John M. Campbell

John M. Campbell

Toronto, ON recognized lawyers icon Recognized in Best Lawyers since 2019
Gowling WLG

289 Best Lawyers awards

Gowling WLG logo

Awarded Practice Areas

Tax Law Trusts and Estates

Biography

John Campbell practises taxation law, advising clients on domestic and international income tax issues, with a focus on advising Canadian clients with international interests and non-Canadian clients with Canadian interests. John has extensive experience with respect to the tax implications and structuring of corporate reorganizations, mergers and acquisitions, international tax planning and tax planning using trusts. He provides his clients with effective, practical tax advice based on his expertise and experience.

John also has many years of experience representing clients in tax disputes with federal and provincial tax authorities, including proposed reassessments and notices of objection. He has appeared in the Tax Court of Canada, the Federal Court of Appeal, and the Ontario courts on tax appeals.

John has written extensively for various publications and spoken on numerous occasions at conferences on many different aspects of taxation law.

Gowling WLG

289 Best Lawyers awards

Gowling WLG logo

Overview

Client Testimonials

Awards & Focus

Recognized in The Best Lawyers in Canada 2026 for work in:
  • Tax Law
  • Trusts and Estates

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