Groupe Piette Avocats is a law firm with offices in Granby and Cowansville, Quebec, composed of three lawyers: Leilani Piette, Marie-Ève Prévost and Claudel Vachon. The firm practices civil law, corporate law, family law, criminal law and youth protection law (DPJ), offers bilingual service in French and English, and accepts certain legal aid mandates in family, youth protection and criminal law matters.

Practice areas

Business & Corporate Law Family Law Wills, Estates & Trusts

Good to know

A person using a wheelchairAccessible parkingA professional woman in a suit beside a briefcaseWoman-ownedA laptop showing a video callVirtual appointmentsAn office interior with a desk and chairsIn-person services

Fees & payment

Scales of justice and a gavel above a Legal Aid bannerLegal aid

Lawyers 5

Jean-François Nadon Avocat / MBA Josée Carpentier Avocate, D. Fisc. Leilani Piette Avocate Marie-Ève Prévost Avocate Wills, Estates & Trusts Megan Simard-Lussier Avocate

This firm’s lawyers at a glance

Called to the bar
2012 · median 14 years in practice 1 of 5 lawyers
Languages on the roster
English, French

Who handles what

Offices 2

Granby450-994-3939

72, rue Principale, Granby (Québec) J2G 2T4

Cowansville450-994-3939

200, boul. Davignon, Local B, Cowansville (Québec) J2K 1N9

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This listing was generated by AI from public sources in August 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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