Guillaume Kellner

4.5 (33 reviews )

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Mergers and Acquisitions Law Private Equity Law

Recognized in Best Attorney USA since 2014

33 1 81 69 15 00 Website

About Guillaume

Guillaume Kellner is a top attorney recognized by Best Lawyers in the practice area(s) of Mergers and Acquisitions Law and Private Equity Law.Guillaume, who practices law in paris, France, has been recognized since 2014. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Guillaume is held by other top lawyers in the same geographic and legal practice area.

Guillaume Kellner is a top attorney recognized by Best Lawyers in the practice area(s) of Mergers and Acquisitions Law and Private Equity Law.

Guillaume, who practices law in paris, France, has been recognized since 2014. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Guillaume is held by other top lawyers in the same geographic and legal practice area.

Practice Areas

Mergers and Acquisitions Law

Private Equity Law

Awards & Recognition

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Reviews

4.5 / 5

33 Reviews

1,047 Profile Views

Drew Kreiger

Feb 04, 2026

Simply amazing representation from Guillaume Kellner's office during my recent legal matter

I was really stressed about my case in null, but Guillaume Kellner made everything so smooth and stress-free. Seriously, the best decision I've made lately was hiring them. They handled every detail w...

Darla Bartoletti

Feb 04, 2026

Great people who truly care at Guillaume Kellner - the best legal team in null

I wasn't sure who to call for my Mergers and Acquisitions Law problem, but I'm so glad I went with Guillaume Kellner. They really listened to me and understood my situation. It was such a relief to ha...

Austin Schulist

Feb 04, 2026

So glad I called Guillaume Kellner to handle my Mergers and Acquisitions Law case in null

Just wanted to say a huge thanks to Guillaume Kellner 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...