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<!-- Creation Date :2023-02-28T11:37:21.1440+00:00 -->
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  <xsd:element id="fa_SharesRepurchasedAbstract" name="SharesRepurchasedAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fa_AcceleratedAmortizationOfDeferredFinancingCosts" name="AcceleratedAmortizationOfDeferredFinancingCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="fa_Accumulatedunremittedforeignearnings" name="Accumulatedunremittedforeignearnings" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="fa_AdditionalAssociatedCost" name="AdditionalAssociatedCost" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="fa_AdditionalPaidInCapitalWithheldForTaxObligationsAndNetSettlementOfStockOptionExercise" name="AdditionalPaidInCapitalWithheldForTaxObligationsAndNetSettlementOfStockOptionExercise" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="fa_AdjustedIncomeLossBeforeInterestTaxesDepreciationAndAmortization" name="AdjustedIncomeLossBeforeInterestTaxesDepreciationAndAmortization" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="fa_AmortizingPrincipalPaymentRepayment" name="AmortizingPrincipalPaymentRepayment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="fa_AmountPurchasedUnderTheShareRepurchaseProgram" name="AmountPurchasedUnderTheShareRepurchaseProgram" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="fa_AmountRemainingOfAStockRepurchaseProgram" name="AmountRemainingOfAStockRepurchaseProgram" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="fa_AnnualGrossRevenueThreshhold" name="AnnualGrossRevenueThreshhold" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="fa_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCustomerLists" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCustomerLists" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="fa_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedTradeName" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedTradeName" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="fa_CapitalLeaseTerm" name="CapitalLeaseTerm" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="fa_CommonStockSharesAuthorizedPreStockSplit" name="CommonStockSharesAuthorizedPreStockSplit" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="fa_ConcentrationRiskNumberOfCustomers" name="ConcentrationRiskNumberOfCustomers" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="fa_CostOfServicesExcludingDepreciationAndAmortization" name="CostOfServicesExcludingDepreciationAndAmortization" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="fa_CustomerListsNet" name="CustomerListsNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="fa_CustomerRelatedIntangibleAssetsCurrent" name="CustomerRelatedIntangibleAssetsCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="fa_DebtInstrumentInterestRateReducedDuringPeriod" name="DebtInstrumentInterestRateReducedDuringPeriod" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="fa_DeferredTaxes" name="DeferredTaxes" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="fa_DescriptionOfBorrowingCapacityNotSubjectToNetLeverageRatioCovenant" name="DescriptionOfBorrowingCapacityNotSubjectToNetLeverageRatioCovenant" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="fa_DistributionsDeclaredToOptionHoldersButNotPaid" name="DistributionsDeclaredToOptionHoldersButNotPaid" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="fa_EffectiveIncomeTaxRateReconciliationTransactionCosts" name="EffectiveIncomeTaxRateReconciliationTransactionCosts" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="fa_EffectiveIncomeTaxRateReconciliationWithholdingTax" name="EffectiveIncomeTaxRateReconciliationWithholdingTax" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="fa_EmployeeStockPurchasePlanExpenses" name="EmployeeStockPurchasePlanExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="fa_EmployeeStockPurchasePlanPercent" name="EmployeeStockPurchasePlanPercent" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="fa_EstimatedFairValueOfTheUnderlyingUnit" name="EstimatedFairValueOfTheUnderlyingUnit" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="fa_ExchangedForCommonStockInTheCompany" name="ExchangedForCommonStockInTheCompany" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="fa_ExchangedForRestrictedStockInTheCompany" name="ExchangedForRestrictedStockInTheCompany" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="fa_FinanceAmortizationOfLeasedAssets" name="FinanceAmortizationOfLeasedAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="fa_FinanceLeaseCosts" name="FinanceLeaseCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="fa_FinanceLeaseLiabilityCurrentAndNoncurrent" name="FinanceLeaseLiabilityCurrentAndNoncurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="fa_FinancingCashFlowsFromFinanceLeases" name="FinancingCashFlowsFromFinanceLeases" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="fa_FixedLeaseCost" name="FixedLeaseCost" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="fa_GainLossDueToChangeInFairValueOfInterestRateSwaps" name="GainLossDueToChangeInFairValueOfInterestRateSwaps" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="fa_IndemnityLiability" name="IndemnityLiability" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="fa_LeaseLiability" name="LeaseLiability" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="fa_LeaseLiabilityPaymentsDue" name="LeaseLiabilityPaymentsDue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="fa_LeaseLiabilityPaymentsDueAfterYearFive" name="LeaseLiabilityPaymentsDueAfterYearFive" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="fa_LeaseLiabilityPaymentsDueYearFive" name="LeaseLiabilityPaymentsDueYearFive" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="fa_LeaseLiabilityPaymentsDueYearFour" name="LeaseLiabilityPaymentsDueYearFour" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="fa_LeaseLiabilityPaymentsDueYearThree" name="LeaseLiabilityPaymentsDueYearThree" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="fa_LeaseLiabilityPaymentsDueYearTwo" name="LeaseLiabilityPaymentsDueYearTwo" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="fa_LeaseLiabilityPaymentsRemainderOfFiscalYear" name="LeaseLiabilityPaymentsRemainderOfFiscalYear" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="fa_LesseeOperatingAndFinanceLeaseTermOfContract" name="LesseeOperatingAndFinanceLeaseTermOfContract" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="fa_LesseeOperatingAndFinanceLeaseTermOfContractInMajority" name="LesseeOperatingAndFinanceLeaseTermOfContractInMajority" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="fa_LesseeOperatingAndFinancingLeaseRenewalTerm" name="LesseeOperatingAndFinancingLeaseRenewalTerm" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="fa_MinorityInterestIncreaseFromContributionsByNoncontrollingInterestHolders" name="MinorityInterestIncreaseFromContributionsByNoncontrollingInterestHolders" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="fa_NetSettlementOfShareBasedCompensationPlanAwards" name="NetSettlementOfShareBasedCompensationPlanAwards" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="fa_NonCashImpairmentCharges" name="NonCashImpairmentCharges" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="fa_NonConvertibleDebtSecurities" name="NonConvertibleDebtSecurities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="fa_NonConvertibleDebtSecuritiesThreshhold" name="NonConvertibleDebtSecuritiesThreshhold" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="fa_NumberOfCustomers" name="NumberOfCustomers" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="fa_OfferingCostsIncludedInAccountsPayableAndAccruedExpensesAndOtherCurrentLiabilities" name="OfferingCostsIncludedInAccountsPayableAndAccruedExpensesAndOtherCurrentLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="fa_OfferingExpenses" name="OfferingExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="fa_OperatingCashFlowsFromFinanceLeases" name="OperatingCashFlowsFromFinanceLeases" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="fa_OptionToPurchaseAdditionalSharesOfCommonStock" name="OptionToPurchaseAdditionalSharesOfCommonStock" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="fa_OutstandingChecksInExcessOfFundsOnDeposits" name="OutstandingChecksInExcessOfFundsOnDeposits" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="fa_PaymentsOfStockOptionCall" name="PaymentsOfStockOptionCall" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="fa_PaymentsOnDeferredPurchaseAgreements" name="PaymentsOnDeferredPurchaseAgreements" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="fa_PercentageOfThresholdAmountOfNetAssets" name="PercentageOfThresholdAmountOfNetAssets" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="fa_PercentageOfThresholdDescribedUnderRuleNotApplied" name="PercentageOfThresholdDescribedUnderRuleNotApplied" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="fa_ProceedsFromLongTermDebt" name="ProceedsFromLongTermDebt" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="fa_ProfitInterestUnitShares" name="ProfitInterestUnitShares" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="fa_ResearchAndDevelopmentTaxCreditCarryForwardAmount" name="ResearchAndDevelopmentTaxCreditCarryForwardAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="fa_ResearchAndDevelopmentTaxCreditCarryForwardExpirationYear" name="ResearchAndDevelopmentTaxCreditCarryForwardExpirationYear" type="xbrli:gYearItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="fa_RevolvingCreditFacilityQuarterlyPaymentsPercentage" name="RevolvingCreditFacilityQuarterlyPaymentsPercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="fa_SecuritiesHeldByNonAfffiliatesThreshhold" name="SecuritiesHeldByNonAfffiliatesThreshhold" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="fa_SecurityHeldToNonAffiliates" name="SecurityHeldToNonAffiliates" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="fa_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExchangeForOptionInPeriod" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExchangeForOptionInPeriod" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="fa_ShareBasedCompensationArrangementsByShareBasedPaymentAwardIssuedInExchangedForOptionsInPeriodWeightedAverageExercisePrice" name="ShareBasedCompensationArrangementsByShareBasedPaymentAwardIssuedInExchangedForOptionsInPeriodWeightedAverageExercisePrice" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
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  <xsd:element id="fa_TaxCutsAndJobsActOfTwoThousandAndSeventeenInterestExpenseDeduction" name="TaxCutsAndJobsActOfTwoThousandAndSeventeenInterestExpenseDeduction" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
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  <xsd:element id="fa_TotalLabilitySettlementAndRelatedToAdministrativeFees" name="TotalLabilitySettlementAndRelatedToAdministrativeFees" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="fa_TotalLeaseAssets" name="TotalLeaseAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="fa_TotalLeaseLiabilities" name="TotalLeaseLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="fa_TradeNameNet" name="TradeNameNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="fa_TransactionExpensesChangeInControl" name="TransactionExpensesChangeInControl" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="fa_UnderwritingDiscountsAndCommissions" name="UnderwritingDiscountsAndCommissions" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="fa_WeightedAverageAmortizationPeriod" name="WeightedAverageAmortizationPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="fa_SummaryOfSignificantAccountingPoliciesLineItems" name="SummaryOfSignificantAccountingPoliciesLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fa_CapitalizedSoftwareAcquiredByBusinessCombinationMember" name="CapitalizedSoftwareAcquiredByBusinessCombinationMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fa_CapitalizedSoftwareDevelopedInternallyOrOtherwisePurchasedMember" name="CapitalizedSoftwareDevelopedInternallyOrOtherwisePurchasedMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fa_ClassALimitedPartnershipUnitsMember" name="ClassALimitedPartnershipUnitsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fa_ClassBAwardsMember" name="ClassBAwardsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fa_ClassBLimitedPartnershipUnitsMember" name="ClassBLimitedPartnershipUnitsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fa_ClassCAwardsMember" name="ClassCAwardsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fa_ClassCLimitedPartnershipUnitsMember" name="ClassCLimitedPartnershipUnitsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fa_CommonClassABCMember" name="CommonClassABCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fa_CorporateScreeningServicesLlcMember" name="CorporateScreeningServicesLlcMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fa_CostOfServicesMember" name="CostOfServicesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fa_DebtForgivenessAgreementMember" name="DebtForgivenessAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fa_EmployeeStockPurchasePlanMember" name="EmployeeStockPurchasePlanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fa_FastballHoldcoLPMember" name="FastballHoldcoLPMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fa_FinanceLeaseMember" name="FinanceLeaseMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fa_FirstAdvantageCorporationMember" name="FirstAdvantageCorporationMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fa_FirstPortionOfCommonStockMember" name="FirstPortionOfCommonStockMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fa_FormINineComplianceMember" name="FormINineComplianceMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fa_InternationalExceptUnitedStatesCanadaAndLatinAmericaMember" name="InternationalExceptUnitedStatesCanadaAndLatinAmericaMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fa_InternationalMember" name="InternationalMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fa_March2021UKAcquisitionMember" name="March2021UKAcquisitionMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fa_NoCustomersMember" name="NoCustomersMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fa_NovemberFollowOnMember" name="NovemberFollowOnMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fa_OneCustomerMember" name="OneCustomerMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fa_OperatingLeaseMember" name="OperatingLeaseMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fa_OperationsAndComprehensiveIncomeLossMember" name="OperationsAndComprehensiveIncomeLossMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fa_PredecessorFirstLienFacilityMember" name="PredecessorFirstLienFacilityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fa_PredecessorFirstLienMember" name="PredecessorFirstLienMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fa_PredecessorPeriodMember" name="PredecessorPeriodMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fa_PredecessorPlanMember" name="PredecessorPlanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fa_ProductAndTechnologyExpenseMember" name="ProductAndTechnologyExpenseMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fa_SecondPortionOfCommonStockMember" name="SecondPortionOfCommonStockMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fa_ShareRepurchaseProgramMember" name="ShareRepurchaseProgramMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fa_SilverLakeTransactionMember" name="SilverLakeTransactionMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fa_SuccessorFirstLienCreditFacilityMember" name="SuccessorFirstLienCreditFacilityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fa_SuccessorFirstLienMember" name="SuccessorFirstLienMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fa_SuccessorPeriodMember" name="SuccessorPeriodMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fa_SuccessorPlanMember" name="SuccessorPlanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fa_SuccessorRevolverMember" name="SuccessorRevolverMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fa_SuccessorSecondLienCreditFacilityMember" name="SuccessorSecondLienCreditFacilityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fa_SuccessorSecondLienMember" name="SuccessorSecondLienMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fa_SuccessorsMember" name="SuccessorsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fa_SymphonyTalentLlcMember" name="SymphonyTalentLlcMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fa_SymphonyTechnologyGroupMember" name="SymphonyTechnologyGroupMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fa_TermLoanDueJanuaryThirtyOneTwoThousandTwentyEightMember" name="TermLoanDueJanuaryThirtyOneTwoThousandTwentyEightMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fa_TermLoanDueJanuaryThirtyOneTwoThousandTwentySevenMember" name="TermLoanDueJanuaryThirtyOneTwoThousandTwentySevenMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fa_TwentyTwentyOneAcquisitionsMember" name="TwentyTwentyOneAcquisitionsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fa_TwoThousandTwentyOneEmployeeStockPurchasePlanMember" name="TwoThousandTwentyOneEmployeeStockPurchasePlanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fa_TwoThousandTwentyOneEquityPlanMember" name="TwoThousandTwentyOneEquityPlanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fa_RecentAccountingPronouncementsPolicyTextBlock" name="RecentAccountingPronouncementsPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="fa_SummaryOfSignificantAccountingPoliciesTable" name="SummaryOfSignificantAccountingPoliciesTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="fa_IntialPublicOfferingPolicyPolicyTextBlock" name="IntialPublicOfferingPolicyPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="fa_LesseeOperatingAndFinanceLeasesTextBlock" name="LesseeOperatingAndFinanceLeasesTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="fa_LesseeOperatingAndFinancingLeaseLiabilityMaturityTableTextBlock" name="LesseeOperatingAndFinancingLeaseLiabilityMaturityTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="fa_ReconciliationOfAdjustedEbitdaFromReportableSegmentsToConsolidatedNetIncomeLossTableTextBlock" name="ReconciliationOfAdjustedEbitdaFromReportableSegmentsToConsolidatedNetIncomeLossTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="fa_ScheduleOfCondensedIncomeStatementAndComprehensiveLossTableTextBlock" name="ScheduleOfCondensedIncomeStatementAndComprehensiveLossTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="fa_ScheduleOfShareBasedCompensationProfitsInterestUnitActivityTableTextBlock" name="ScheduleOfShareBasedCompensationProfitsInterestUnitActivityTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="fa_ScheduleOfShareRepurchaseActivityTableTextBlock" name="ScheduleOfShareRepurchaseActivityTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="fa_SummaryOfWeightedAverageLeaseTermAndDiscountRateOperatingLeaseAndFinancingLeaseTableTextBlock" name="SummaryOfWeightedAverageLeaseTermAndDiscountRateOperatingLeaseAndFinancingLeaseTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
</xsd:schema>
