
Tax: Litigation
Global Guide 2026 : Canada
Rankings

Ranked Individuals
Ranked Individuals
About
Provided by Thorsteinssons LLP
Thorsteinssons’ lawyers are consistently recognized as being among Canada’s leading tax practitioners. Tax is an area of great complexity. By restricting our practice to tax, we are better able to deliver the level of skill demanded by our clients. Our practice encompasses all aspects of taxation including tax planning and restructuring, tax litigation at all court levels, and advice on compliance obligations. We provide tax advice of the highest quality to clients around the world and are known for our skillful work in highly complex matters. Our close client relationships afford us the in-depth knowledge of client businesses that is necessary to deliver the advice that our clients require. Our goal throughout is to provide our clients with valuable solutions in a timely and efficient manner.
Chambers Review
Provided by Chambers
Strengths
Provided by Chambers
The firm has the people with the requisite skills and is also very prompt and responsive at all times.
Tax: Litigation respondentGlobalYou get a full service provided by Thorsteinssons.
Tax: Litigation respondentGlobal
Notable Practitioners
Provided by Chambers
Band 1 
Band 1 
Matthew Williams
Matthew Williams has an impressive reputation for his tax litigation work, particularly in tax controversy cases. He is based in Toronto.
Matthew is a great litigator.
Tax: Litigation respondentGlobalMatthew is an excellent tax litigator. He has been practicing tax litigation for more than 20 years and is highly respected in the community.
Tax: Litigation respondentGlobal
Band 4 
Band 4 
Ian Gamble
Vancouver-based Ian Gamble provides tax counsel to a broad array of clients in sectors including natural resources and telecoms.
Band 5 
Band 5 
Paul Gibney
Toronto-based Paul Gibney is well known in the market for his work on corporate tax issues and tax planning. He regularly advises private individuals, as well as corporate clients. Paul is outstanding in every aspect of representing clients and working on complex matters.
Tax: Litigation respondentGlobal
Ranked Individuals at Thorsteinssons LLP (3)
Members
Provided by Thorsteinssons LLP

Paul Gibney
View profile of Paul Gibney
Ian Gamble
View profile of Ian Gamble
Matthew Williams
View profile of Matthew Williams
Thorsteinssons LLP has rankings in the following guides
Band 3
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