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Walfroy Vivier advises companies, investment funds, and financial institutions on all aspects of French and international taxation. His practice focuses on national and cross-border transactions (M&A, private equity, and real estate), and he also has experience advising management companies in connection with the implementation and structuring of investment funds and carried-interest schemes.

Walfroy advises clients in venture capital financings, equity incentive schemes, and management packages as well as financial and derivative instruments. He also assists clients on tax audits and tax litigation before the French tax authorities and tax courts.

Before joining Jones Day in 2023, Walfroy spent three years in the Paris office of a multinational law firm headquartered in London.


  • Société Générale sells Société Générale Equipment Finance's (SGEF) activitiesJones Day is advising Société Générale in the sale of the professional equipment financing businesses operated by Societe Generale Equipment Finance (SGEF) to Groupe BPCE.
  • Aluminium Dunkerque Group obtains $375 million financingJones Day advised the Aluminium Dunkerque Group and its shareholder, American Industrial Partners in the context of the refinancing of the existing indebtedness of the Aluminium Dunkerque group and the financing of its general corporate purpose.
  • Unseenlabs raises €85 millionJones Day advised Unseenlabs, a France-based company and global leader in maritime surveillance through detection and geolocation of radio frequency signals from space, in its €85 million financing for significant expansion of observation capabilities, strengthening of international presence, consolidation of private sector activities, innovation of new products and solutions, and recruitment of new talents.
  • Origine Partners forms Origine PME I fundJones Day advised Origine Partners in connection with the formation of the fund "Origine PME I", a private equity fund focusing on French companies operating in all sectors, but which generally have a B2B activity.
  • Creed sold to Kering BeautéJones Day advised the management shareholders of Creed in the sale of Creed, the largest global independent player in the high-end fragrance market, to Kering Beauté, a global Luxury group.
  • Argos Wityu holds first close for Argos Climate Action at €120 millionJones Day advised Argos Wityu in connection with the creation of the fund "Argos Climate Action", a buyout fund dedicated to decarbonizing European SMEs, which has held its first close at €120 million, reaching 40% of its initial target.