Sébastien Poirier

Environmental Law
Recognized in Ones to Watch since 2026

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Reviews

4.4 / 5

7 Reviews

1,046 Profile Views

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Mei Lin Zhang

Jan 04, 2026

Turned a Regulatory Nightmare into a Smooth Resolution

Facing unexpected environmental fines for my manufacturing plant, I contacted Sébastien. He combined sharp analytical skills with practical solutions, identifying procedural errors in the enforcement...

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Lakshmi Patel

Jan 04, 2026

Strategic Guidance That Protected Our Non-Profit's Mission

Our environmental charity in Montréal faced a legal challenge over land use permissions. Sébastien provided strategic counsel that balanced legal rigor with our ethical goals. He anticipated oppositio...