About Michael

Michael Mumby is Co-Managing Partner at Harrison Pensa LLP in the Business Law and Financial Services group, advising on incorporations, professional corporations, corporate restructurings, partnership and shareholder agreements, mergers and acquisitions, leases and other commercial contracts, and institutional financing. Mumby primarily serves individuals, small businesses, private corporations, business owners, health professionals, medical clinics, and franchisees, with particular experience in intergenerational corporate succession planning. Mumby has been recognized in Best Lawyers in Canada for Corporate Law since 2022.

Practice areas

Business & Corporate Law

Education & credentials

Law school
Queen's University
Undergraduate
Western University, Bachelor of Arts in Politics and History

Listing compiled from public sources in July 2026. Confirm Michael Mumby’s licence and standing in the Law Society of Ontario directory ↗