Guillaume Talbot-Lachance

Counsel

Montréal
GTalbotLachance@blg.com
514.395.2735

Guillaume is a skilled regulatory commercial lawyer. He advises his clients on consumer law matters and complex legal issues relating to financial services, financial institution regulation, fintech, credit, and payment cards and mechanisms.

He also helps clients develop and adapt their business practices, including by reviewing marketing conditions for their products and services, their advertising campaigns and loyalty programs. When needed, he assists clients with e-commerce issues and drafts and revises terms of use and sale. He also guides clients in their dealings with regulators. Guillaume has considerable experience in cybersecurity risk and incident management, privacy and regulatory investigations.

Experience

  • Guiding multiple Canadian and foreign banks, investment management firms, brokers, trust corporations, insurers, and other businesses on implementing Québec French language requirements (Bill-96 - Charter of the French Language) and its implications on contracts, client relationships, marketing materials, websites, and more.
  • Assisting a multiple clients in dealing with complaints filed with an investigation from the Office Québécois de la langue française.
  • Providing advice to stakeholders in the payment industry regarding the Retail Payment Activities Act and the upcoming new requirements under the Bank of Canada's supervisory framework.

Beyond Our Walls

Professional Involvement

  • Lecturer, Contract and Business Law, Faculty of Political Science and Law, Université du Québec à Montréal (UQÀM)

Awards & Recognition

  • Recognized in the 2025 edition of The Best Lawyers in Canada™ (Banking and Financial Law)

Bar Admission & Education

  • Québec, 2009
  • Canadian Risk Management (CRM) designation, Global Risk Management Institute, 2021
  • LLM, Université Laval, 2010
  • LLB, Université Laval, 2007