxis_CA9A688520650403A264A46F28895781" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_59B02371EC7FB1210AF5A46F28905686" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementScenarioAxis_CA9A688520650403A264A46F28895781" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_59B02371EC7FB1210AF5A46F28905686" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProFormaMember" xlink:label="loc_us-gaap_ProFormaMember_4282BC41034C5B9CDCCAA46F58D20BAD" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScenarioUnspecifiedDomain_59B02371EC7FB1210AF5A46F28905686" xlink:to="loc_us-gaap_ProFormaMember_4282BC41034C5B9CDCCAA46F58D20BAD" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ConcentrationRiskByBenchmarkAxis" xlink:label="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_52CA38719FD0A20E68C2A44211CE66AD" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfCollaborativeArrangementsAndNoncollaborativeArrangementTransactionsTable_CF29DC975BA4F13A32CAA44211CE02A9" xlink:to="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_52CA38719FD0A20E68C2A44211CE66AD" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ConcentrationRiskBenchmarkDomain" xlink:label="loc_us-gaap_ConcentrationRiskBenchmarkDomain_2268EE7684095E5C283CA44211CE82CA" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_52CA38719FD0A20E68C2A44211CE66AD" xlink:to="loc_us-gaap_ConcentrationRiskBenchmarkDomain_2268EE7684095E5C283CA44211CE82CA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SalesRevenueNetMember" xlink:label="loc_us-gaap_SalesRevenueNetMember_13B5E7B34B63BF440D9FA44211CEFAEC" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ConcentrationRiskBenchmarkDomain_2268EE7684095E5C283CA44211CE82CA" xlink:to="loc_us-gaap_SalesRevenueNetMember_13B5E7B34B63BF440D9FA44211CEFAEC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ConcentrationRiskByTypeAxis" xlink:label="loc_us-gaap_ConcentrationRiskByTypeAxis_B408774519EF72207939A44211D03A3B" xlink:type="locator" />
    <link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfCollaborativeArrangementsAndNoncollaborativeArrangementTransactionsTable_CF29DC975BA4F13A32CAA44211CE02A9" xlink:to="loc_us-gaap_ConcentrationRiskByTypeAxis_B408774519EF72207939A44211D03A3B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ConcentrationRiskTypeDomain" xlink:label="loc_us-gaap_ConcentrationRiskTypeDomain_1A8953575EA6C1CEC7BEA44211D0767F" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ConcentrationRiskByTypeAxis_B408774519EF72207939A44211D03A3B" xlink:to="loc_us-gaap_ConcentrationRiskTypeDomain_1A8953575EA6C1CEC7BEA44211D0767F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_GovernmentContractsConcentrationRiskMember" xlink:label="loc_us-gaap_GovernmentContractsConcentrationRiskMember_C39C1FDB10D182BE5A7AA44211D08088" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ConcentrationRiskTypeDomain_1A8953575EA6C1CEC7BEA44211D0767F" xlink:to="loc_us-gaap_GovernmentContractsConcentrationRiskMember_C39C1FDB10D182BE5A7AA44211D08088" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CustomerConcentrationRiskMember" xlink:label="loc_us-gaap_CustomerConcentrationRiskMember_34FF9AE419D8CE6D157BA44211D051D9" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ConcentrationRiskTypeDomain_1A8953575EA6C1CEC7BEA44211D0767F" xlink:to="loc_us-gaap_CustomerConcentrationRiskMember_34FF9AE419D8CE6D157BA44211D051D9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems" xlink:label="loc_us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems_9BDBAC3353E62492755BA44211D0C33B" xlink:type="locator" />
    <link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfCollaborativeArrangementsAndNoncollaborativeArrangementTransactionsTable_CF29DC975BA4F13A32CAA44211CE02A9" xlink:to="loc_us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems_9BDBAC3353E62492755BA44211D0C33B" xlink:type="arc" />
    <link:loc xlink:href="lqdt-20170630.xsd#lqdt_UsableSurplusPropertyToBePurchasedAsPercentageOfOriginalAcquisitionValue" xlink:label="loc_lqdt_UsableSurplusPropertyToBePurchasedAsPercentageOfOriginalAcquisitionValue_3C2DFF5964F4536ED4F3A44211D0BEC8" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems_9BDBAC3353E62492755BA44211D0C33B" xlink:to="loc_lqdt_UsableSurplusPropertyToBePurchasedAsPercentageOfOriginalAcquisitionValue_3C2DFF5964F4536ED4F3A44211D0BEC8" xlink:type="arc" />
    <link:loc xlink:href="lqdt-20170630.xsd#lqdt_PercentageOfProfitsRetained" xlink:label="loc_lqdt_PercentageOfProfitsRetained_FF06AC235701BFF05F21A44211D08EF6" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems_9BDBAC3353E62492755BA44211D0C33B" xlink:to="loc_lqdt_PercentageOfProfitsRetained_FF06AC235701BFF05F21A44211D08EF6" xlink:type="arc" />
    <link:loc xlink:href="lqdt-20170630.xsd#lqdt_AccruedExpensesAndOtherCurrentLiabilities" xlink:label="loc_lqdt_AccruedExpensesAndOtherCurrentLiabilities_6C373FB346C9EB5F03A1A44211D02F58" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems_9BDBAC3353E62492755BA44211D0C33B" xlink:to="loc_lqdt_AccruedExpensesAndOtherCurrentLiabilities_6C373FB346C9EB5F03A1A44211D02F58" xlink:type="arc" />
    <link:loc xlink:href="lqdt-20170630.xsd#lqdt_BasePeriod" xlink:label="loc_lqdt_BasePeriod_A91591CB101631069E8EA44211D0CFFC" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems_9BDBAC3353E62492755BA44211D0C33B" xlink:to="loc_lqdt_BasePeriod_A91591CB101631069E8EA44211D0CFFC" xlink:type="arc" />
    <link:loc xlink:href="lqdt-20170630.xsd#lqdt_RenewalOptionsExtendedTerm" xlink:label="loc_lqdt_RenewalOptionsExtendedTerm_D715054F3AE4DAB01446A44211D17891" xlink:type="locator" />
    <link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems_9BDBAC3353E62492755BA44211D0C33B" xlink:to="loc_lqdt_RenewalOptionsExtendedTerm_D715054F3AE4DAB01446A44211D17891" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ContractWithCustomerLiabilityCumulativeCatchUpAdjustmentToRevenueChangeInEstimateOfTransactionPrice" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityCumulativeCatchUpAdjustmentToRevenueChangeInEstimateOfTransactionPrice_2C817B1D416A41CB83B5A44211D1B83F" xlink:type="locator" />
    <link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems_9BDBAC3353E62492755BA44211D0C33B" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityCumulativeCatchUpAdjustmentToRevenueChangeInEstimateOfTransactionPrice_2C817B1D416A41CB83B5A44211D1B83F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ConcentrationRiskPercentage1" xlink:label="loc_us-gaap_ConcentrationRiskPercentage1_386F5772A898C967A590A44211D14936" xlink:type="locator" />
    <link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems_9BDBAC3353E62492755BA44211D0C33B" xlink:to="loc_us-gaap_ConcentrationRiskPercentage1_386F5772A898C967A590A44211D14936" xlink:type="arc" />
    <link:loc xlink:href="lqdt-20170630.xsd#lqdt_ContractTerm" xlink:label="loc_lqdt_ContractTerm_1F044A71C1CE86E7FA5DA44211D10D38" xlink:type="locator" />
    <link:presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems_9BDBAC3353E62492755BA44211D0C33B" xlink:to="loc_lqdt_ContractTerm_1F044A71C1CE86E7FA5DA44211D10D38" xlink:type="arc" />
    <link:loc xlink:href="lqdt-20170630.xsd#lqdt_AdjustedPercentageOfProfitSharingDistribution" xlink:label="loc_lqdt_AdjustedPercentageOfProfitSharingDistribution_BF04EDC54E0F380CACB1A44211D1847B" xlink:type="locator" />
    <link:presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems_9BDBAC3353E62492755BA44211D0C33B" xlink:to="loc_lqdt_AdjustedPercentageOfProfitSharingDistribution_BF04EDC54E0F380CACB1A44211D1847B" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.liquidityservices.com/role/StockholdersEquity" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StockholdersEquityNoteAbstract" xlink:label="loc_us-gaap_StockholdersEquityNoteAbstract_80E659B2E46150C81BE29E5540AD1BBA" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareholdersEquityAndShareBasedPaymentsTextBlock" xlink:label="loc_us-gaap_ShareholdersEquityAndShareBasedPaymentsTextBlock_6EB0B3FE9C008F26A11A9E5540AD0DE3" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityNoteAbstract_80E659B2E46150C81BE29E5540AD1BBA" xlink:to="loc_us-gaap_ShareholdersEquityAndShareBasedPaymentsTextBlock_6EB0B3FE9C008F26A11A9E5540AD0DE3" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.liquidityservices.com/role/StockholdersEquity2006PlanActivityDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StockholdersEquityNoteAbstract" xlink:label="loc_us-gaap_StockholdersEquityNoteAbstract_D419B2DC56279DBFC2969E55408E9D0A" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_BD63E69DBC377DD3647F9E55408E5FED" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityNoteAbstract_D419B2DC56279DBFC2969E55408E9D0A" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_BD63E69DBC377DD3647F9E55408E5FED" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="loc_us-gaap_AwardTypeAxis_BC571122769D40C4ECD89E55408EE48F" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_BD63E69DBC377DD3647F9E55408E5FED" xlink:to="loc_us-gaap_AwardTypeAxis_BC571122769D40C4ECD89E55408EE48F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_8BDD896A74FE520DD02F9E55408E40C2" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AwardTypeAxis_BC571122769D40C4ECD89E55408EE48F" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_8BDD896A74FE520DD02F9E55408E40C2" xlink:type="arc" />
    <link:loc xlink:href="lqdt-20170630.xsd#lqdt_EmployeeAndNonEmployeesStockOptionMember" xlink:label="loc_lqdt_EmployeeAndNonEmployeesStockOptionMember_149A7488F53EA9BB338A9E55408EA9BB" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_8BDD896A74FE520DD02F9E55408E40C2" xlink:to="loc_lqdt_EmployeeAndNonEmployeesStockOptionMember_149A7488F53EA9BB338A9E55408EA9BB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_A330BF08C32EA286A1369E55408E1520" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_BD63E69DBC377DD3647F9E55408E5FED" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_A330BF08C32EA286A1369E55408E1520" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_520349EC6F42C9FAAF309E55408FDC5E" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_A330BF08C32EA286A1369E55408E1520" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_520349EC6F42C9FAAF309E55408FDC5E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_EDB85A96C56C677F5D8B9E55408F747E" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_520349EC6F42C9FAAF309E55408FDC5E" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_EDB85A96C56C677F5D8B9E55408F747E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_C3CF713696239041FAF09E55408F2FB3" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_520349EC6F42C9FAAF309E55408FDC5E" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_C3CF713696239041FAF09E55408F2FB3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_036397DEA8E360AFA16D9E55408F8922" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_520349EC6F42C9FAAF309E55408FDC5E" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_036397DEA8E360AFA16D9E55408F8922" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod_703BA69D7C57E7BE6C1F9E55408FFC87" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_520349EC6F42C9FAAF309E55408FDC5E" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod_703BA69D7C57E7BE6C1F9E55408FFC87" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_78926299E6E0354C7C7F9E55408FEA98" xlink:type="locator" />
    <link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_520349EC6F42C9FAAF309E55408FDC5E" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_78926299E6E0354C7C7F9E55408FEA98" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_17666FC610FA1F79B4A19E55408FAF2D" xlink:type="locator" />
    <link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_520349EC6F42C9FAAF309E55408FDC5E" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_17666FC610FA1F79B4A19E55408FAF2D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_02C1D7A43EDB69115E4B9E55408FE607" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_A330BF08C32EA286A1369E55408E1520" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_02C1D7A43EDB69115E4B9E55408FE607" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_5C739DA9FFE56719CE339E55408FB66F" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_02C1D7A43EDB69115E4B9E55408FE607" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_5C739DA9FFE56719CE339E55408FB66F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_F31A6E370BABABEE45CC9E55408F5F7F" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_02C1D7A43EDB69115E4B9E55408FE607" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_F31A6E370BABABEE45CC9E55408F5F7F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_CC91B7851C593B843D0F9E55408F71BD" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_02C1D7A43EDB69115E4B9E55408FE607" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_CC91B7851C593B843D0F9E55408F71BD" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice_3CF04165E6491D7590DA9E55408F0369" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_02C1D7A43EDB69115E4B9E55408FE607" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice_3CF04165E6491D7590DA9E55408F0369" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_B17C5BF3352A1C1B67679E55408F5D4B" xlink:type="locator" />
    <link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_02C1D7A43EDB69115E4B9E55408FE607" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_B17C5BF3352A1C1B67679E55408F5D4B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_E1ECC7E29311F1F494C99E554090E37F" xlink:type="locator" />
    <link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_02C1D7A43EDB69115E4B9E55408FE607" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_E1ECC7E29311F1F494C99E554090E37F" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.liquidityservices.com/role/StockholdersEquityNarrativeDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StockholdersEquityNoteAbstract" xlink:label="loc_us-gaap_StockholdersEquityNoteAbstract_D9F353150F0149E3EDF09EEE8317C266" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_62EC1CEF5146645889B49EEE831783C8" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityNoteAbstract_D9F353150F0149E3EDF09EEE8317C266" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_62EC1CEF5146645889B49EEE831783C8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="loc_us-gaap_AwardTypeAxis_2B1FE36C23CE8A6A04229EEE8317548E" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_62EC1CEF5146645889B49EEE831783C8" xlink:to="loc_us-gaap_AwardTypeAxis_2B1FE36C23CE8A6A04229EEE8317548E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_2F573E093C703A5BFACF9EEE8317F540" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AwardTypeAxis_2B1FE36C23CE8A6A04229EEE8317548E" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_2F573E093C703A5BFACF9EEE8317F540" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StockAppreciationRightsSARSMember" xlink:label="loc_us-gaap_StockAppreciationRightsSARSMember_7F860D2C4D854C9BF2FF9EEE831796D5" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_2F573E093C703A5BFACF9EEE8317F540" xlink:to="loc_us-gaap_StockAppreciationRightsSARSMember_7F860D2C4D854C9BF2FF9EEE831796D5" xlink:type="arc" />
    <link:loc xlink:href="lqdt-20170630.xsd#lqdt_StockOptionsOrStockAppreciationRightsMember" xlink:label="loc_lqdt_StockOptionsOrStockAppreciationRightsMember_15FFD62C856266D3A5979EEE831747B3" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_2F573E093C703A5BFACF9EEE8317F540" xlink:to="loc_lqdt_StockOptionsOrStockAppreciationRightsMember_15FFD62C856266D3A5979EEE831747B3" xlink:type="arc" />
    <link:loc xlink:href="lqdt-20170630.xsd#lqdt_OtherThanStockOptionsOrStockAppreciationRightsMember" xlink:label="loc_lqdt_OtherThanStockOptionsOrStockAppreciationRightsMember_EBBA662B496E375E679B9EEE8317BDC6" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_2F573E093C703A5BFACF9EEE8317F540" xlink:to="loc_lqdt_OtherThanStockOptionsOrStockAppreciationRightsMember_EBBA662B496E375E679B9EEE8317BDC6" xlink:type="arc" />
    <link:loc xlink:href="lqdt-20170630.xsd#lqdt_EmployeeAndNonEmployeesStockOptionMember" xlink:label="loc_lqdt_EmployeeAndNonEmployeesStockOptionMember_DEFC9F2E79B66BCDFDE99EEE83177E8E" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_2F573E093C703A5BFACF9EEE8317F540" xlink:to="loc_lqdt_EmployeeAndNonEmployeesStockOptionMember_DEFC9F2E79B66BCDFDE99EEE83177E8E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RestrictedStockMember" xlink:label="loc_us-gaap_RestrictedStockMember_CE2BA2745580ECFD598B9EEE83176C3A" xlink:type="locator" />
    <link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_2F573E093C703A5BFACF9EEE8317F540" xlink:to="loc_us-gaap_RestrictedStockMember_CE2BA2745580ECFD598B9EEE83176C3A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RangeAxis" xlink:label="loc_us-gaap_RangeAxis_BAEEE7F5173DBC7B0A5D9EEE8317FFA7" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_62EC1CEF5146645889B49EEE831783C8" xlink:to="loc_us-gaap_RangeAxis_BAEEE7F5173DBC7B0A5D9EEE8317FFA7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_A4A877C00CC506DCA5F39EEE8317F547" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RangeAxis_BAEEE7F5173DBC7B0A5D9EEE8317FFA7" xlink:to="loc_us-gaap_RangeMember_A4A877C00CC506DCA5F39EEE8317F547" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_MinimumMember" xlink:label="loc_us-gaap_MinimumMember_648EA951E4D433710C779EEE83170190" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RangeMember_A4A877C00CC506DCA5F39EEE8317F547" xlink:to="loc_us-gaap_MinimumMember_648EA951E4D433710C779EEE83170190" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_MaximumMember" xlink:label="loc_us-gaap_MaximumMember_32B165A0CBA3A01E42749EEE8317139D" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RangeMember_A4A877C00CC506DCA5F39EEE8317F547" xlink:to="loc_us-gaap_MaximumMember_32B165A0CBA3A01E42749EEE8317139D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_B0673F16CF147C284FDB9EEE8317028B" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_62EC1CEF5146645889B49EEE831783C8" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_B0673F16CF147C284FDB9EEE8317028B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1" xlink:label="loc_us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1_36B4377E4B3E880890339EEE8317E7A9" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_B0673F16CF147C284FDB9EEE8317028B" xlink:to="loc_us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1_36B4377E4B3E880890339EEE8317E7A9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_04CEEA2E7129D222E7499EEE8317F367" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_B0673F16CF147C284FDB9EEE8317028B" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_04CEEA2E7129D222E7499EEE8317F367" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized_139F38619783698E4F279EEE831782C3" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_B0673F16CF147C284FDB9EEE8317028B" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized_139F38619783698E4F279EEE831782C3" xlink:type="arc" />
    <link:loc xlink:href="lqdt-20170630.xsd#lqdt_NumberOfSharesCountedForGrantsOfFullValueAwardsFromReserve" xlink:label="loc_lqdt_NumberOfSharesCountedForGrantsOfFullValueAwardsFromReserve_C7CC4FEE72F84BC7770C9EEE8317CA35" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_B0673F16CF147C284FDB9EEE8317028B" xlink:to="loc_lqdt_NumberOfSharesCountedForGrantsOfFullValueAwardsFromReserve_C7CC4FEE72F84BC7770C9EEE8317CA35" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_E13E768BEE239B8CAC099EEE8317258C" xlink:type="locator" />
    <link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_B0673F16CF147C284FDB9EEE8317028B" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_E13E768BEE239B8CAC099EEE8317258C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_6A7F919DC758372B97B59EEE8317D3B4" xlink:type="locator" />
    <link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_B0673F16CF147C284FDB9EEE8317028B" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_6A7F919DC758372B97B59EEE8317D3B4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_24887E78C740D4F7D0F59EEE8317627B" xlink:type="locator" />
    <link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_B0673F16CF147C284FDB9EEE8317028B" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_24887E78C740D4F7D0F59EEE8317627B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_00DEF0368D881D14B46D9EEE8317F8A4" xlink:type="locator" />
    <link:presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_B0673F16CF147C284FDB9EEE8317028B" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_00DEF0368D881D14B46D9EEE8317F8A4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_5795BCF8F5F4D1031ACA9EEE83170AC2" xlink:type="locator" />
    <link:presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_B0673F16CF147C284FDB9EEE8317028B" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_5795BCF8F5F4D1031ACA9EEE83170AC2" xlink:type="arc" />
    <link:loc xlink:href="lqdt-20170630.xsd#lqdt_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAwardedPerPersonPerYear" xlink:label="loc_lqdt_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAwardedPerPersonPerYear_E8AE9300E0943F693CDF9EEE831780CC" xlink:type="locator" />
    <link:presentationArc order="10" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_B0673F16CF147C284FDB9EEE8317028B" xlink:to="loc_lqdt_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAwardedPerPersonPerYear_E8AE9300E0943F693CDF9EEE831780CC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_615AD03309E7BE3A6C109EEE83174B04" xlink:type="locator" />
    <link:presentationArc order="11" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_B0673F16CF147C284FDB9EEE8317028B" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_615AD03309E7BE3A6C109EEE83174B04" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_80D8F04D982DBD754E249EEE8317E2CE" xlink:type="locator" />
    <link:presentationArc order="12" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_B0673F16CF147C284FDB9EEE8317028B" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_80D8F04D982DBD754E249EEE8317E2CE" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_42669EE985274C8BE8DF9EEE831794D9" xlink:type="locator" />
    <link:presentationArc order="13" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_B0673F16CF147C284FDB9EEE8317028B" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_42669EE985274C8BE8DF9EEE831794D9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_802CD4A86DB0768E7F9E9EEE8317602A" xlink:type="locator" />
    <link:presentationArc order="14" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_B0673F16CF147C284FDB9EEE8317028B" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_802CD4A86DB0768E7F9E9EEE8317602A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_78C83C4EAC6E151A35529EEE831739DF" xlink:type="locator" />
    <link:presentationArc order="15" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_B0673F16CF147C284FDB9EEE8317028B" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_78C83C4EAC6E151A35529EEE831739DF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SharePrice" xlink:label="loc_us-gaap_SharePrice_1AE4D86B54753B3FCA309EEE8317CB8E" xlink:type="locator" />
    <link:presentationArc order="16" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_B0673F16CF147C284FDB9EEE8317028B" xlink:to="loc_us-gaap_SharePrice_1AE4D86B54753B3FCA309EEE8317CB8E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum_F9ADF515FD10AEA7A8EF9EEE8317E32C" xlink:type="locator" />
    <link:presentationArc order="17" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_B0673F16CF147C284FDB9EEE8317028B" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum_F9ADF515FD10AEA7A8EF9EEE8317E32C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum_78F244B435E01898AAD89EEE83174AF5" xlink:type="locator" />
    <link:presentationArc order="18" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_B0673F16CF147C284FDB9EEE8317028B" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum_78F244B435E01898AAD89EEE83174AF5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_03D92ADC484AFC7AA33E9EEE8317F739" xlink:type="locator" />
    <link:presentationArc order="19" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_B0673F16CF147C284FDB9EEE8317028B" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_03D92ADC484AFC7AA33E9EEE8317F739" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum_2D9C590E8BAC8A55F8F69EEE83176E76" xlink:type="locator" />
    <link:presentationArc order="20" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_B0673F16CF147C284FDB9EEE8317028B" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum_2D9C590E8BAC8A55F8F69EEE83176E76" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum_612392DD9D78C363AB7F9EEE83178ECC" xlink:type="locator" />
    <link:presentationArc order="21" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_B0673F16CF147C284FDB9EEE8317028B" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum_612392DD9D78C363AB7F9EEE83178ECC" xlink:type="arc" />
    <link:loc xlink:href="lqdt-20170630.xsd#lqdt_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsForfeitureRate" xlink:label="loc_lqdt_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsForfeitureRate_9B2E57C010D11F5B64F29EEE83173058" xlink:type="locator" />
    <link:presentationArc order="22" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_B0673F16CF147C284FDB9EEE8317028B" xlink:to="loc_lqdt_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsForfeitureRate_9B2E57C010D11F5B64F29EEE83173058" xlink:type="arc" />
    <link:loc xlink:href="lqdt-20170630.xsd#lqdt_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedTotalIntrinsicValue" xlink:label="loc_lqdt_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedTotalIntrinsicValue_FAF74231C91451E875859EEE83176890" xlink:type="locator" />
    <link:presentationArc order="23" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_B0673F16CF147C284FDB9EEE8317028B" xlink:to="loc_lqdt_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedTotalIntrinsicValue_FAF74231C91451E875859EEE83176890" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTerms" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTerms_4C09AA295DE5F8B8DC439EEE83172FCF" xlink:type="locator" />
    <link:presentationArc order="24" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_B0673F16CF147C284FDB9EEE8317028B" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTerms_4C09AA295DE5F8B8DC439EEE83172FCF" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.liquidityservices.com/role/StockholdersEquityRestrictedShareActivityDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StockholdersEquityNoteAbstract" xlink:label="loc_us-gaap_StockholdersEquityNoteAbstract_BE42888A4F1B939471E99E5540F95432" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_CA09B4CDE3A785BE37389E5540F9033D" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityNoteAbstract_BE42888A4F1B939471E99E5540F95432" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_CA09B4CDE3A785BE37389E5540F9033D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="loc_us-gaap_AwardTypeAxis_53E7578DE96846D932229E5540F99E3F" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_CA09B4CDE3A785BE37389E5540F9033D" xlink:to="loc_us-gaap_AwardTypeAxis_53E7578DE96846D932229E5540F99E3F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_0B2DC461DB5AD47C5A599E5540F908D3" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AwardTypeAxis_53E7578DE96846D932229E5540F99E3F" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_0B2DC461DB5AD47C5A599E5540F908D3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RestrictedStockMember" xlink:label="loc_us-gaap_RestrictedStockMember_91E29DD8524CAC11646E9E5540F9653F" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_0B2DC461DB5AD47C5A599E5540F908D3" xlink:to="loc_us-gaap_RestrictedStockMember_91E29DD8524CAC11646E9E5540F9653F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_35028AE70D81DA56545E9E5540F93C91" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_CA09B4CDE3A785BE37389E5540F9033D" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_35028AE70D81DA56545E9E5540F93C91" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_C168FBB0D5B74B6C74EA9E5540F99655" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_35028AE70D81DA56545E9E5540F93C91" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_C168FBB0D5B74B6C74EA9E5540F99655" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_F987B11155ABFC35B8399E5540F98571" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_C168FBB0D5B74B6C74EA9E5540F99655" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_F987B11155ABFC35B8399E5540F98571" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_E165DF0B3F7A4B70BFC69E5540F952A4" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_C168FBB0D5B74B6C74EA9E5540F99655" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_E165DF0B3F7A4B70BFC69E5540F952A4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_EB2ACD4E3270D9B998CA9E5540F9D769" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_C168FBB0D5B74B6C74EA9E5540F99655" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_EB2ACD4E3270D9B998CA9E5540F9D769" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_6311DD93E12E40AA1D479E5540FA60F7" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_C168FBB0D5B74B6C74EA9E5540F99655" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_6311DD93E12E40AA1D479E5540FA60F7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_05BBD09C472C7951B0079E5540FA8066" xlink:type="locator" />
    <link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_C168FBB0D5B74B6C74EA9E5540F99655" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_05BBD09C472C7951B0079E5540FA8066" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_F3A29EC09626E450FFC59E5540FAB6C5" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_35028AE70D81DA56545E9E5540F93C91" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_F3A29EC09626E450FFC59E5540FAB6C5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_FB42760CD0036FECE5899E5540FA9E30" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_F3A29EC09626E450FFC59E5540FAB6C5" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_FB42760CD0036FECE5899E5540FA9E30" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_CF2C59B5E634985C714B9E5540FA766E" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_F3A29EC09626E450FFC59E5540FAB6C5" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_CF2C59B5E634985C714B9E5540FA766E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_2C98549FF9201ED26FC19E5540FA1059" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_F3A29EC09626E450FFC59E5540FAB6C5" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_2C98549FF9201ED26FC19E5540FA1059" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_A875B5B46BFD46A4B6049E5540FADEA6" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_F3A29EC09626E450FFC59E5540FAB6C5" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_A875B5B46BFD46A4B6049E5540FADEA6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_3E14282A5C52997593FA9E5540FAD0F0" xlink:type="locator" />
    <link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_F3A29EC09626E450FFC59E5540FAB6C5" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_3E14282A5C52997593FA9E5540FAD0F0" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.liquidityservices.com/role/StockholdersEquityTables" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StockholdersEquityNoteAbstract" xlink:label="loc_us-gaap_StockholdersEquityNoteAbstract_6C2E9F079E916E011AE49E55410EB28F" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_FBBF9D7B084CD9797D1F9E55410EDC2D" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityNoteAbstract_6C2E9F079E916E011AE49E55410EB28F" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_FBBF9D7B084CD9797D1F9E55410EDC2D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfNonvestedShareActivityTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfNonvestedShareActivityTableTextBlock_209DB3574FF0EAA2B8739E55410E2146" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityNoteAbstract_6C2E9F079E916E011AE49E55410EB28F" xlink:to="loc_us-gaap_ScheduleOfNonvestedShareActivityTableTextBlock_209DB3574FF0EAA2B8739E55410E2146" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.liquidityservices.com/role/SummaryOfSignificantAccountingPolicies" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccountingPoliciesAbstract" xlink:label="loc_us-gaap_AccountingPoliciesAbstract_7980A3AA65DD43D745CB9E55412BB8D6" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SignificantAccountingPoliciesTextBlock" xlink:label="loc_us-gaap_SignificantAccountingPoliciesTextBlock_2AEA69A6C8CD92BDE7C69E55412B9D61" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_7980A3AA65DD43D745CB9E55412BB8D6" xlink:to="loc_us-gaap_SignificantAccountingPoliciesTextBlock_2AEA69A6C8CD92BDE7C69E55412B9D61" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.liquidityservices.com/role/SummaryOfSignificantAccountingPoliciesEarningsPerShareDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccountingPoliciesAbstract" xlink:label="loc_us-gaap_AccountingPoliciesAbstract_02DBD9CFB3C36A85EA57A44211E3AAC3" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EarningsPerShareAbstract" xlink:label="loc_us-gaap_EarningsPerShareAbstract_5D8C5B927E3F7B33E510A44211E312BB" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_02DBD9CFB3C36A85EA57A44211E3AAC3" xlink:to="loc_us-gaap_EarningsPerShareAbstract_5D8C5B927E3F7B33E510A44211E312BB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingDilutedDisclosureItemsAbstract" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingDilutedDisclosureItemsAbstract_12D2BC23A7EB515888C2A44211E36421" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareAbstract_5D8C5B927E3F7B33E510A44211E312BB" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingDilutedDisclosureItemsAbstract_12D2BC23A7EB515888C2A44211E36421" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_AC0379568F6500133FCAA44211E458A3" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingDilutedDisclosureItemsAbstract_12D2BC23A7EB515888C2A44211E36421" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_AC0379568F6500133FCAA44211E458A3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment" xlink:label="loc_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_71B18FDC60EBFCBF4269A4502587F58D" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingDilutedDisclosureItemsAbstract_12D2BC23A7EB515888C2A44211E36421" xlink:to="loc_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_71B18FDC60EBFCBF4269A4502587F58D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_DA80E1CAEEF763FB109CA44211E4E82A" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingDilutedDisclosureItemsAbstract_12D2BC23A7EB515888C2A44211E36421" xlink:to="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_DA80E1CAEEF763FB109CA44211E4E82A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" xlink:label="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_D8DDA0071EF4F44DC65FA44211E4F161" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareAbstract_5D8C5B927E3F7B33E510A44211E312BB" xlink:to="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_D8DDA0071EF4F44DC65FA44211E4F161" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EarningsPerShareBasicAndDiluted" xlink:label="loc_us-gaap_EarningsPerShareBasicAndDiluted_E8E56B77B778C65BE895A45111110392" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareAbstract_5D8C5B927E3F7B33E510A44211E312BB" xlink:to="loc_us-gaap_EarningsPerShareBasicAndDiluted_E8E56B77B778C65BE895A45111110392" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.liquidityservices.com/role/SummaryOfSignificantAccountingPoliciesNarrativeDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccountingPoliciesAbstract" xlink:label="loc_us-gaap_AccountingPoliciesAbstract_DB2892A0C55E6F6649C8A86E8DE0121A" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:label="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_5FC57D6E52E6030C8A45A86E8DE1E0DE" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_DB2892A0C55E6F6649C8A86E8DE0121A" xlink:to="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_5FC57D6E52E6030C8A45A86E8DE1E0DE" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_5384E51A3B3073CAFD7AA86E8DE102F5" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_5FC57D6E52E6030C8A45A86E8DE1E0DE" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_5384E51A3B3073CAFD7AA86E8DE102F5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_D387A868B0C12C6BE42AA86E8DE2AACD" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_5384E51A3B3073CAFD7AA86E8DE102F5" xlink:to="loc_us-gaap_SegmentDomain_D387A868B0C12C6BE42AA86E8DE2AACD" xlink:type="arc" />
    <link:loc xlink:href="lqdt-20170630.xsd#lqdt_IronDirectMember" xlink:label="loc_lqdt_IronDirectMember_5E347CBD9860B88FC973A86E8DE21158" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_D387A868B0C12C6BE42AA86E8DE2AACD" xlink:to="loc_lqdt_IronDirectMember_5E347CBD9860B88FC973A86E8DE21158" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfReceivablesWithImputedInterestNameOfReceivableWithImputedInterestAxis" xlink:label="loc_us-gaap_ScheduleOfReceivablesWithImputedInterestNameOfReceivableWithImputedInterestAxis_42BFCE420573A99391FAA86E8DE28432" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_5FC57D6E52E6030C8A45A86E8DE1E0DE" xlink:to="loc_us-gaap_ScheduleOfReceivablesWithImputedInterestNameOfReceivableWithImputedInterestAxis_42BFCE420573A99391FAA86E8DE28432" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NameOfReceivableWithImputedInterestDomain" xlink:label="loc_us-gaap_NameOfReceivableWithImputedInterestDomain_B690009BD3B6DFA9D2D4A86E8DE224B6" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfReceivablesWithImputedInterestNameOfReceivableWithImputedInterestAxis_42BFCE420573A99391FAA86E8DE28432" xlink:to="loc_us-gaap_NameOfReceivableWithImputedInterestDomain_B690009BD3B6DFA9D2D4A86E8DE224B6" xlink:type="arc" />
    <link:loc xlink:href="lqdt-20170630.xsd#lqdt_TanagerAcquisitionsPromissoryNoteMember" xlink:label="loc_lqdt_TanagerAcquisitionsPromissoryNoteMember_5D64CD1374AB9736CEDFA86E8DE21EF9" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NameOfReceivableWithImputedInterestDomain_B690009BD3B6DFA9D2D4A86E8DE224B6" xlink:to="loc_lqdt_TanagerAcquisitionsPromissoryNoteMember_5D64CD1374AB9736CEDFA86E8DE21EF9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_BalanceSheetLocationAxis" xlink:label="loc_us-gaap_BalanceSheetLocationAxis_EB71D31EAD6D7FE4ACDCA86E8DE3412B" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_5FC57D6E52E6030C8A45A86E8DE1E0DE" xlink:to="loc_us-gaap_BalanceSheetLocationAxis_EB71D31EAD6D7FE4ACDCA86E8DE3412B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_BalanceSheetLocationDomain" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_552D2F20365F2B561C69A86E8DE3A4DA" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_EB71D31EAD6D7FE4ACDCA86E8DE3412B" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_552D2F20365F2B561C69A86E8DE3A4DA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherAssetsMember" xlink:label="loc_us-gaap_OtherAssetsMember_939112A033823B206C35A86E8DE3F14B" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_552D2F20365F2B561C69A86E8DE3A4DA" xlink:to="loc_us-gaap_OtherAssetsMember_939112A033823B206C35A86E8DE3F14B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PrepaidExpensesAndOtherCurrentAssetsMember" xlink:label="loc_us-gaap_PrepaidExpensesAndOtherCurrentAssetsMember_09388A1589F40D84A014A86E8DE37432" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_552D2F20365F2B561C69A86E8DE3A4DA" xlink:to="loc_us-gaap_PrepaidExpensesAndOtherCurrentAssetsMember_09388A1589F40D84A014A86E8DE37432" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="loc_us-gaap_BusinessAcquisitionLineItems_6AC611590ECED17344F1A86E8DE39B05" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_5FC57D6E52E6030C8A45A86E8DE1E0DE" xlink:to="loc_us-gaap_BusinessAcquisitionLineItems_6AC611590ECED17344F1A86E8DE39B05" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InventoryValuationReserves" xlink:label="loc_us-gaap_InventoryValuationReserves_D22F3041B1BAC73F1577A86E8DE4F208" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_6AC611590ECED17344F1A86E8DE39B05" xlink:to="loc_us-gaap_InventoryValuationReserves_D22F3041B1BAC73F1577A86E8DE4F208" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ReceivableWithImputedInterestFaceAmount" xlink:label="loc_us-gaap_ReceivableWithImputedInterestFaceAmount_822EED04E668DEB744D9A86E8DE41940" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_6AC611590ECED17344F1A86E8DE39B05" xlink:to="loc_us-gaap_ReceivableWithImputedInterestFaceAmount_822EED04E668DEB744D9A86E8DE41940" xlink:type="arc" />
    <link:loc xlink:href="lqdt-20170630.xsd#lqdt_ReceivablewithImputedInterestTerm" xlink:label="loc_lqdt_ReceivablewithImputedInterestTerm_68140C827CFF0EFF69BDA86E8DE493A6" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_6AC611590ECED17344F1A86E8DE39B05" xlink:to="loc_lqdt_ReceivablewithImputedInterestTerm_68140C827CFF0EFF69BDA86E8DE493A6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProceedsFromCollectionOfNotesReceivable" xlink:label="loc_us-gaap_ProceedsFromCollectionOfNotesReceivable_B50E2E028DA0D3D8150AA86E8DE44929" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_6AC611590ECED17344F1A86E8DE39B05" xlink:to="loc_us-gaap_ProceedsFromCollectionOfNotesReceivable_B50E2E028DA0D3D8150AA86E8DE44929" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ReceivableWithImputedInterestNetAmount" xlink:label="loc_us-gaap_ReceivableWithImputedInterestNetAmount_BC71D83D965F04053DCFA86E8DE4ABE0" xlink:type="locator" />
    <link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_6AC611590ECED17344F1A86E8DE39B05" xlink:to="loc_us-gaap_ReceivableWithImputedInterestNetAmount_BC71D83D965F04053DCFA86E8DE4ABE0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_F9841EDA4A01A1109EDDA86E8DE4F497" xlink:type="locator" />
    <link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_6AC611590ECED17344F1A86E8DE39B05" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_F9841EDA4A01A1109EDDA86E8DE4F497" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.liquidityservices.com/role/SummaryOfSignificantAccountingPoliciesPolicies" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccountingPoliciesAbstract" xlink:label="loc_us-gaap_AccountingPoliciesAbstract_9063D1B151C6A7F078149E554105D47F" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_BasisOfAccountingPolicyPolicyTextBlock" xlink:label="loc_us-gaap_BasisOfAccountingPolicyPolicyTextBlock_C335B5AC945321DA8BBA9E554105AC41" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_9063D1B151C6A7F078149E554105D47F" xlink:to="loc_us-gaap_BasisOfAccountingPolicyPolicyTextBlock_C335B5AC945321DA8BBA9E554105AC41" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock" xlink:label="loc_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_4432B12BD437B155D05E9E554105B319" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_9063D1B151C6A7F078149E554105D47F" xlink:to="loc_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_4432B12BD437B155D05E9E554105B319" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_BusinessCombinationsPolicy" xlink:label="loc_us-gaap_BusinessCombinationsPolicy_5DE6C4DC624408B1E07B9E554105E31F" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_9063D1B151C6A7F078149E554105D47F" xlink:to="loc_us-gaap_BusinessCombinationsPolicy_5DE6C4DC624408B1E07B9E554105E31F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TradeAndOtherAccountsReceivablePolicy" xlink:label="loc_us-gaap_TradeAndOtherAccountsReceivablePolicy_4F649820D127B34176D19E554105DF6A" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_9063D1B151C6A7F078149E554105D47F" xlink:to="loc_us-gaap_TradeAndOtherAccountsReceivablePolicy_4F649820D127B34176D19E554105DF6A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InventoryPolicyTextBlock" xlink:label="loc_us-gaap_InventoryPolicyTextBlock_06706367B08828F7C20B9E554106FD8E" xlink:type="locator" />
    <link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_9063D1B151C6A7F078149E554105D47F" xlink:to="loc_us-gaap_InventoryPolicyTextBlock_06706367B08828F7C20B9E554106FD8E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueOfFinancialInstrumentsPolicy" xlink:label="loc_us-gaap_FairValueOfFinancialInstrumentsPolicy_FB06886F973835FA725B9E55410622A5" xlink:type="locator" />
    <link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_9063D1B151C6A7F078149E554105D47F" xlink:to="loc_us-gaap_FairValueOfFinancialInstrumentsPolicy_FB06886F973835FA725B9E55410622A5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ReceivablesPolicyTextBlock" xlink:label="loc_us-gaap_ReceivablesPolicyTextBlock_C85C3F6214B5CD1BEC1B9E55410638B1" xlink:type="locator" />
    <link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_9063D1B151C6A7F078149E554105D47F" xlink:to="loc_us-gaap_ReceivablesPolicyTextBlock_C85C3F6214B5CD1BEC1B9E55410638B1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EarningsPerSharePolicyTextBlock" xlink:label="loc_us-gaap_EarningsPerSharePolicyTextBlock_D2B8C2A598563EC48F869E55410672B8" xlink:type="locator" />
    <link:presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_9063D1B151C6A7F078149E554105D47F" xlink:to="loc_us-gaap_EarningsPerSharePolicyTextBlock_D2B8C2A598563EC48F869E55410672B8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy" xlink:label="loc_us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy_A70FEFFE2FFE2A9EE87C9E554106A640" xlink:type="locator" />
    <link:presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_9063D1B151C6A7F078149E554105D47F" xlink:to="loc_us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy_A70FEFFE2FFE2A9EE87C9E554106A640" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.liquidityservices.com/role/SummaryOfSignificantAccountingPoliciesTables" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccountingPoliciesAbstract" xlink:label="loc_us-gaap_AccountingPoliciesAbstract_674B19CFCE79989F873E9E55406E1FB4" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_4349EC98BBFE14D8E5579E55406EBC45" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_674B19CFCE79989F873E9E55406E1FB4" xlink:to="loc_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_4349EC98BBFE14D8E5579E55406EBC45" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.liquidityservices.com/role/UnauditedConsolidatedStatementOfChangesInStockholdersEquity" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementOfStockholdersEquityAbstract" xlink:label="loc_us-gaap_StatementOfStockholdersEquityAbstract_F2BD13FA46F4440CEAF2A442121258A3" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_FF113A1900DF4D954427A44212120500" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfStockholdersEquityAbstract_F2BD13FA46F4440CEAF2A442121258A3" xlink:to="loc_us-gaap_StatementTable_FF113A1900DF4D954427A44212120500" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_E4855966CD5770D615F9A4421213D1CC" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_FF113A1900DF4D954427A44212120500" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_E4855966CD5770D615F9A4421213D1CC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_6E99BF159FA0A6E7CA1AA4421213231C" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_E4855966CD5770D615F9A4421213D1CC" xlink:to="loc_us-gaap_EquityComponentDomain_6E99BF159FA0A6E7CA1AA4421213231C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CommonStockMember" xlink:label="loc_us-gaap_CommonStockMember_4DFAAF93922CFD3B5A06A4421213AB7A" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_6E99BF159FA0A6E7CA1AA4421213231C" xlink:to="loc_us-gaap_CommonStockMember_4DFAAF93922CFD3B5A06A4421213AB7A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AdditionalPaidInCapitalMember" xlink:label="loc_us-gaap_AdditionalPaidInCapitalMember_9A5115E9F4AA71C01BAEA4421213C48A" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_6E99BF159FA0A6E7CA1AA4421213231C" xlink:to="loc_us-gaap_AdditionalPaidInCapitalMember_9A5115E9F4AA71C01BAEA4421213C48A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_200D861D785768C9FF8BA4421214056E" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_6E99BF159FA0A6E7CA1AA4421213231C" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_200D861D785768C9FF8BA4421214056E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RetainedEarningsMember" xlink:label="loc_us-gaap_RetainedEarningsMember_E9F3748A811D5F562F27A4421214F744" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_6E99BF159FA0A6E7CA1AA4421213231C" xlink:to="loc_us-gaap_RetainedEarningsMember_E9F3748A811D5F562F27A4421214F744" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_872B6F2959051C62B2B8A4421214CCBA" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_FF113A1900DF4D954427A44212120500" xlink:to="loc_us-gaap_StatementLineItems_872B6F2959051C62B2B8A4421214CCBA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInStockholdersEquityRollForward" xlink:label="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_7EE7203F585872E73DFFA44212141DF8" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_872B6F2959051C62B2B8A4421214CCBA" xlink:to="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_7EE7203F585872E73DFFA44212141DF8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="loc_us-gaap_StockholdersEquity_1C75DA747BA5F8CD32BAA442121419E4" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_7EE7203F585872E73DFFA44212141DF8" xlink:to="loc_us-gaap_StockholdersEquity_1C75DA747BA5F8CD32BAA442121419E4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SharesIssued" xlink:label="loc_us-gaap_SharesIssued_06DD1AB80E4026DC6B6AA4421214FC4E" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_7EE7203F585872E73DFFA44212141DF8" xlink:to="loc_us-gaap_SharesIssued_06DD1AB80E4026DC6B6AA4421214FC4E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation_ECB814452559A7DA092BA44212150EA1" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_7EE7203F585872E73DFFA44212141DF8" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation_ECB814452559A7DA092BA44212150EA1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_EB628A852EAD87C09B65A442121562BB" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_7EE7203F585872E73DFFA44212141DF8" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_EB628A852EAD87C09B65A442121562BB" xlink:type="arc" />
    <link:loc xlink:href="lqdt-20170630.xsd#lqdt_AdjustmentToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValueAndIncomeTaxEffectFromShareBasedCompensationNet" xlink:label="loc_lqdt_AdjustmentToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValueAndIncomeTaxEffectFromShareBasedCompensationNet_0FCEBA50FB4CEB4CE611A4421215BBA1" xlink:type="locator" />
    <link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_7EE7203F585872E73DFFA44212141DF8" xlink:to="loc_lqdt_AdjustmentToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValueAndIncomeTaxEffectFromShareBasedCompensationNet_0FCEBA50FB4CEB4CE611A4421215BBA1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" xlink:label="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_44A6BF0868BE81808163A44212156099" xlink:type="locator" />
    <link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_7EE7203F585872E73DFFA44212141DF8" xlink:to="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_44A6BF0868BE81808163A44212156099" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent" xlink:label="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent_B1E3BFC960592A040310A4421215CDA1" xlink:type="locator" />
    <link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_7EE7203F585872E73DFFA44212141DF8" xlink:to="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent_B1E3BFC960592A040310A4421215CDA1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="loc_us-gaap_StockholdersEquity_3B1535A6E4FC6E131602A442121570CA" xlink:type="locator" />
    <link:presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_7EE7203F585872E73DFFA44212141DF8" xlink:to="loc_us-gaap_StockholdersEquity_3B1535A6E4FC6E131602A442121570CA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SharesIssued" xlink:label="loc_us-gaap_SharesIssued_8318FDE595F1400DC066A4421215BAA5" xlink:type="locator" />
    <link:presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_7EE7203F585872E73DFFA44212141DF8" xlink:to="loc_us-gaap_SharesIssued_8318FDE595F1400DC066A4421215BAA5" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.liquidityservices.com/role/UnauditedConsolidatedStatementsOfCashFlows" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementOfCashFlowsAbstract" xlink:label="loc_us-gaap_StatementOfCashFlowsAbstract_4B9185050C0D4BF15DDCA4421203C7F8" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_F890E7E5011A615E467AA4421204514E" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_4B9185050C0D4BF15DDCA4421203C7F8" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_F890E7E5011A615E467AA4421204514E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" xlink:label="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_ACAAC829F6A64EE8ACC1A4421204127C" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_F890E7E5011A615E467AA4421204514E" xlink:to="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_ACAAC829F6A64EE8ACC1A4421204127C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_EFD7E25E3F977443CE11A4421204C285" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_F890E7E5011A615E467AA4421204514E" xlink:to="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_EFD7E25E3F977443CE11A4421204C285" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DepreciationAndAmortization" xlink:label="loc_us-gaap_DepreciationAndAmortization_9523B656DAE906AC6B09A4421205A333" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_EFD7E25E3F977443CE11A4421204C285" xlink:to="loc_us-gaap_DepreciationAndAmortization_9523B656DAE906AC6B09A4421205A333" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensation" xlink:label="loc_us-gaap_ShareBasedCompensation_DF7BA6AEA68B18025668A442120513A8" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_EFD7E25E3F977443CE11A4421204C285" xlink:to="loc_us-gaap_ShareBasedCompensation_DF7BA6AEA68B18025668A442120513A8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InventoryWriteDown" xlink:label="loc_us-gaap_InventoryWriteDown_036F380D58E2104C6C33A44212054F50" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_EFD7E25E3F977443CE11A4421204C285" xlink:to="loc_us-gaap_InventoryWriteDown_036F380D58E2104C6C33A44212054F50" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProvisionForDoubtfulAccounts" xlink:label="loc_us-gaap_ProvisionForDoubtfulAccounts_66F236A5D708937EEC89A44212059A15" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_EFD7E25E3F977443CE11A4421204C285" xlink:to="loc_us-gaap_ProvisionForDoubtfulAccounts_66F236A5D708937EEC89A44212059A15" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_3F0D53C274AB8F817F29A442120573E5" xlink:type="locator" />
    <link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_EFD7E25E3F977443CE11A4421204C285" xlink:to="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_3F0D53C274AB8F817F29A442120573E5" xlink:type="arc" />
    <link:loc xlink:href="lqdt-20170630.xsd#lqdt_ExcessTaxCostFromShareBasedCompensationOperatingActivities" xlink:label="loc_lqdt_ExcessTaxCostFromShareBasedCompensationOperatingActivities_ECFAB76BF32C49CDE4D0A4421205361C" xlink:type="locator" />
    <link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_EFD7E25E3F977443CE11A4421204C285" xlink:to="loc_lqdt_ExcessTaxCostFromShareBasedCompensationOperatingActivities_ECFAB76BF32C49CDE4D0A4421205361C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ImpairmentOfLongLivedAssetsHeldForUse" xlink:label="loc_us-gaap_ImpairmentOfLongLivedAssetsHeldForUse_DE58685FF15EC48392D5A447347610D6" xlink:type="locator" />
    <link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_EFD7E25E3F977443CE11A4421204C285" xlink:to="loc_us-gaap_ImpairmentOfLongLivedAssetsHeldForUse_DE58685FF15EC48392D5A447347610D6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss_18B8405A3C2665AF7566A4421206CAFA" xlink:type="locator" />
    <link:presentationArc order="8" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_EFD7E25E3F977443CE11A4421204C285" xlink:to="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss_18B8405A3C2665AF7566A4421206CAFA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:label="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_47E442FE51C6EF7EF218A4421206E248" xlink:type="locator" />
    <link:presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_EFD7E25E3F977443CE11A4421204C285" xlink:to="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_47E442FE51C6EF7EF218A4421206E248" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_4EB08163B753566161FEA44212060FD7" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_47E442FE51C6EF7EF218A4421206E248" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_4EB08163B753566161FEA44212060FD7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInInventories" xlink:label="loc_us-gaap_IncreaseDecreaseInInventories_E8317694B1E9DFD4D36BA44212065224" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_47E442FE51C6EF7EF218A4421206E248" xlink:to="loc_us-gaap_IncreaseDecreaseInInventories_E8317694B1E9DFD4D36BA44212065224" xlink:type="arc" />
    <link:loc xlink:href="lqdt-20170630.xsd#lqdt_IncreaseDecreaseInPrepaidTaxesAndDeferredIncomeTaxExpenseBenefit" xlink:label="loc_lqdt_IncreaseDecreaseInPrepaidTaxesAndDeferredIncomeTaxExpenseBenefit_59A49AAE053AF33E6E12A4421207B8F3" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" priority="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_47E442FE51C6EF7EF218A4421206E248" xlink:to="loc_lqdt_IncreaseDecreaseInPrepaidTaxesAndDeferredIncomeTaxExpenseBenefit_59A49AAE053AF33E6E12A4421207B8F3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets" xlink:label="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_49A628B9FC68046B96DBA4421207E1F3" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_47E442FE51C6EF7EF218A4421206E248" xlink:to="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_49A628B9FC68046B96DBA4421207E1F3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayable" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayable_54BCC7646C783CD94669A44212077710" xlink:type="locator" />
    <link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_47E442FE51C6EF7EF218A4421206E248" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsPayable_54BCC7646C783CD94669A44212077710" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities" xlink:label="loc_us-gaap_IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities_80A92526696B998A52FAA4421207BC18" xlink:type="locator" />
    <link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_47E442FE51C6EF7EF218A4421206E248" xlink:to="loc_us-gaap_IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities_80A92526696B998A52FAA4421207BC18" xlink:type="arc" />
    <link:loc xlink:href="lqdt-20170630.xsd#lqdt_IncreaseDecreaseInProfitSharingDistributionsPayable" xlink:label="loc_lqdt_IncreaseDecreaseInProfitSharingDistributionsPayable_4DC8C14AA892A8A13824A4421207BAE5" xlink:type="locator" />
    <link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_47E442FE51C6EF7EF218A4421206E248" xlink:to="loc_lqdt_IncreaseDecreaseInProfitSharingDistributionsPayable_4DC8C14AA892A8A13824A4421207BAE5" xlink:type="arc" />
    <link:loc xlink:href="lqdt-20170630.xsd#lqdt_IncreaseDecreaseInCustomerPayables" xlink:label="loc_lqdt_IncreaseDecreaseInCustomerPayables_DCF9FA12B88A6EC7EDC6A4421207815A" xlink:type="locator" />
    <link:presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_47E442FE51C6EF7EF218A4421206E248" xlink:to="loc_lqdt_IncreaseDecreaseInCustomerPayables_DCF9FA12B88A6EC7EDC6A4421207815A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInOtherOperatingLiabilities" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_A96D5F672578C9F894C6A4421208CA13" xlink:type="locator" />
    <link:presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_47E442FE51C6EF7EF218A4421206E248" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_A96D5F672578C9F894C6A4421208CA13" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_0AC6041F818DA0620D87A44212082CDC" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_F890E7E5011A615E467AA4421204514E" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_0AC6041F818DA0620D87A44212082CDC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_A8B4AB5E501E82C89625A4421208F8C5" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_4B9185050C0D4BF15DDCA4421203C7F8" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_A8B4AB5E501E82C89625A4421208F8C5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInIntangibleAssetsCurrent" xlink:label="loc_us-gaap_IncreaseDecreaseInIntangibleAssetsCurrent_2FD437F3E9FC5EBB0F4CA4421208369E" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" priority="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_A8B4AB5E501E82C89625A4421208F8C5" xlink:to="loc_us-gaap_IncreaseDecreaseInIntangibleAssetsCurrent_2FD437F3E9FC5EBB0F4CA4421208369E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_6675257274652AF5D470A4421208F28C" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" priority="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_A8B4AB5E501E82C89625A4421208F8C5" xlink:to="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_6675257274652AF5D470A4421208F28C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_D0B062558A6668472CE9A4421208841B" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_A8B4AB5E501E82C89625A4421208F8C5" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_D0B062558A6668472CE9A4421208841B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_38C8775B1EBA58F523E7A442120928C3" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_4B9185050C0D4BF15DDCA4421203C7F8" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_38C8775B1EBA58F523E7A442120928C3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProceedsFromStockOptionsExercised" xlink:label="loc_us-gaap_ProceedsFromStockOptionsExercised_E1D3436C85B627733BA5A4421209AED7" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_38C8775B1EBA58F523E7A442120928C3" xlink:to="loc_us-gaap_ProceedsFromStockOptionsExercised_E1D3436C85B627733BA5A4421209AED7" xlink:type="arc" />
    <link:loc xlink:href="lqdt-20170630.xsd#lqdt_ExcessTaxProvisionFromShareBasedCompensationFinancingActivities" xlink:label="loc_lqdt_ExcessTaxProvisionFromShareBasedCompensationFinancingActivities_3C0FCC4BAB84F131C35BA4421209D936" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" priority="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_38C8775B1EBA58F523E7A442120928C3" xlink:to="loc_lqdt_ExcessTaxProvisionFromShareBasedCompensationFinancingActivities_3C0FCC4BAB84F131C35BA4421209D936" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_263E78A7BD831748C292A44212097299" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_38C8775B1EBA58F523E7A442120928C3" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_263E78A7BD831748C292A44212097299" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents" xlink:label="loc_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents_2349691B6EA15E85A10EA442120969A1" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_4B9185050C0D4BF15DDCA4421203C7F8" xlink:to="loc_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents_2349691B6EA15E85A10EA442120969A1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:label="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_FE6E940BE20AD3E57A09A442120ABD45" xlink:type="locator" />
    <link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_4B9185050C0D4BF15DDCA4421203C7F8" xlink:to="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_FE6E940BE20AD3E57A09A442120ABD45" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_9C63ACFFECEE5514207BA442120A897B" xlink:type="locator" />
    <link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_4B9185050C0D4BF15DDCA4421203C7F8" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_9C63ACFFECEE5514207BA442120A897B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_11B3F19138CF7841253BA442120A51C6" xlink:type="locator" />
    <link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_4B9185050C0D4BF15DDCA4421203C7F8" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_11B3F19138CF7841253BA442120A51C6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SupplementalCashFlowInformationAbstract" xlink:label="loc_us-gaap_SupplementalCashFlowInformationAbstract_C5A8BA3DE053E4E225A1A442120A222B" xlink:type="locator" />
    <link:presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_4B9185050C0D4BF15DDCA4421203C7F8" xlink:to="loc_us-gaap_SupplementalCashFlowInformationAbstract_C5A8BA3DE053E4E225A1A442120A222B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeTaxesPaidNet" xlink:label="loc_us-gaap_IncomeTaxesPaidNet_E8CEE843170CD18E117DA442120A407D" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SupplementalCashFlowInformationAbstract_C5A8BA3DE053E4E225A1A442120A222B" xlink:to="loc_us-gaap_IncomeTaxesPaidNet_E8CEE843170CD18E117DA442120A407D" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.liquidityservices.com/role/UnauditedConsolidatedStatementsOfComprehensiveLoss" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract" xlink:label="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_D4AD7EB05CD9599A9A78A4CB065BC59C" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" xlink:label="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_0D6DCBADDABD7AC4216FA4CB065B1A48" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_D4AD7EB05CD9599A9A78A4CB065BC59C" xlink:to="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_0D6DCBADDABD7AC4216FA4CB065B1A48" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_428BDF9752772B83C99BA4CB065C2A8C" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_D4AD7EB05CD9599A9A78A4CB065BC59C" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_428BDF9752772B83C99BA4CB065C2A8C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent" xlink:label="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent_1F5BBD098A6B0BEFCD0DA4CB065C6A59" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_428BDF9752772B83C99BA4CB065C2A8C" xlink:to="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent_1F5BBD098A6B0BEFCD0DA4CB065C6A59" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_5483600C741EE80F22CAA4CB065CD630" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_428BDF9752772B83C99BA4CB065C2A8C" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_5483600C741EE80F22CAA4CB065CD630" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTax" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_15DF2BC753468F0E08F9A4CB065CFC0D" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_D4AD7EB05CD9599A9A78A4CB065BC59C" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTax_15DF2BC753468F0E08F9A4CB065CFC0D" xlink:type="arc" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://www.liquidityservices.com/role/UnauditedConsolidatedStatementsOfOperations" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeStatementAbstract" xlink:label="loc_us-gaap_IncomeStatementAbstract_C72C10D95E34CE026B1EA4FD5BAA4F16" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_C1AB3FB6C69058F12B57A4FD5BAA7D3E" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_C72C10D95E34CE026B1EA4FD5BAA4F16" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_C1AB3FB6C69058F12B57A4FD5BAA7D3E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SalesRevenueGoodsNet" xlink:label="loc_us-gaap_SalesRevenueGoodsNet_456517658B388357A510A4FD5BAF62BD" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_C72C10D95E34CE026B1EA4FD5BAA4F16" xlink:to="loc_us-gaap_SalesRevenueGoodsNet_456517658B388357A510A4FD5BAF62BD" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SalesRevenueServicesNet" xlink:label="loc_us-gaap_SalesRevenueServicesNet_F0D19E7CA55DD12E9E99A4FD5BAF843C" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_C72C10D95E34CE026B1EA4FD5BAA4F16" xlink:to="loc_us-gaap_SalesRevenueServicesNet_F0D19E7CA55DD12E9E99A4FD5BAF843C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SalesRevenueNet" xlink:label="loc_us-gaap_SalesRevenueNet_118F715A7DA01306707EA4FD5BB0DD8F" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_C72C10D95E34CE026B1EA4FD5BAA4F16" xlink:to="loc_us-gaap_SalesRevenueNet_118F715A7DA01306707EA4FD5BB0DD8F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CostsAndExpensesAbstract" xlink:label="loc_us-gaap_CostsAndExpensesAbstract_8277473A649A626A6260A4FD5BB0853B" xlink:type="locator" />
    <link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_C72C10D95E34CE026B1EA4FD5BAA4F16" xlink:to="loc_us-gaap_CostsAndExpensesAbstract_8277473A649A626A6260A4FD5BB0853B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CostOfGoodsSold" xlink:label="loc_us-gaap_CostOfGoodsSold_A794E922F68345907785A4FD5BB0E117" xlink:type="locator" />
    <link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CostsAndExpensesAbstract_8277473A649A626A6260A4FD5BB0853B" xlink:to="loc_us-gaap_CostOfGoodsSold_A794E922F68345907785A4FD5BB0E117" xlink:type="arc" />
    <link:loc xlink:href="lqdt-20170630.xsd#lqdt_ProfitSharingDistributions" xlink:label="loc_lqdt_ProfitSharingDistributions_AE71E467009F05079A9FA4FD5BB08A4C" xlink:type="locator" />
    <link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CostsAndExpensesAbstract_8277473A649A626A6260A4FD5BB0853B" xlink:to="loc_lqdt_ProfitSharingDistributions_AE71E467009F05079A9FA4FD5BB08A4C" xlink:type="arc" />
    <link:loc xlink:href="lqdt-20170630.xsd#lqdt_TechnologyAndOperation" xlink:label="loc_lqdt_TechnologyAndOperation_4B771376DE596172733BA4FD5BB0D825" xlink:type="locator" />
    <link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CostsAndExpensesAbstract_8277473A649A626A6260A4FD5BB0853B" xlink:to="loc_lqdt_TechnologyAndOperation_4B771376DE596172733BA4FD5BB0D825" xlink:type="arc" />
    <link:loc xlink:href="lqdt-20170630.xsd#lqdt_SalesAndMarketing" xlink:label="loc_lqdt_SalesAndMarketing_5E53C1F29A2BA776C2A9A4FD5BB065A9" xlink:type="locator" />
    <link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CostsAndExpensesAbstract_8277473A649A626A6260A4FD5BB0853B" xlink:to="loc_lqdt_SalesAndMarketing_5E53C1F29A2BA776C2A9A4FD5BB065A9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_GeneralAndAdministrativeExpense" xlink:label="loc_us-gaap_GeneralAndAdministrativeExpense_02AD372FE8195D5C1DB3A4FD5BB06894" xlink:type="locator" />
    <link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CostsAndExpensesAbstract_8277473A649A626A6260A4FD5BB0853B" xlink:to="loc_us-gaap_GeneralAndAdministrativeExpense_02AD372FE8195D5C1DB3A4FD5BB06894" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DepreciationAndAmortization" xlink:label="loc_us-gaap_DepreciationAndAmortization_16189B18CB8A1002732FA4FD5BB0C7EE" xlink:type="locator" />
    <link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CostsAndExpensesAbstract_8277473A649A626A6260A4FD5BB0853B" xlink:to="loc_us-gaap_DepreciationAndAmortization_16189B18CB8A1002732FA4FD5BB0C7EE" xlink:type="arc" />
    <link:loc xlink:href="lqdt-20170630.xsd#lqdt_AcquisitionCostsAndGoodwillImpairment" xlink:label="loc_lqdt_AcquisitionCostsAndGoodwillImpairment_A644F1C2D42EF710CF3FA4FD5BB0340A" xlink:type="locator" />
    <link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CostsAndExpensesAbstract_8277473A649A626A6260A4FD5BB0853B" xlink:to="loc_lqdt_AcquisitionCostsAndGoodwillImpairment_A644F1C2D42EF710CF3FA4FD5BB0340A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CostsAndExpenses" xlink:label="loc_us-gaap_CostsAndExpenses_CFA452B992AF537C7388A4FD5BB0AE9E" xlink:type="locator" />
    <link:presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CostsAndExpensesAbstract_8277473A649A626A6260A4FD5BB0853B" xlink:to="loc_us-gaap_CostsAndExpenses_CFA452B992AF537C7388A4FD5BB0AE9E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherOperatingIncomeExpenseNet" xlink:label="loc_us-gaap_OtherOperatingIncomeExpenseNet_AEE6294ADEB7DA10F233A4FD5BB1D14E" xlink:type="locator" />
    <link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_C72C10D95E34CE026B1EA4FD5BAA4F16" xlink:to="loc_us-gaap_OtherOperatingIncomeExpenseNet_AEE6294ADEB7DA10F233A4FD5BB1D14E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="loc_us-gaap_OperatingIncomeLoss_C8F1CA7A141694E2945DA4FD5BB13482" xlink:type="locator" />
    <link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_C72C10D95E34CE026B1EA4FD5BAA4F16" xlink:to="loc_us-gaap_OperatingIncomeLoss_C8F1CA7A141694E2945DA4FD5BB13482" xlink:type="arc" />
    <link:loc xlink:href="lqdt-20170630.xsd#lqdt_OtherNonoperatingIncomeExpenseNet" xlink:label="loc_lqdt_OtherNonoperatingIncomeExpenseNet_D9BC6612E78FAA7B6783A4FD5BB197E5" xlink:type="locator" />
    <link:presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_C72C10D95E34CE026B1EA4FD5BAA4F16" xlink:to="loc_lqdt_OtherNonoperatingIncomeExpenseNet_D9BC6612E78FAA7B6783A4FD5BB197E5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_DB210A1CC45C99AC5602A4FD5BB1963D" xlink:type="locator" />
    <link:presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_C72C10D95E34CE026B1EA4FD5BAA4F16" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_DB210A1CC45C99AC5602A4FD5BB1963D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_623BE8D83736B21E82EFA4FD5BB12F50" xlink:type="locator" />
    <link:presentationArc order="10" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_C72C10D95E34CE026B1EA4FD5BAA4F16" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_623BE8D83736B21E82EFA4FD5BB12F50" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" xlink:label="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_D86144E18CAD6ECF0A33A4FD5BB1F8D6" xlink:type="locator" />
    <link:presentationArc order="11" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_C72C10D95E34CE026B1EA4FD5BAA4F16" xlink:to="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_D86144E18CAD6ECF0A33A4FD5BB1F8D6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EarningsPerShareBasicAndDiluted" xlink:label="loc_us-gaap_EarningsPerShareBasicAndDiluted_C33688DF266B3FB83730A4FD5BB1904B" xlink:type="locator" />
    <link:presentationArc order="12" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_C72C10D95E34CE026B1EA4FD5BAA4F16" xlink:to="loc_us-gaap_EarningsPerShareBasicAndDiluted_C33688DF266B3FB83730A4FD5BB1904B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted" xlink:label="loc_us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted_8B937EEF71A275D72EBEA4FD5BB16288" xlink:type="locator" />
    <link:presentationArc order="13" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_C72C10D95E34CE026B1EA4FD5BAA4F16" xlink:to="loc_us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted_8B937EEF71A275D72EBEA4FD5BB16288" xlink:type="arc" />
  </link:presentationLink>
</link:linkbase>