Nelligan Law (Nelligan O'Brien Payne LLP) is a full-service law firm based in Ottawa, founded in 1963 by John Nelligan and Denis Power. It's grown to a team of more than 100 lawyers and professionals who serve clients across Ontario in areas including family law, employment law, business law, personal injury, litigation, wills and estates, real estate, and construction law. The firm offers virtual appointments in addition to its downtown Ottawa office.

Good to know

A person using a wheelchairWheelchair accessibleA rainbow pride heartLGBTQ+ friendlyA laptop showing a video callVirtual appointmentsA calendar with a checkmark beside a clockBy appointmentAn office interior with a desk and chairsIn-person services

This firm’s lawyers at a glance

Called to the bar
1999–2023 · median 7 years in practice 12 of 49 lawyers
Law schools
University of Ottawa (20), McGill University (2), McGill University Faculty of Law (2), Queen's University Faculty of Law (2), University of Windsor (2), Bond University and 11 more 40 of 49 lawyers
Languages on the roster
Arabic, English, French, Spanish

Who handles what

Where to find them

50 O'Connor Street, Suite 300, Ottawa ON, K1P 6L2, Canada · 613-238-8080

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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 ↗