O'Flynn Weese LLP is a Belleville, Ontario law firm tracing its history to an 1886 partnership between Francis Edmund O'Flynn and W. Jeffers Diamond. One of the largest firms in the Quinte area, it practises civil litigation, real estate, wills and estates, corporate and commercial, family, and administrative law.

Practice areas

Civil Litigation & Dispute Resolution Real Estate Law Wills, Estates & Trusts Business & Corporate Law Family Law Administrative & Regulatory Law

Good to know

A person using a wheelchairWheelchair accessibleA calendar with a checkmark beside a clockBy appointment

Lawyers 8

Abbey James Associate Family Law Anya-Deane Best Partner Wills, Estates & TrustsTax Law James Quinn Associate Business & Corporate LawFamily Law John Mastorakos Partner Family LawCivil Litigation & Dispute Resolution Kirsten C. Musgrove Partner Real Estate LawWills, Estates & Trusts Mark Pedersen Partner Civil Litigation & Dispute ResolutionAdministrative & Regulatory Law Matthew Gemmell Business & Corporate LawReal Estate Law Scott McMahon Partner Civil Litigation & Dispute ResolutionEmployment & Labour Law

This firm’s lawyers at a glance

Law schools
Queen's University (4), Osgoode Hall Law School (2), University of New Brunswick, University of Windsor Faculty of Law 8 of 8 lawyers

Who handles what

Where to find them

65 Bridge Street East, Belleville, Ontario K8N 1L8 · 613-966-5222

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Listing compiled from the firm’s public website in July 2026. Verify licence status in the Law Society of Ontario directory ↗