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  <xs:element id="alti_OtherLiabilitiesMiscellaneous" abstract="false" name="OtherLiabilitiesMiscellaneous" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alti_CashFlowLesseeAbstract" abstract="true" name="CashFlowLesseeAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="alti_CashFlowNoncashActivityLesseeAbstract" abstract="true" name="CashFlowNoncashActivityLesseeAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="alti_LesseeOperatingLeaseLiabilityToBePaidAfterYearFour" abstract="false" name="LesseeOperatingLeaseLiabilityToBePaidAfterYearFour" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alti_WealthManagementSegmentMember" abstract="true" name="WealthManagementSegmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="alti_StrategicAlternativesSegmentMember" abstract="true" name="StrategicAlternativesSegmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="alti_GoodwillResegmentation" abstract="false" name="GoodwillResegmentation" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alti_CreditFacilityMember" abstract="true" name="CreditFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="alti_LineOfCreditFacilityAccordionFeatureAdditionalBorrowingCapacityOption" abstract="false" name="LineOfCreditFacilityAccordionFeatureAdditionalBorrowingCapacityOption" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alti_LineOfCreditFacilityAccordionFeatureMaximumBorrowingCapacity" abstract="false" name="LineOfCreditFacilityAccordionFeatureMaximumBorrowingCapacity" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alti_LineOfCreditFacilityUnfundedCommitmentAmount" abstract="false" name="LineOfCreditFacilityUnfundedCommitmentAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alti_LineOfCreditFacilityRepaymentCovenantOutstandingBalanceThreshold" abstract="false" name="LineOfCreditFacilityRepaymentCovenantOutstandingBalanceThreshold" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alti_DebtInstrumentIncreaseInBasisSpreadOnVariableRate" abstract="false" name="DebtInstrumentIncreaseInBasisSpreadOnVariableRate" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="alti_DefinedContributionPlanCostPayable" abstract="false" name="DefinedContributionPlanCostPayable" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alti_TMWHTIGGPAndTIGMGMTMembersMember" abstract="true" name="TMWHTIGGPAndTIGMGMTMembersMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="alti_TIGMember" abstract="true" name="TIGMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="alti_TWMHMembersTIGGPMembersAndTIGMGMTMembersMember" abstract="true" name="TWMHMembersTIGGPMembersAndTIGMGMTMembersMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="alti_NonControllingInterestHoldersTaxReceivableAgreementsMember" abstract="true" name="NonControllingInterestHoldersTaxReceivableAgreementsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="alti_TWMHTIGGPAndTIGMGMTMembersAndAlvariumShareholdersEarnOutMember" abstract="true" name="TWMHTIGGPAndTIGMGMTMembersAndAlvariumShareholdersEarnOutMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="alti_ContractWithCustomerReceivableAfterAllowanceForCreditLossMember" abstract="true" name="ContractWithCustomerReceivableAfterAllowanceForCreditLossMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="alti_DelayedSharePurchaseAgreementMember" abstract="true" name="DelayedSharePurchaseAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="alti_BusinessCombinationContingentConsiderationLiabilityMember" abstract="true" name="BusinessCombinationContingentConsiderationLiabilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="alti_WarrantsAndRightsOutstandingMember" abstract="true" name="WarrantsAndRightsOutstandingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="alti_TWMHMembersMember" abstract="true" name="TWMHMembersMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="alti_CertainTWMHMemberMember" abstract="true" name="CertainTWMHMemberMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="alti_PromissoryNotesMember" abstract="true" name="PromissoryNotesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="alti_DebtInstrumentFaceAmountWithDebtForgivenessProvision" abstract="false" name="DebtInstrumentFaceAmountWithDebtForgivenessProvision" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alti_DebtInstrumentForgivenessInitialPeriodToDetermineIfPrincipalAndInterestWillBeForgivenNumberOfPeriods" abstract="false" name="DebtInstrumentForgivenessInitialPeriodToDetermineIfPrincipalAndInterestWillBeForgivenNumberOfPeriods" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="alti_DebtInstrumentForgivenessPercentageOfPrincipalAndAccruedInterest" abstract="false" name="DebtInstrumentForgivenessPercentageOfPrincipalAndAccruedInterest" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="alti_DebtConversionDueDateTerminationOfEmployment" abstract="false" name="DebtConversionDueDateTerminationOfEmployment" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="alti_DebtInstrumentFaceAmountWithoutDebtForgivenessProvision" abstract="false" name="DebtInstrumentFaceAmountWithoutDebtForgivenessProvision" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alti_DelayedSharePurchaseAgreementShareAndCashCompensation" abstract="false" name="DelayedSharePurchaseAgreementShareAndCashCompensation" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alti_CompensationAndEmployeeBenefitsMember" abstract="true" name="CompensationAndEmployeeBenefitsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="alti_TaxReceivableAgreementPaymentPercentageOfTaxBenefitReceived" abstract="false" name="TaxReceivableAgreementPaymentPercentageOfTaxBenefitReceived" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="alti_TaxReceivableAgreementAdministeringCostsAndExpensesPercentageOfObligationOfCompany" abstract="false" name="TaxReceivableAgreementAdministeringCostsAndExpensesPercentageOfObligationOfCompany" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="alti_TaxReceivableAgreementAdministeringCostsAndExpensesPercentageOfObligationOfAffiliatedEntity" abstract="false" name="TaxReceivableAgreementAdministeringCostsAndExpensesPercentageOfObligationOfAffiliatedEntity" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="alti_TaxReceivableAgreementLiabilityCarryingValue" abstract="false" name="TaxReceivableAgreementLiabilityCarryingValue" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alti_TaxReceivableAgreementTaxPaymentsAndCashDistributions" abstract="false" name="TaxReceivableAgreementTaxPaymentsAndCashDistributions" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alti_ClassBCommonStockAndClassBUnitsMember" abstract="true" name="ClassBCommonStockAndClassBUnitsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="alti_EarnOutsMember" abstract="true" name="EarnOutsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="alti_ShareAwardsMember" abstract="true" name="ShareAwardsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="alti_ClassBUnitsMember" abstract="true" name="ClassBUnitsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="alti_SponsorAndSellingShareholdersOfTWMHTIGAndAlvariumMember" abstract="true" name="SponsorAndSellingShareholdersOfTWMHTIGAndAlvariumMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="alti_EarnoutSecuritiesMember" abstract="true" name="EarnoutSecuritiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="alti_EarnoutSharesTrancheOneMember" abstract="true" name="EarnoutSharesTrancheOneMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="alti_EarnoutSharesTrancheTwoMember" abstract="true" name="EarnoutSharesTrancheTwoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="alti_BusinessCombinationContingentConsiderationEquityNumberOfSharesIssuedToBeIssued" abstract="false" name="BusinessCombinationContingentConsiderationEquityNumberOfSharesIssuedToBeIssued" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="alti_BusinessCombinationContingentConsiderationEquityVolumeWeightedAveragePricePerShare" abstract="false" name="BusinessCombinationContingentConsiderationEquityVolumeWeightedAveragePricePerShare" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:perShareItemType"/>
  <xs:element id="alti_BusinessCombinationContingentConsiderationEquityVolumeWeightedAveragePricePerShareNumberOfTradingDays" abstract="false" name="BusinessCombinationContingentConsiderationEquityVolumeWeightedAveragePricePerShareNumberOfTradingDays" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="alti_BusinessCombinationContingentConsiderationEquityVolumeWeightedAveragePricePerShareNumberOfConsecutiveTradingDays" abstract="false" name="BusinessCombinationContingentConsiderationEquityVolumeWeightedAveragePricePerShareNumberOfConsecutiveTradingDays" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="alti_BusinessCombinationContingentConsiderationEquityVolumeWeightedAveragePricePerShareWithinClosingOfTransactionTerm" abstract="false" name="BusinessCombinationContingentConsiderationEquityVolumeWeightedAveragePricePerShareWithinClosingOfTransactionTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="alti_BusinessCombinationContingentConsiderationEquitySharesToBeIssuedPercent" abstract="false" name="BusinessCombinationContingentConsiderationEquitySharesToBeIssuedPercent" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="alti_LossContingencyDamagesSoughtPercentageOfLossesIncurredByPlaintiff" abstract="false" name="LossContingencyDamagesSoughtPercentageOfLossesIncurredByPlaintiff" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="alti_RealEstateInvestmentPercentageDeclineInValue" abstract="false" name="RealEstateInvestmentPercentageDeclineInValue" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="alti_CommonStockSharesOutstandingSubjectToForfeiture" abstract="false" name="CommonStockSharesOutstandingSubjectToForfeiture" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
</xs:schema>
