UNITED STATES                                  
                       SECURITIES AND EXCHANGE COMMISSION                       
                             Washington, D.C. 20549                             

                                  SCHEDULE 13G                                  

                   Under the Securities Exchange Act of 1934                    

                              (Amendment No.  ___)                              
                                                                                


            Telus International (Cda) Inc.             
                   (Name of Issuer)                    
                                                       
               Subordinate Voting Shares               
            (Title of Class of Securities)             
                                                       
                       87975H100                       
                    (CUSIP Number)                     
                                                       
                   December 31, 2022                   
(Date of Event which Requires Filing of this Statement)
                                                       


Check the appropriate box to designate the rule pursuant to which this 
Schedule is filed:

[X]           Rule 13d-1(b)
[   ]           Rule 13d-1(c)
[   ]           Rule 13d-1(d)


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87975H100            



                1                 NAMES OF REPORTING PERSONS                                                             
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)                                                             
                                                             Mawer Investment Management Ltd.                           
                                                                  
                2                 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP                                       
(a)                                                                                                                     
                                                                                                                        
(b)                                                                                                                     
                                                                                                                        
                3                 SEC USE ONLY                                                                           
                                                                                                                        
                                                                  
                4                 CITIZENSHIP OR PLACE OF ORGANIZATION                                                   
                                                                                       Canada                           
                                                                  
 NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH             5              SOLE VOTING POWER          
3,920,390                                                                                    
                                                                  
                6                 SHARED VOTING POWER                                                                  
                                0                                                            
                                                                  
                7                 SOLE DISPOSITIVE POWER                                                               
3,920,390                                                                                    
                                                                  
                8                 SHARED DISPOSITIVE POWER                                                             
                                0                                                            
                                                                  
                9                 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON                           
                                                                                    3,920,390                           
                                                                  
               10                 CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)    
                                                                                                                        
                                                                  
               11                 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)                                      
5.36%                                                                                                                   
(1)                                                                                                                     
                                                                  
               12                 TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)                                            
                                                                           Investment Advisor                           
                                                                  



(1)
Based upon 73,083,886 Subordinate Voting Shares of Telus International (Cda) 
Inc. (the "Issuer") outstanding as of February 9, 2023, as reported in the 
Issuer's Form 20-F report filed with the Securities and Exchange Commission on 
February 9, 2023.


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87975H100            



  Item 1. (a)                                                Name of Issuer:
                                                                            
                                              Telus International (Cda) Inc.
                                                                            
          (b)               Address of Issuer's Principal Executive Offices:
                                                                            
                                          510 West Georgia Street, 7th Floor
                                        Vancouver, British Columbia, V6B 0M3
                                                                            
                                                                            
  Item 2. (a)                                        Name of Persons Filing:
                                                                            
                                            Mawer Investment Management Ltd.
                                                                            
          (b)  Address of Principal Business Office or, if none, Residence :
                                                                            
                                                   600, 517 - 10th Avenue SW
                                            Calgary, Alberta, Canada T2R 0A8
                                                                            
          (c)                                                   Citizenship:
                                                                            
                                                                      Canada
                                                                            
          (d)                                  Title of Class of Securities:
                                                                            
                                                   Subordinate Voting Shares
                                                                            
          (e)                                                  CUSIP Number:
                                                                            
                                                                   87975H100
                                                                            



 Item 3.   If this statement is filed pursuant to Sections 240.13d-1(b) 
          or 240.13d-2(b) or (c), check whether the person filing is a: 
                                                                        
                             (a)    [   ]   Broker or dealer registered 
                                           under Section 15 of the Act. 
                             (b)             [   ]   Bank as defined in 
                                            Section 3(a)(6) of the Act. 
                             (c)   [   ]   Insurance company as defined 
                                        in Section 3(a)(19) of the Act. 
                             (d)  [   ]   Investment company registered 
                                      under Section 8 of the Investment 
                                                   Company Act of 1940. 
                             (e)             [X]  An investment adviser 
                                             in accordance with Section 
                                                240.13d-1(b)(1)(ii)(E). 
                             (f)     [   ]  An employee benefit plan or 
                                      endowment fund in accordance with 
                                                                Section 
                                                240.13d-1(b)(1)(ii)(F). 
                             (g)    [   ]   A parent holding company or 
                                      control person in accordance with 
                                                                Section 
                                                240.13d-1(b)(1)(ii)(G). 
                             (h)      [   ]   A savings associations as 
                                 defined in Section 3(b) of the Federal 
                                                 Deposit Insurance Act. 
                             (i) [   ]   A church plan that is excluded 
                                   from the definition of an investment 
                                         company under Section 3(c)(14) 
                                          of the Investment Company Act 
                                                               of 1940. 




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                                          (j) [   ]   A non-U.S. institution in accordance with Section 240.13d-1(b)(1) (ii)(J).
                                                                                                                                
                                          (k)                  [   ]   Group, in accordance with Section 240.13d-1(b)(1)(ii)(K).
                                                                                                                                
  If filing as a non-U.S. institution in accordance with Section 240.13d-1(b)(1)(ii)(J), please specify the type of institution:
 _____________________________________________



                                                                                                                         
 Item 4.                                                                                                       Ownership.
                                                                                                                         
         (a)                                                                                   Amount Beneficially Owned:
                                                                                                                         
                                                                                                                3,920,390
                                                                                                                         
         (b)                                                                                            Percent of Class:
                                                                                                                         
                                                                                                                    5.36%
                                                                                                                         
         (c)                                                                                       Number of Shares as to
                                                                                                    which the person has:
                                                                                                                         
                                                                                                                         
                                                                                               (i)     sole power to vote
                                                                                                   or to direct the vote:
                                                                                                                         
                                                                                                                3,920,390
                                                                                                                         
                                                                                                 (ii)     shared power to
                                                                                                 vote or direct the vote:
                                                                                                                         
                                                                                                                        0
                                                                                                                         
                                                                                           (iii)    sole power to dispose
                                                                                            or direct the disposition of:
                                                                                                                         
                                                                                                                3,920,390
                                                                                                                         
                                                                                          (iv)    shared power to dispose
                                                                                         or to direct the disposition of:
                                                                                                                         
                                                                                                                        0
                                                                                                                         
 Item 5.                                                                                        Ownership of Five Percent
                                                                                                      or Less of a Class:
                                                                                                                         
                  If this statement is being filed to report the fact that as of the date hereof the reporting person has
             ceased to be the beneficial owner of more than five percent of the class of securities, check the following:
                                                                                                                         
 Item 6.                                                                              Ownership of More than Five Percent
                                                                                             on Behalf of Another Person:
                                                                                                                         
             Not Applicable                                                                                              
                                                                                                                         



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87975H100            



  Item 7.                                                                  Identification and Classification
                                                                          of Subsidiaries Which Acquired the
                                                                    Security Being Reported on by the Parent
                                                                          Holding Company or Control Person.
                                                                                                            
           Not Applicable                                                                                   
                                                                                                            
  Item 8.                                                                  Identification and Classification
                                                                                    of Members of the Group.
                                                                                                            
           Not Applicable                                                                                   
                                                                                                            
  Item 9.                                                                    Notice of Dissolution of Group.
                                                                                                            
           Not Applicable                                                                                   
                                                                                                            
 Item 10.                                                                                     Certification:
                                                                                                            
           By signing below, I certify that, to the best of my knowledge and belief, the securities referred
               to above were not acquired and are not held for the purpose of or with the effect of changing
                or influencing the control of the issuer of the securities and were not acquired and are not
               held in connection with or as a participant in any transaction having that purpose or effect.


                                   SIGNATURE                                    


After reasonable inquiry and to the best of my knowledge and belief, I certify 
that the information set forth in this statement is true, complete and correct.



     Date:   February 10, 2023 
                               
                               
  By:    /s/ Vijay Viswanathan 
  Name:  Vijay Viswanathan     
  Title:     Portfolio Manager