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Testimonials
Collated independently by Legal 500 research team.
‘Dominic Thérien is awesome, available and very down-to-earth. His experience makes him capable of dealing with complex files.'
‘This is one of the most responsive legal teams we have ever worked with. They are excellent at providing timely, risk-based, practical advice. McCarthys has taken the time to get to know us as an organization and has been successful at providing us with very valuable legal advice based on our risk profile.'
- ‘Very down-to-earth. Capacity to explain quickly and simply. I would also add that this team has expertise in a wide range of types of actions and is able to answer questions and look at problems from multiple perspectives. Their professionalism and track record with the Competition Bureau/Tribunal really speaks for itself.'
‘Fantastic people with great knowledge. Good responsiveness and very versed on the global stage. Absolutely reliable. Nikiforos Iatrou has been able to quickly learn about our organization and our risk profile. He is very responsive and is able to provide definitive and practical advice and guidance on a wide range of competition matters.'
‘McCarthy Tetrault's competition law team is extremely experienced and knowledgeable, which is critically important. But even more helpfully, they work hard to limit the discussion to the real issues and likely processes. This allows us to work effectively with their team and focus the most resources on the important matters. Casey Halladay and Jason Gudofsky are the best! Second-to-none with regard to international expertise.’
‘Dominic Thérien has a deep commercial mindset, directly relevant expertise and is a thought-leading, world-class competition law lawyer.'
‘The McCarthy antitrust team is the best at handling the most complex merger matters. They are tremendous advocates and provide very practical advice. Gideon Kwinter is an excellent competition law lawyer.’
‘Jason Gudofsky is the best antitrust lawyer in Canada. His entire team is tremendous. Michael Caldecott, Casey Halladay and Nikiforos Iatrou are exemplary antitrusters that can be counted on to deliver excellent results on our transactions. Responsive, highly experienced and affable.'
Key clients
- Newcrest Mining
- Blackstone and Permira
- Tapestry
- Glencore
- Masonite International
- Broadcom
- West Fraser Timber
- Rio Tinto Alcan
- Waste Connections
- TransAlta Corporation
Lawyers
Hall of fame
The lawyers at the very top of the profession, widely known and respected by peers and clients for their longstanding involvement in market-leading work.

Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.
Leading associates
Leading associates with regular involvement in their team's key work, and recognition from peers or clients as being ones to watch.
Practice head
Jason Gudofsky
Other key lawyers
Oliver Borgers; Debbie Salzberger; Nikiforos Iatrou; Casey Halladay; Dominic Thérien; Gideon Kwinter; Michael Caldecott