DAC Avocats is a law firm in Longueuil, Quebec. It practices civil law, including real estate, hidden defects, and succession matters, along with business law and arbitration, and describes itself as a firm serving clients for more than 30 years.

Practice areas

Business & Corporate Law Real Estate Law Construction Law Civil Litigation & Dispute Resolution Wills, Estates & Trusts Landlord & Tenant

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

Lawyers 3

Christine Champagne Avocate Landlord & TenantWills, Estates & Trusts David Dubois Founder, Lawyer Business & Corporate LawReal Estate Law Sophie Arcoite Avocate Business & Corporate LawCivil Litigation & Dispute Resolution

This firm’s lawyers at a glance

Called to the bar
1992–2016 · median 20 years in practice 3 of 3 lawyers
Law schools
Université du Québec à Montréal (2), Université de Sherbrooke 3 of 3 lawyers
Languages on the roster
French

Who handles what

Where to find them

70 Rue De La Barre, Bureau 118, Longueuil, Québec J4K 5J3 · 450-651-5110

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