Gilles Gaillard

Gilles Gaillard


Practice areas


  • Bar admission: 1993
  • LL.M., Cambridge University
  • Post-graduate degree (DEA) in Business Law, Paris University II Panthéon-Assas
  • Master’s degree in Business Law and Taxation, Paris University II Panthéon-Assas
  • Lybrand (became Landwell then PwC) (1993)
  • Magellan (Mazars group) (1999), Partner in 2001
  • De Gaulle Fleurance & Associés (2002), Partner in 2005
  • Partner, Altana (2017)

Practice Areas:

  • Mergers & Acquisitions

Areas of expertise:

  • Has developed over more than twenty years of solid expertise in corporate finance and business law and insurance law
  • Specializes in public and private mergers and acquisitions, capital investment and corporate restructuring for French and international clients
  • Particularly extensive experience in the finance, insurance, pension funds and life science sectors


  • French
  • English


  • Featured in the rankings established by Legal 500, Décideurs (Leaders League) and Option Droit & Affaires. In December 2018, the M&A team was awarded, for the sixth year in a row, a 4-star ranking for M&A transactions up to €200M by Option Finance / Option Droit & Affaires.


  • IBA
  • AMRAE (Association for the Management of Corporate Risks and Insurance)
  • Cercle des Administrateurs


  •  « The influence of merger control on the early stages of M&A deals », The American Lawyer,  May 2018
  • « Réforme du droit des contrats et opérations sur titres : Des retouches attendues et salutaires », Fusions & Acquisitions Magazine, November/December 2017

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