About The Harris Gwynne Law Firm

The Harris Gwynne Law Firm is a two lawyer firm based in Markham, Ontario, formed in October 2010 when Sally Harris and Michael Gwynne joined together in association. The firm's core focus is condominium law, acting for condominium corporations and their boards of directors, and it also handles corporate and commercial law, securities law, tax law, wills and estates, elder law, and real estate transactions for clients across York Region and the Golden Horseshoe.

Sally Harris earned an LL.B. from Osgoode Hall Law School in 1993 and was called to the bar in 1995. After articling with Pacey, Deacon, Spears & Fedson, Harris worked as an associate at Deacon Spears Fedson & Montizambert, then opened a York Region practice in 2006 before partnering with Gwynne in 2010, and is an Associate Member of the Association of Condominium Managers of Ontario (ACMO).

Michael Gwynne earned an LL.B. from Queen's University Law School in 2004, an LL.M. in tax from Osgoode Hall Law School, an MBA from Queen's University, and CPA and CGA designations, and was called to the bar in 2005. Gwynne's earlier background includes public accounting and the Ontario Securities Commission, then work as an associate at Deacon Spears Fedson & Montizambert and at Miller Thomson LLP, and now includes lecturing the Advanced Condominium Course for Directors and Managers at the Condominium Institute.

In the community

  • Michael Gwynne lectures the Advanced Condominium Course for Directors and Managers offered through the Condominium Institute and has written for CCI's CondoVoices Magazine.
  • Michael Gwynne is active with the Communications Committee of the Association of Condominium Managers of Ontario (ACMO).
  • Sally Harris is an Associate Member of the Association of Condominium Managers of Ontario (ACMO).

Good to know

A person using a wheelchairAccessible parkingA calendar with a checkmark beside a clockBy appointment

Where to find them

9275 Markham Road, Suite 207, Markham, Ontario, Canada, L6E 1A3 · 905-640-7521

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This listing was generated by AI from public sources in September 2026. It may contain errors, and we can’t guarantee it’s accurate or complete. Before you rely on anything here, verify it on the firm’s own website. Verify licence status in the Law Society of Ontario directory ↗

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