Exhibit 23.1
Consent of Independent Registered Public Accounting Firm
We hereby consent to the inclusion in Amendment No. 1 to the Annual Report on Form 40-F for the year ended December 31, 2021 of Sierra Metals Inc. of our report dated March 14, 2022 relating to the consolidated financial statements, which appears in Exhibit 99.1 of Amendment No. 1 to the Annual Report on Form 40-F dated March 21, 2022.
/s/PricewaterhouseCoopers LLP
Chartered Professional Accountants, Licensed Public Accountants
Toronto, Canada
March 14, 2022
PricewaterhouseCoopers LLP
PwC Tower, 18 York Street, Suite 2600, Toronto, Ontario, Canada M5J 0B2
T: +1 416 863 1133, F: +1 416 365 8215, www.pwc.com/ca
“PwC” refers to PricewaterhouseCoopers LLP, an Ontario limited liability partnership.