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Leading firm in Global 2026
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Overview
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Thorsteinssons is Canada’s largest law firm practicing exclusively in tax. Its lawyers are consistently recognised among Canada’s leading tax practitioners. Tax is an area of great complexity. By restricting its practice to tax the firm is better able to deliver the level of skill and attention demanded by clients. The practice encompasses all aspects of taxation including tax planning, compliance and representation at all levels.
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Canada - Head office
Ontario
PO Box 789 Thirty-Third Floor, Brookfield Place Bay Wellington Tower, 181 Bay Street, Toronto, Ontario, Canada, ON M5J 2T3, Toronto
Canada
British Columbia
PO Box 49123, 3 Bentall Centre, 27th Floor, 595 Burrard Street, Vancouver, British Columbia, Canada, BC V7X 1J2, Vancouver
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Thorsteinssons LLP
Top figures
2
Offices
1964
Established in
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Industry sectors
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