LAWYER PROFILE
Andrew Matheson

Andrew Matheson

Canada 2026

Chambers ranking badge
Chambers ranking badge

Ranked in 1 practice area

About

Provided by McCarthy Tétrault LLP

Practice Areas

Andrew is the Head of McCarthy Tétrault’s National White Collar and Investigations Group. He specializes in complex and cross-border investigations, regulatory and criminal defence, and professional discipline matters. His diverse experience includes practicing with Allen & Overy in New York City. In his investigations practice, Andrew addresses a wide range of exposures, including fraud, corruption, insider trading, money laundering, tax evasion and sanctions violations. He often appears before administrative tribunals, as well as appearing before the court of Ontario, including in the successful defence of the former CEO of Nortel on criminal fraud charges. He teaches at University of Toronto Law School, and publishes widely on matters relating to financial crime and investigations. He has been active in pro bono work throughout in his career, including acting for Guantanamo Bay detainees.

Career

Ontario Bar, 1997; New York Bar, 2004

Professional Memberships

Advocates Society, International Bar Association; Canadian Bar Association; Canadian Bar Association

Publications

Co-editor, CCH’s Annotated Ontario Securities Legislation

Chambers Review

Provided by Chambers

Chambers Canada Guide

White-Collar Crime & Government Investigations - Nationwide - Canada

Band 1
Band 1

Individual Editorial

Andrew Matheson is renowned for the breadth of his experience, covering corporate investigations and compliance, criminal defence and professional disciplinary proceedings. He heads McCarthy Tétrault's national white-collar and investigations group from Toronto.

Strengths

Provided by Chambers

  • Andrew is a total pro who has all of the expertise and knowledge required.

    White-Collar Crime & Government InvestigationsChambers Canada Guide
  • Without fail, Andrew has a deep understanding of his clients' needs and interests.

    White-Collar Crime & Government InvestigationsChambers Canada Guide
  • He is a very experienced, sophisticated lawyer with excellent judgment.

    White-Collar Crime & Government InvestigationsChambers Canada Guide
  • Andrew Matheson is at the top of his game.

    White-Collar Crime & Government InvestigationsChambers Canada Guide

Ranked Individuals at McCarthy Tétrault LLP (260)

Alberta

British Columbia

What success is built on

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

Explore thought leadership