About John

John McMahon is a partner at Kirwin Partners LLP who has practised law since 1998 in corporate and commercial law and in real estate and property development. He advises individuals, management, and boards of directors on mergers and acquisitions, financing, shareholder agreements, operational issues, and corporate due diligence and governance. His commercial practice covers commercial leasing, commercial real estate purchases and sales, and commercial mortgage transactions for corporations, individuals, and financial institutions. He was previously Associate Counsel and Assistant Secretary of Bracknell Corporation, a company formerly traded on the Toronto Stock Exchange. He is a member of the Law Society of Ontario and the Essex Law Association and has served on several community boards, including Family Respite Services and the Catholic Family Services Bureau.

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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 their firm’s website. Confirm John P. McMahon’s licence and standing in the Law Society of Ontario directory ↗

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