LAWYER PROFILE
Matthew Williams

Matthew Williams

Global 2026

Chambers ranking badge
Chambers ranking badge

Ranked in 1 practice area

About

Provided by Thorsteinssons LLP

Practice Areas

Tax Litigation

Taxpayer Representation

Career

Matthew Williams is a partner and practices in Thorsteinssons LLP'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, the Ontario Court of Appeal, and the Supreme Court of Canada on a wide range of domestic and international issues.

Matthew has been recognized by Lexpert as a Most Frequently Recommended Corporate Tax Litigator and was included in the Lexpert Special Edition: Canada’s Leading Litigation Lawyers. Matthew has been recognized as a leading tax dispute resolution lawyer in the International Tax Review, named among The Best Lawyers in Canada by Best Lawyers International (including being named Lawyer of the Year 2022 for Tax Law in Toronto, Ontario), is peer rated by Martindale-Hubbell as a “preeminent lawyer”, and is ranked by Chambers Canada and Chambers Global.

Chambers Review

Provided by Chambers

Chambers Global Guide

Tax: Litigation - Canada

Band 1
Band 1

Individual Editorial

Matthew Williams has an impressive reputation for his tax litigation work, particularly in tax controversy cases. He is based in Toronto.

Strengths

Provided by Chambers

  • Matthew is a great litigator.

    Tax: LitigationChambers Global Guide
  • Matthew is an excellent tax litigator. He has been practicing tax litigation for more than 20 years and is highly respected in the community.

    Tax: LitigationChambers Global Guide

Ranked Individuals at Thorsteinssons LLP (6)

Canada

Unknown

What success is built on

Chambers is the leading data and intelligence partner for the legal sector.

Explore thought leadership