LAWYER PROFILE

Martha Harrison

Canada 2026

McCarthy Tétrault LLP

Ranked in 3 practice areas

International Trade/WTO

Nationwide - Canada

10 years ranked

Advertising & Marketing

Nationwide - Canada

4 years ranked

Agribusiness: Agriculture & Food Products

Nationwide - Canada

1 year ranked

Contributions and articles

1 Global Practice Guides

About

Provided by McCarthy Tétrault LLP

Practice Areas

Co-Leader of and partner in the International Trade and Investment Law Group and the Marketing, Advertising, and Regulatory Group. Provides a comprehensive range of trade services, including customs, economic sanctions, import/export controls, trade remedies, trade facilitation, anti-corruption, government procurement, and investor-state matters.

Her sophisticated regulatory practice focuses on advising clients on the manufacturing, trade, distribution, promotion, and retail of regulated products across diverse industries such as agri-food, retail, technology, defence, natural resources, health, and financial services. She is a recognized authority on global supply chain management and related ESG considerations, and appears regularly in Canadian media speaking on these issues.

Career

Ontario Bar, 2002.

Professional Memberships

ABA, IBA, Canadian International Council Board member, CARE Canada Board member.

Personal

Serves as a member of the binational panels roster under the Canada-United States-Mexico Free Trade Agreement (CUSMA). Director of Osgoode Professional Certification in Supply Chain Risk and Management. Former adjunct professor of international trade at multiple law programs.

Chambers Review

Provided by Chambers

Chambers Canada Guide

International Trade/WTO - Nationwide - Canada

Band 1

Individual Editorial

Martha Harrison is a respected lawyer in Canadian trade law, with a breadth of expertise covering customs and tariff classification advice, in addition to a strong grasp of consumer products and regulatory law. She is based in Toronto.

Learn more about this team View ranking table

Advertising & Marketing - Nationwide - Canada

Band 2

Individual Editorial

Martha Harrison enjoys a particularly strong reputation for her expertise at the intersection of international trade and advertising law, acting for a broad array of national and international clients looking to enter the Canadian market.

Learn more about this team View ranking table

Agribusiness: Agriculture & Food Products - Nationwide - Canada

Spotlight

Individual Editorial

Martha Harrison is a sought after Toronto-based lawyer who regularly advises agribusiness clients on product regulations and transactional matters.

Learn more about this team View ranking table

Strengths

Provided by Chambers

Martha is excellent in all regards.
Advertising & MarketingChambers Canada Guide
Martha provides sound advice and is really well-connected to the industry.
Advertising & MarketingChambers Canada Guide
Martha Harrison is a really good strategic thinker and commercially-minded lawyer.
Agribusiness: Agriculture & Food ProductsChambers Canada Guide
Martha provides sound advice and is really well-connected to the industry.
Agribusiness: Agriculture & Food ProductsChambers Canada Guide