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<!-- Creation Date :2023-10-26T08:09:00.0444+00:00 -->
<!-- Copyright (c) 2023 Donnelly Financial Solutions, Inc. All Rights Reserved. -->
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        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
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      </link:roleType>
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  <xsd:element id="wtw_FederalActionMember" name="FederalActionMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="wtw_SeniorNotesDue202105750Member" name="SeniorNotesDue202105750Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="wtw_LongTermServiceContractPeriod" name="LongTermServiceContractPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="wtw_SeniorNotesDue202902950Member" name="SeniorNotesDue202902950Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="wtw_DisposalGroupIncludingDiscontinuedOperationOtherOperatingExpense" name="DisposalGroupIncludingDiscontinuedOperationOtherOperatingExpense" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="wtw_BookOfBusinessSettlements" name="BookOfBusinessSettlements" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="wtw_DispositionsAbstract" name="DispositionsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="wtw_IncreaseDecreaseInProvisionForLiabilities" name="IncreaseDecreaseInProvisionForLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="wtw_CommingledFundsMember" name="CommingledFundsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="wtw_SalariesAndBenefitsMember" name="SalariesAndBenefitsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="wtw_DebtInstrumentInterestAccrualDateDescription" name="DebtInstrumentInterestAccrualDateDescription" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="wtw_MaximumExpectedServicePeriod" name="MaximumExpectedServicePeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="wtw_SeniorNotesDue202403600Member" name="SeniorNotesDue202403600Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="wtw_SeniorNotesDue202604400Member" name="SeniorNotesDue202604400Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="wtw_BusinessCombinationFiduciaryAssetsTransferred" name="BusinessCombinationFiduciaryAssetsTransferred" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="wtw_OtherDivestituresMember" name="OtherDivestituresMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="wtw_RollforwardOfLiabilityAssociatedWithCashBasedChargesTableTextBlock" name="RollforwardOfLiabilityAssociatedWithCashBasedChargesTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="wtw_AdjustmentsToAdditionalPaidInCapitalForeignCurrencyTranslationGainLoss" name="AdjustmentsToAdditionalPaidInCapitalForeignCurrencyTranslationGainLoss" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="wtw_AcquiredRenewalCommissionReceivableCurrent" name="AcquiredRenewalCommissionReceivableCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="wtw_OtherForeignPlansMember" name="OtherForeignPlansMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="wtw_WillisTowersWatsonPublicLimitedCompanyMember" name="WillisTowersWatsonPublicLimitedCompanyMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="wtw_UnrecognizedTaxBenefitsIncludingInterest" name="UnrecognizedTaxBenefitsIncludingInterest" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
</xsd:schema>
