Antoine Guilmain

Antoine Guilmain

Privacy and Data Security Law
Recognized in Best Attorney USA since 2025

About Antoine

Antoine Guilmain is a partner in Gowling WLG's Montréal office where he co-leads the firm's national Cyber Security and Data Protection Law Group. He holds two PhD's in Information Technology Law from the University of Paris 1 Panthéon-Sorbonne and the University of Montréal. He has published multiple monographs and articles, frequently gives conferences, and teaches at several universities.

Antoine Guilmain is a partner in Gowling WLG's Montréal office where he co-leads the firm's national Cyber Security and Data Protection Law Group. He holds two PhD's in Information Technology Law from the University of Paris 1 Panthéon-Sorbonne and the University of Montréal. He has published multiple monographs and articles, frequently gives conferences, and teaches at several universities.

Antoine Guilmain is a partner in Gowling WLG's Montréal office where he co-leads the firm's national Cyber Security and Data Protection Law Group. He holds two PhD's in Information Technology Law from the University of Paris 1 Panthéon-Sorbonne and the University of Montréal. He has published multiple monographs and articles, frequently gives conferences, and teaches at several universities.

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Reviews

4.5 / 5

34 Reviews

1,034 Profile Views

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Arturo Adams

Feb 04, 2026

A huge weight off my shoulders thanks to the amazing work of Antoine Guilmain

Everyone at Antoine Guilmain's office in Montréal was so nice and helpful. They made a tough situation a lot easier to deal with by being so patient and explaining everything clearly. I never felt lik...

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Kristin Veum

Feb 04, 2026

Really helpful and compassionate service from everyone at Antoine Guilmain's firm

Just wanted to say a huge thanks to Antoine Guilmain and the staff. They really went above and beyond for me and my family during a very difficult legal battle. We couldn't have done it without their...

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Everett Donnelly

Feb 04, 2026

Would recommend Antoine Guilmain for sure to anyone in Montréal needing legal help

Just wanted to say a huge thanks to Antoine Guilmain and the staff. They really went above and beyond for me and my family during a very difficult legal battle. We couldn't have done it without their...

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Freddie Raynor

Feb 04, 2026

Great people who truly care at Antoine Guilmain - the best legal team in Quebec

I wasn't sure who to call for my Privacy and Data Security Law problem, but I'm so glad I went with Antoine Guilmain. They really listened to me and understood my situation. It was such a relief to ha...

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Belinda Bayer

Feb 04, 2026

So happy with the results of my case thanks to the hard work of Antoine Guilmain and staff

If you're looking for someone who actually cares and will fight for you, go to Antoine Guilmain. They helped me out big time with my Privacy and Data Security Law issue and kept me informed at every s...