Sheahan LLP
5 lawyers · Montréal
One of 42 law firms listed in Westmount, and one of 5 handling Administrative & Regulatory Law.
Sheahan LLP is a boutique law firm in Westmount, Quebec, focused exclusively on environmental law. Founded by Anne-Marie Sheahan, the firm has practised in the field for more than 30 years, advising clients in the mining, pulp and paper, manufacturing and other industrial sectors on environmental compliance, permitting, remediation of contaminated sites, and environmental due diligence for business transactions.
Practice areas
Lawyers 5
This firm’s lawyers at a glance
- Called to the bar
- 1991–2026 · median 6 years in practice 5 of 5 lawyers
- Law schools
- McGill University (2), Université de Montréal (2), University of Ottawa 5 of 5 lawyers
- Languages on the roster
- English, French
Where to find them
4620 Sainte-Catherine St. West, Westmount, QC H3Z 1S3 · 514-507-9146
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Health LawListing compiled from the firm’s public website in July 2026. Verify licence status in the Barreau du Québec directory ↗