CSG Avocats (Charlebois Swanston Gagnon) is a criminal and penal law firm based in Gatineau, serving the Outaouais region. Founded by Paul Charlebois, Michel Swanston and Sébastien Gagnon, its roughly dozen lawyers handle criminal defence, youth protection (DPJ) matters, provincial infraction notices, and cases before the Commission des transports du Québec and other administrative tribunals. The firm also assists clients with pardon applications and U.S. entry waivers.

Practice areas

Criminal Defence Administrative & Regulatory Law

Good to know

A person using a wheelchairWheelchair accessibleA laptop showing a video callVirtual appointmentsA calendar with a checkmark beside a clockBy appointment

Lawyers 12

Amélie Charlebois Avocate Christina Leclair Avocate Dominik Robinson Avocat François-Félix Lacasse Avocat Jean-François Benoit Associé & avocat Jean-François St-Aubin Avocat Luc Boucher Avocat Marie-Soleil Tanguay Avocate Michel Swanston Associé & avocat Nadine Parent Avocate Paul Charlebois Avocat Sébastien Gagnon Associé

This firm’s lawyers at a glance

Called to the bar
1982–2024 · median 26 years in practice 5 of 12 lawyers
Law schools
University of Ottawa (3), Université du Québec à Montréal, Université Laval, University of Sherbrooke 6 of 12 lawyers
Languages on the roster
French

Where to find them

166, rue Wellington, Gatineau (Québec) J8X 2J4 · 819-210-7864

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Listing compiled from the firm’s public website in July 2026. Verify licence status in the Barreau du Québec directory ↗