Me Louis Sirois, avocat et conseils is a solo tax law practice based in Laval, Quebec, serving clients across Canada in French and English. Louis Sirois has been a member of the Barreau du Québec since 1987 and focuses exclusively on tax litigation, cross-border tax planning, and contested estates. The firm also runs a separate portal dedicated to estate litigation matters.

Good to know

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

Fees & payment

A clock beside gold coins with a dollar signHourlyA price tag with a dollar signFlat fee

Where to find them

3030, boul. Curé-Labelle, bureau 300, Laval (Québec) H7P 0H9 · 438-386-4223

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