Gaël Peyneau
Founding Partner
Main areas
- Contract law
- Corporate law and shareholder disputes
- Directors’ liability
- Commercial and professional leases
- Banking and finance disputes
- Debt recovery

Profile
Gaël Peyneau practises corporate, contract and commercial lease law, both advisory and contentious, drawing on more than ten years spent running businesses.
Gaël Peyneau has practised as an avocat since 2004.
Before joining the profession, he spent more than ten years running businesses in a range of sectors.
After starting out at Simon & Associés, he set up his own firm in 2007, focusing on corporate, contract and commercial lease law, both advisory and contentious.
He also holds a licence as a real estate agent.
He has taught contract and tort law at Paris I Panthéon-Sorbonne University.
He is a graduate of Paris II Panthéon-Assas University, where he completed Professor Hervé Synvet’s postgraduate programme (DEA) in business law.
News and insights
At Moove On, serving Mobilians and its members
The firm welcomes Virginie Stauder de Pierrepont’s election as President of Mobilians.
API access on a global platform: Paris court penalises an abrupt price rise
Acting for AgoraPulse, the firm won findings of partial abrupt termination and significant imbalance, with the court keeping the case despite a clause giving jurisdiction to the Irish courts.
Legal 500: ranked again for EU, Competition and Distribution
Emmanuel Tricot, Gaël Peyneau and Antoine Meyer-Woerth are individually recommended.
Chambers: among the twelve leading firms for distribution and commercial contracts
Just two years after it was founded, Rive Gauche Avocats is ranked by one of the leading international guides.
Mobilians New Year reception 2026 at the Automobile Club
Emmanuel Tricot and Gaël Peyneau attended at the invitation of Francis Bartholomé, President of Mobilians.
The 50/50 partnership: an explosive model? The Vilebrequin case
Gaël Peyneau and Hector Gitton-Quent, in Opinion Internationale, on the right questions to ask before going into business as equal partners.






