Martha Harrison

Ranked in 2 Practice Areas

Band 2

International Trade/WTO

Nationwide - Canada

9 Years Ranked

Band 3

Advertising & Marketing

Nationwide - Canada

3 Years Ranked

Ranked in Guides

Global 2025

About

Provided by Martha Harrison

Canada

Practice Areas

Partner in the International Trade and Investment Law group, and Marketing, Advertising, and Regulatory group. Offers a full suite of trade services, including customs, economic sanctions, import/export controls, trade remedies, trade facilitation, anti-corruption, government procurement, and investor-state matters.

Regulatory law practice involves advising on manufacturing, trade, distribution, promotion, and retail of regulated products across several industries, including agri-food, retail, technologies, defence, natural resources, health, and financial services. Recognized expert in global supply chain management and related ESG issues.

Ranked in The Legal 500, The Canadian Legal Lexpert Directory, Expert Guides, Who’s Who Legal, and Best Lawyers in Canada.

Career

Ontario Bar, 2002.

Professional Memberships

ABA, IBA, Chair of the Board of Toronto Chapter – Canadian Eurasia Chamber of Commerce, 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

Canada

International Trade/WTO - Nationwide - Canada

Band 2

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.

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Advertising & Marketing - Nationwide - Canada

Band 3

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.

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Strengths

Provided by Chambers

Martha is exceptional in every way. She is responsive and an expert in her field.

International Trade/WTO respondent
Canada

Martha is an expert in her field and provides very strong client service.