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Guillaume Leclair


Areas of expertise

  • Mergers and Acquisitions
  • Development Capital and Venture Capital
  • Corporate finance transactions
  • Corporate Law
  • Corporate litigation


  • Agri-food
  • Audiovisual
  • Multi-sector
  • Associations, Professional organisations
  • Manufacturing
  • Services

Guillaume Leclair practises mainly in the areas of mergers and acquisitions, private equity, corporate law, contract law and corporate pre-litigation.

He advises manufacturing industry, services and investment funds on takeover, transfer of control, refinancing following an LBO, development capital, venture capital and restructuring operations, particularly at international level.

Guillaume is convinced that legal advice must be based on a comprehensive strategic vision of the client and in-depth knowledge of their sector.
In his day-to-day work, he enjoys teamwork, especially its multi-disciplinary aspects.

Guillaume pays particular attention to the editorial quality of the firm’s work and is uncompromising on the need for responsiveness to clients.

Guillaume is committed to Nomos’ values, of sharing, openness and multi-disciplinary approach to legal issues and cases. He is heading a complementary and supportive team.

Before joining Nomos, Guillaume Leclair practised at Rambaud Martel.
He is a member of the International Bar Association (IBA), the French American Bar Association (FABA) and the Association of Corporate Lawyers (ACE).

Guillaume’s main recent (non-confidential) transactions include

Advising SAPEC in its acquisition of a minority stake in ALGAIA
Advising Caisse des Dépôts et Consignations on its investment in the transport operator HYPE
Advising ARVATO Group in an acquisition project of a start-up company in the sector of customer loyalty
Advising TVTY in 5 fundraising transactions with equity investments of Funds (Partech International, 360 Capital Partners and Serena) and business angels.
Advising CM-CIC Capital Finance in its minority investment in Vicomte A (luxury clothes retail)
Advising ID Invest Partners for legal and tax due diligences (Léosphère, cleantech company, Techniwood)
Advising CULTURE TIME / Comeon (crowdfunding of cultural projects) for 2 fundraising transactions.
Advising BMG RIGHTS MANAGEMENT France in the acquisition of several music publishing catalogues (asset and share deals)
Advising PREMIERE MUSIC GROUPE in the acquisition of several companies in the sector of music publishing
Advising BECAUSE in the acquisition or majoritaire investment of several companies in the sector of music publishing or music recording
Advising UPC in the creation of a syndicate of film producers by way of merger with another professional syndicate


Certificate of Specialisation in Corporate Law, Masters in Business Law (University Paris X), Exchange Program LL.M. (Columbia University, New York, USA).


French, English