John O'Connor

John O'Connor

Tax Law
Recognized in Best Attorney USA since 2021

About John

John O'Connor is a partner and Co-Head in the Tax Group in Toronto. John's practice involves all areas of corporate tax, focusing primarily on complex mergers, acquisitions and reorganizations, along with advising tax-exempt entities. In addition, John regularly consults on a variety of technical tax matters.

John O'Connor is a partner and Co-Head in the Tax Group in Toronto. John's practice involves all areas of corporate tax, focusing primarily on complex mergers, acquisitions and reorganizations, along with advising tax-exempt entities. In addition, John regularly consults on a variety of technical tax matters.

John O'Connor is a partner and Co-Head in the Tax Group in Toronto. John's practice involves all areas of corporate tax, focusing primarily on complex mergers, acquisitions and reorganizations, along with advising tax-exempt entities. In addition, John regularly consults on a variety of technical tax matters.

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Reviews

4.5 / 5

39 Reviews

1,045 Profile Views

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Veronica Steuber

Feb 04, 2026

Professional service and clear communication provided by John O'Connor in Toronto

I appreciate how John O'Connor handled my case. No fluff, just straight to the point and very effective representation for my Tax Law matter. They are obviously very experienced and know how to naviga...

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Claire Dickens

Feb 04, 2026

Great people who truly care at John O'Connor - the best legal team in Ontario

I've already told all my friends and family about John O'Connor. If you need Tax Law help in Ontario, they're the ones to see without any doubt. They are local experts who really understand the commun...

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Wilbur Anderson

Feb 04, 2026

A very good experience overall with the entire team at John O'Connor's legal practice

I appreciate how John O'Connor handled my case. No fluff, just straight to the point and very effective representation for my Tax Law matter. They are obviously very experienced and know how to naviga...

C

Christine Ward

Feb 04, 2026

Solid work and professional service from John O'Connor in Toronto for Ontario residents

I appreciate how John O'Connor handled my case. No fluff, just straight to the point and very effective representation for my Tax Law matter. They are obviously very experienced and know how to naviga...