Fabien Billet

Partner (M&A / Private Equity)
After more than ten years working in the Private Equity / M&A / Stock Exchange / Corporate Law departments of some of the most renowned law firms in Paris (Ayache Salama from September 2007 to June 2010 and Kahn et Associés from August 2010 to 2014), beginning of 2015 Fabien co-founded the firm of Walter Billet Avocats, dedicated to advising and assisting companies and investment funds.
Fabien is specialized in corporate law and securities regulation, particularly in the IT, telecoms, Internet, biotechnology and energy sectors.
Fabien works with a number of growing businesses (or their manager shareholders), both listed and unlisted, and investment funds on issues such as fundraising, mergers and acquisitions, IPOs, restructuring and disposals, in France and internationally.
Languages spoken: French, English.
Contact: fabien@walterbillet.com
LinkedIn: linkedin.com/in/fabien-billet
Recent transactions
- Walter Billet Avocats is assisting with the reorganization of the family shareholding of Riviera Villages 22 May 2026
- Foodtech: Walter Billet Avocats advises Standing Ovation for its $34.2 million funding round 31 March 2026
- Insurtech: Walter Billet Avocats advises Akur8 on the acquisition on Slope Software 17 March 2026
- Walter Billet Avocats advises the founders of Koyeb and its financial shareholders during the startup’s acquisition by Mistral AI 17 February 2026
- Walter Billet Avocats advises investors on the acquisition of Group-Solutions by the Pandora Group 26 January 2026
- Business Advisory: Walter Billet Avocats advises PeersGroup on the acquisition of Hutisa and Gioza 22 October 2025
- Industrial engineering: Walter Billet Avocats advises Syclef on the acquisition of Acti Froid 33 23 September 2025
- Walter Billet Avocats advises Entrepreneur Invest on the merger of Optimix and Maxxing 3 July 2025