Altalex is a Québec City business law firm founded by Stéphanie Auclair, serving small and medium-sized enterprises across the province. Its services span business start-up, mergers and acquisitions, corporate reorganization, shareholder agreements, real estate, financing, and succession planning.

Practice areas

Business & Corporate Law Real Estate Law Wills, Estates & Trusts

Good to know

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Lawyers 8

Alexandra Laperle Avocate Benjamin Demers Campeau Avocat Catherine Marchand Avocate Joanie Gauthier Avocate Maude Fortin Massé Partner Samuel Gosselin-Simard Avocat Stéphanie Auclair Founder Victor St-Aubin-Dumont Partner

This firm’s lawyers at a glance

Languages on the roster
French

Where to find them

229, rue St-Vallier Ouest, Québec (Québec) G1K 1K3 · 581-531-1220

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This listing was generated by AI from public sources in July 2026. It may contain errors, and we can’t guarantee it’s accurate or complete. Before you rely on anything here, verify it on the firm’s own website. Verify licence status in the Barreau du Québec directory ↗

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