Sébastien Poirier

Environmental Law
Recognized in Ones to Watch since 2026

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Reviews

4.4 / 5

7 Reviews

1,045 Profile Views

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Amara Okonkwo

Jan 04, 2026

Always Available and Kept Me Informed Throughout

When my small business faced an environmental compliance issue in Montréal, I was overwhelmed. Sébastien Poirier was incredibly responsive from day one. He answered all my calls promptly, explained co...

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Henrik Johansson

Jan 04, 2026

Unmatched Knowledge of Québec Environmental Regulations

As a property developer, I needed expert guidance on soil contamination laws. Sébastien's expertise was immediately apparent. He cited specific cases from the University of Montreal's research and rec...

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Yuki Nakamura

Jan 04, 2026

Secured a Landmark Settlement for Our Community

Our neighborhood in Montréal was affected by industrial pollution, and we sought Sébastien's help for a class action. He negotiated tirelessly with the corporation's legal team. The result was a $2.3...

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Fatima Al-Rashid

Jan 04, 2026

Showed Genuine Care During a Difficult Time

After a chemical spill impacted my family's health, I felt lost. Sébastien listened with such compassion, understanding our fear and frustration. He didn't just see us as a case—he checked in on our w...

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Diego Alvarez

Jan 04, 2026

Exemplary Professionalism and Stellar Reputation

Hiring Sébastien Poirier for our corporate environmental audit was a decision based on his impeccable reputation. His professionalism was evident in every interaction—meticulous documentation, punctua...