Christianson TDS Welcomes Carli Owens to the TDS Portage Office

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True North Square

Manitoba Based Founding Partner

TDS is the Manitoba Based Founding Partner in True North Square


Lex Mundi

TDS has relationships with firms in 100+ countries

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About Thompson Dorfman Sweatman LLP

When it comes to professional services, relationships matter and so does experience. Thompson Dorfman Sweatman LLP (TDS) has valued client relationships that go back generations.

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Trusted by Clients for Over 130 years

In 1887, construction of the Eiffel Tower started in Paris, Queen Victoria celebrated her Golden Jubilee in London and two lawyers from Winnipeg founded a law firm that would become known for reliability.

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