<?xml version="1.0" encoding="UTF-8"?>
<edgarSubmission xmlns="http://www.sec.gov/edgar/ta/taonefiler">
  <schemaVersion>X0405</schemaVersion>
  <headerData>
    <submissionType>TA-1/A</submissionType>
    <filerInfo>
      <filer>
        <filerCredentials>
          <cik>0001502303</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
        <fileNumber>084-06416</fileNumber>
      </filer>
      <flags>
        <returnCopyFlag>false</returnCopyFlag>
      </flags>
      <liveTestFlag>LIVE</liveTestFlag>
    </filerInfo>
  </headerData>
  <formData>
    <registrant>
      <regulatoryAgency>SEC</regulatoryAgency>
      <entityName>TMX Investor Solutions Inc.</entityName>
      <previousEntityName>AST Investor Services Inc. (Canada)</previousEntityName>
      <finsNumber>343616</finsNumber>
      <principalOfficeAddress>
        <street1>100 Adelaide Street West</street1>
        <street2>Suite 300</street2>
        <city>Toronto</city>
        <stateOrCountry>A6</stateOrCountry>
        <zipCode>M5H 1S3</zipCode>
      </principalOfficeAddress>
      <differentMailingAddress>N</differentMailingAddress>
      <telephoneNumber>6472066164</telephoneNumber>
      <conductBusinessInOtherLocations>Y</conductBusinessInOtherLocations>
      <otherBusinessLocation>
        <street1>100 Adelaide Street West</street1>
        <street2>Suite 300</street2>
        <city>Toronto</city>
        <stateOrCountry>A6</stateOrCountry>
        <zipCode>M5H 1S3</zipCode>
      </otherBusinessLocation>
      <otherBusinessLocation>
        <street1>733 Seymour Street</street1>
        <street2>Suite #2310</street2>
        <city>Vancouver</city>
        <stateOrCountry>A1</stateOrCountry>
        <zipCode>V6B 0S6</zipCode>
      </otherBusinessLocation>
      <otherBusinessLocation>
        <street1>Telus Sky Building</street1>
        <street2>2110, 685 Centre Street SW</street2>
        <city>Calgary</city>
        <stateOrCountry>A0</stateOrCountry>
        <zipCode>T2G 1S5</zipCode>
      </otherBusinessLocation>
      <otherBusinessLocation>
        <street1>1701 - 1190</street1>
        <street2>Avenue des Canadiens-de-Montreal</street2>
        <city>Montreal</city>
        <stateOrCountry>A8</stateOrCountry>
        <zipCode>H3A 2A6</zipCode>
      </otherBusinessLocation>
      <selfTransferAgent>N</selfTransferAgent>
      <engagedServiceCompany>N</engagedServiceCompany>
      <engagedAsServiceCompany>N</engagedAsServiceCompany>
    </registrant>
    <independentRegistrant>
      <registrantType>Corporation</registrantType>
      <corporationPartnershipData>
        <entityName>TMX Group Limited</entityName>
        <relationshipStartDate>08/31/2021</relationshipStartDate>
        <titleOrStatus>Parent Company (Public Company)</titleOrStatus>
        <ownershipCode>E</ownershipCode>
        <controlPerson>true</controlPerson>
      </corporationPartnershipData>
      <corporationPartnershipData>
        <entityName>Cheryl Graden</entityName>
        <relationshipStartDate>08/31/2021</relationshipStartDate>
        <titleOrStatus>Director</titleOrStatus>
        <ownershipCode>NA</ownershipCode>
        <controlPerson>true</controlPerson>
      </corporationPartnershipData>
      <corporationPartnershipData>
        <entityName>Claire Johnson</entityName>
        <relationshipStartDate>08/31/2021</relationshipStartDate>
        <titleOrStatus>Director</titleOrStatus>
        <ownershipCode>NA</ownershipCode>
        <relationshipEndDate>09/29/2023</relationshipEndDate>
      </corporationPartnershipData>
      <corporationPartnershipData>
        <entityName>Clarence Wong</entityName>
        <relationshipStartDate>09/12/2022</relationshipStartDate>
        <titleOrStatus>Director</titleOrStatus>
        <ownershipCode>NA</ownershipCode>
        <controlPerson>true</controlPerson>
      </corporationPartnershipData>
      <corporationPartnershipData>
        <entityName>Loui Anastasopoulos</entityName>
        <relationshipStartDate>09/29/2023</relationshipStartDate>
        <titleOrStatus>Director</titleOrStatus>
        <ownershipCode>NA</ownershipCode>
        <controlPerson>true</controlPerson>
      </corporationPartnershipData>
      <corporationPartnershipData>
        <entityName>Lara Donaldson</entityName>
        <relationshipStartDate>06/01/2024</relationshipStartDate>
        <titleOrStatus>President, CEO and Director</titleOrStatus>
        <ownershipCode>NA</ownershipCode>
        <controlPerson>true</controlPerson>
      </corporationPartnershipData>
      <otherControlManagement>
        <otherEntity>N</otherEntity>
      </otherControlManagement>
      <otherControlFinance>
        <otherEntity>N</otherEntity>
      </otherControlFinance>
    </independentRegistrant>
    <disciplinaryHistory>
      <felonyOrMisdemeanor>
        <involved>N</involved>
      </felonyOrMisdemeanor>
      <otherFelony>
        <involved>N</involved>
      </otherFelony>
      <enjoinedInvestmentRelatedActivity>
        <involved>N</involved>
      </enjoinedInvestmentRelatedActivity>
      <violationOfInvestmentRelatedRegulation>
        <involved>N</involved>
      </violationOfInvestmentRelatedRegulation>
      <falseStatementOrOmission>
        <involved>N</involved>
      </falseStatementOrOmission>
      <violationOfRegulations>
        <involved>N</involved>
      </violationOfRegulations>
      <authorizationDeniedOrSuspended>
        <involved>N</involved>
      </authorizationDeniedOrSuspended>
      <registrationDeniedOrSuspended>
        <involved>N</involved>
      </registrationDeniedOrSuspended>
      <federalOrStateRegulatoryAgency>
        <fsrFalseStatementOrOmission>
          <involved>N</involved>
        </fsrFalseStatementOrOmission>
        <fsrViolationOfInvestmentRelatedRegulation>
          <involved>N</involved>
        </fsrViolationOfInvestmentRelatedRegulation>
        <fsrAuthorizationDeniedOrSuspended>
          <involved>N</involved>
        </fsrAuthorizationDeniedOrSuspended>
        <fsrFoundOrderAgainstApplicant>
          <involved>N</involved>
        </fsrFoundOrderAgainstApplicant>
        <fsrRegistrationDeniedOrSuspended>
          <involved>N</involved>
        </fsrRegistrationDeniedOrSuspended>
        <fsrRevokedSuspendedLicense>
          <involved>N</involved>
        </fsrRevokedSuspendedLicense>
      </federalOrStateRegulatoryAgency>
      <selfRegulatoryAgency>
        <sraFalseStatementOrOmission>
          <involved>N</involved>
        </sraFalseStatementOrOmission>
        <sraViolationOfRules>
          <involved>N</involved>
        </sraViolationOfRules>
        <sraAuthorizationDeniedOrSuspended>
          <involved>N</involved>
        </sraAuthorizationDeniedOrSuspended>
        <sraRevokedSuspendedLicense>
          <involved>N</involved>
        </sraRevokedSuspendedLicense>
      </selfRegulatoryAgency>
      <foreignAgency>
        <involved>N</involved>
      </foreignAgency>
      <subjectOfProceedings>
        <involved>N</involved>
      </subjectOfProceedings>
      <revokedBond>
        <involved>N</involved>
      </revokedBond>
      <unsatisfiedJudgementsOrLiens>
        <involved>N</involved>
      </unsatisfiedJudgementsOrLiens>
    </disciplinaryHistory>
    <signature>
      <signatureName>Tania Narciso</signatureName>
      <signaturePhoneNumber>6472066164</signaturePhoneNumber>
      <signatureTitle>Chief Risk and Compliance Officer</signatureTitle>
      <signatureDate>07/05/2024</signatureDate>
    </signature>
  </formData>
</edgarSubmission>
