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‘When you have reached the top of the mountain, continue climbing’ – Tibetan saying

“The firm is highly skilled in the coordination of multi-jurisdictional transactions, with assertive, efficient, having finesse and creativity lawyers to be , with real technical experience and a deep understanding of our business.” (Chambers 2022 / Rank Band 1 M&A Mid cap)

Lawyer at the Paris Bar since 1995, Hervé Castelnau is Partner – Corporate Law practice since 2016.

Since 30 years, Hervé’s dominant activity consists is in mergers and acquisitions and private equity in France and Africa, for predominant industrial players, family group shareholders, growth companies and investment funds.
He is principally involved in the telecoms, media and new technologies sectors as well as in the agrifood, automotive and luxury sectors. He also has specific experience in assisting state-owned companies.
Hervé has been advising French and international clients in their M&A transactions for more than twenty years. His experience encompasses all aspects of Corporate law, in particular transactions involving acquisitions, joint ventures, privatisations, restructurings of companies and business agreements.

Before joining Latournerie Wolfrom Avocats, Hervé practiced in 1988 at Coudert Brothers in New York and Coudert Brothers in Paris, prior to participating in the creation of SDM&C in 1994 and joining Norton Rose, where he managed the M&A practice, and joining Jones Day in 2011.




• Mergers & Acquisitions
• Joint-ventures
• Privatisations
• Restructurings
• Complex Agreements
• State-owned companies


• LLM in Corporate Law (New York University, USA)
• French Institute of Political Studies – Sciences Po
• Postgraduate degree (DEA) in Community and European Law (University Paris I Panthéon-Sorbonne).
• Master’s degree in Business Law/Tax Law (University Paris II – Assas)


• French
• English
• Spanish
• Portuguese


• Member of the French Counsel of Investors in Africa (Conseil français des Investisseurs en Afrique (CIAN))
• Member of Club Afrique – France Invest


• Interview « Le marché de l’audiovisuel bouleversé -dans le bon sens- par la crise Covid » , B Smart (mai 2021)
• Conference LWA Décryptages « Le risque RSE : Quelles nouvelles responsabilités pour l’entreprise et ses dirigeants ? » (avril 2021)
• Cession d’entreprise: l’art et la manière (Transfer of a company: the art and the manner) : Le Figaro (June 2020)
• La Lettre des Télécommunications (Les Echos Group) – Edition Multipmedi@
• Table Ronde/Cahiers de droit de l’Entreprise (juillet 2022)
• Club des Juristes ; « Société à mission et Raison d’être » (mars 2022)
• Conference sur : « Les Assises du Risque de l’entreprise LJA » (La Lettre des Juristes d’Affaires) (janvier 2022)