Matthew Williams

Matthew Williams

Toronto, ON recognized lawyers icon Recognized in Best Lawyers since 2014
Thorsteinssons LLP

22 Best Lawyers awards

Thorsteinssons LLP logo

Awarded Practice Areas

Tax Law

Biography

Matthew Williams is a partner and practices in the firm’s Toronto office.

Matthew’s practice focuses on all aspects of taxpayer representation. He has appeared before the Tax Court of Canada, the Federal Court of Canada, the Federal Court of Appeal, the Ontario Superior Court and the Supreme Court of Canada on a wide range of issues. Matthew has extensive experience dealing with Canada’s general anti-avoidance rule (GAAR) in both domestic and international contexts having successfully appealed a number of cases in the Federal Court of Appeal. Matthew was named as a “Rising Star” by Lexpert® magazine in 2010 and has since been repeatedly recognized by Lexpert® as a Consistently Recommended Corporate Tax Litigator. Matthew has been recognized as a leading tax dispute resolution lawyer in the International Tax Review, was recently named among The Best Lawyers in Canada by Best Lawyers International, has been peer rated by Martindale-Hubbell as a “preeminent lawyer”, and is included in Chambers Canada Guide.

Thorsteinssons LLP

22 Best Lawyers awards

Thorsteinssons LLP logo

Overview

Client Testimonials

Awards & Focus

Lawyer of the Year Badge - 2022 - Tax Law
Named "Lawyer of the Year" by Best Lawyers® for:
  • Tax Law, Toronto, Canada (2022)
Recognized in The Best Lawyers in Canada 2026 for work in:
  • Tax Law

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