Exhibit 99.5

Consent of Independent Registered Public Accounting Firm

We consent to the incorporation by reference in Registration Statement No. 333-256124 on Form F-10, Registration Statement No. 333-258770 on Form F-3D and Registration Statement Nos. 333-125486 and 333-181463 on Form S-8 and to the use of our reports dated February 10, 2022 relating to the financial statements of TELUS Corporation (the “Company”) and the effectiveness of the Company’s internal control over financial reporting appearing in this Annual Report on Form 40-F for the year ended December 31, 2021.

/s/ Deloitte LLP

Chartered Professional Accountants

Vancouver, Canada

February 10, 2022