LAWYER PROFILE

Martha MacDonald

Global 2026

Torys LLP

Ranked in 1 practice area

Tax: Litigation

Canada

6 years ranked

About

Provided by Torys LLP

Global

Practice Areas

Recognized for her skill and advocacy before the courts, Martha MacDonald is an experienced tax litigator who brings advanced dispute strategy and deep tax knowledge to advocate for clients on all manner of tax disputes.

Martha leads Torys’ Tax Controversy and Litigation Practice, and practises tax litigation before trial and appellate courts, as well as dispute resolution with the Canada Revenue Agency and provincial tax authorities.

Martha brings extensive knowledge and experience to a wide range of tax issues, including transfer pricing, tax avoidance, foreign tax credits, residence for tax purposes, taxable employment benefits, and goods and services tax/harmonized sales tax. She also regularly advises clients on a variety of administrative and procedural matters.

Chambers Review

Provided by Chambers

Chambers Global Guide

Tax: Litigation - Canada

Band 1

Individual Editorial

Martha MacDonald handles a range of tax disputes, including those relating to transfer pricing, for clients including financial institutions. She leads the firm's tax controversy practice from Toronto.

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Strengths

Provided by Chambers

Martha Macdonald is one of the top tax litigators in Canada. She gives absolutely first rate litigation strategy advice.
Tax: LitigationChambers Global Guide
The level of insight she provides and ability to communicate very complicated topics is really fantastic. She is an exceptional talent.
Tax: LitigationChambers Global Guide
I really enjoy working with Martha. She gives decisive, practical and effective advice.
Tax: LitigationChambers Global Guide
Martha is highly respected and one of the most knowledgeable people in the tax bar in Canada.
Tax: LitigationChambers Global Guide
Martha is very strategic, understands how to run and argue a case and can explain tax issues to a judge.
Tax: LitigationChambers Global Guide