Exhibit 5.2

KPMG LLP Bay Adelaide Centre Suite 4600 333 Bay Street Toronto ON M5H 2S5 Telephone (416) 777-8500
Fax (416) 777-8818 www.kpmg.ca

Consent of Independent Registered Public Accounting Firm

We consent to the incorporation by reference in the prospectus and this Registration Statement of First Majestic Silver Corp. on Form F-10 of our Report of Independent Registered Public Accounting Firm dated March 19, 2018, on the financial statements of Primero Mining Corp., which comprise the consolidated statements of financial position as at December 31, 2017 and December 31, 2016, the consolidated statements of operations and comprehensive loss, changes in equity and cash flows for each of the years then ended, and notes, comprising a summary of significant accounting policies and other explanatory information.

Chartered Professional Accountants, Licensed Public Accountants

October 15, 2018

Toronto, Canada

KPMG LLP is a Canadian limited liability partnership and a

member firm of the KPMG network of independent member firms

affiliated with KPMG International Cooperative (“KPMG

International”), a Swiss entity. KPMG Canada provides services

to KPMG LLP.