JM

John M. Campbell

Practicing tax since 1983.

43+
Years practicing
1
Bar admission

Practices in

Are you John M. Campbell?

This profile was built from public bar records and is still unclaimed. Claim it free to control your photo, bio, and fees — and get client inquiries sent straight to you.

Claim this profile — free

Quick answer

John M. Campbell is an attorney based in Toronto, ONTARIO. The practice focuses on Tax and Trusts. John has over 43 years of legal experience.

Based in
Toronto, ONTARIO
Experience
over 43 years
Known for
Tax · Trusts
  • Handles Tax and Trusts matters from Toronto, ONTARIO.
  • Over 43 years of practice as a licensed attorney.
  • Recognized with Best Lawyers in America — Tax Law (2026).

About John M. Campbell: John M. Campbell is an attorney based in Toronto, ONTARIO. The practice focuses on Tax and Trusts. John has over 43 years of legal experience.

Areas of practice

Practice focus

John M. Campbell represents clients across the following areas of law. Each area links to other verified attorneys with the same focus.

Biography

About John M. Campbell

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.

Jurisdictions

Bar admissions

  • Ontario

    1983 · ACTIVE

Recognition

Awards & honors

  • Best Lawyers in America — Tax Law

    2026

  • Best Lawyers in America — Trusts and Estates

    2026

Locations

Office locations

Main office

1 First Canadian Place

Toronto, Ontario

Open in Google Maps

Client feedback

Client reviews

No reviews yet

Only verified clients who have consulted with John M. Campbell can leave a review.

Schedule your consultation

Frequently asked

Common questions

  • What areas of law does John M. Campbell practice?

    John M. Campbell focuses on Tax and Trusts.

  • How experienced is John M. Campbell?

    John M. Campbell has 43 years of legal practice, having been licensed since 1983.

  • Is John M. Campbell a verified attorney?

    John M. Campbell's profile is listed but has not yet been claimed by the attorney. Verification status is pending.

  • How can I schedule a consultation with John M. Campbell?

    You can book a consultation through LawyersListed directly from this page. Initial outreach can also be made by phone at 416-862-7525.