About Louis

Louis Sirois is a tax defence lawyer based in Laval who represents clients facing criminal tax investigations brought by the Canada Revenue Agency and Revenu Québec. Louis Sirois has practised law since 1987, appearing before Quebec's courts to contest evidence brought by prosecutors. Louis Sirois's work includes reviewing the validity of search warrants and seizures used against clients. The practice is centred on defending individuals under criminal tax investigation.

Practice areas

Tax Law Criminal Defence

Listing compiled from public sources in July 2026. Confirm Louis Sirois’s licence and standing in the Barreau du Québec directory ↗