Marsigny Gosset Avocats
Marsigny Gosset Avocats is an established white-collar criminal law boutique firm that is instructed by leading companies, corporate executives and individuals to handle a range of cases, predominantly acting on the defence side. The team regularly handles high-profile cases pertaining to industrial disasters, notably in the rail transport sector and is also very adept at dealing with cross-border corruption, money laundering and tax fraud cases, regularly acting in PNF-led investigations. It also defends political figures facing high-profile accusations and has know-how resisting extradition orders, notably involving China, Russia or the US. The team recently received new types of mandates concerning cryptocurrency fraud accusations. The practice is jointly headed by the Emmanuel Marsigny, Louis Guesdon and Cyril Gosset. François Esclatine was a new arrival in early 2024 from Veil Jourde.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- ‘Exceptional team, led by the charismatic Emmanuel Marsigny.'
- ‘Deep knowledge, exceptional care for clients.’
- ‘Excellent team capable of handling very complex files’
- ‘Emmanuel Marsigny and Loius Guesdon stand out for their excellent ability to synthesize and grasp the central issues of a trial. Both of them have a great strategic capacity that is fundamental to achieving success in a criminal proceeding. They are always prompt and available in response to requests for assistance.’
- ‘Emmanuel Marsigny is an excellent lawyer. Emmanuel is detailed, reassuring, and it is a great pleasure to hear him plead. Cyril Gosset and Louis Guédon share the same ambition for quality and teamwork, which makes this firm very attractive.’
- ‘Extremely competent lawyers who know how to move very quickly while taking the time to examine all possible options; they demonstrate great creativity. Excellent teamwork and good listening skills. ’
- ‘Emmanuel Marsigny, Cyril Gosset, Louis Guesdon are remarkable lawyers. Emmanuel Marsigny pleads remarkably, negotiates with rare talent, knows how to offer solutions that are as original as they are effective. Cyril Gosset is also an excellent lawyer and leaves nothing to chance; Louis Guesdon knows how to move things very quickly and finds effective solutions; he combines a great knowledge of law with hard work.’
- ‘Emmanuel Marsigny is competent, dedicated, and very efficient. He is respectful of his clients and colleagues. You can trust him completely .’
Key clients
- Mr Edouard Philippe, Former French Prime Minister
- Mr Frank Schneider – former head of Luxembourg intelligence
- Mr Teodoro Nguema Obiang Mangue – Vice-President of Equatorial Guinea
- Mr Hongwei Meng and Mrs Grace Meng - Former President of Interpol and his family
- Mr Andrei Isaev
- Mr Philippe Marini, former senator and mayor of Compiègne
Work highlights
- Defending French national railway company SNCF in proceedings following the 2013 Brétigny-sur-Orge rail accident.
- Defending former French prime minister, Edouard Philippe, in criminal proceedings engaged with regard to the COVID-19 health crisis.
- Assisting Andreï Isaev, in resisting an extradition procedure requested by the Russian authorities in the context of a dispute with the largest Russian private bank.
Lawyers
Hall of Fame
The lawyers at the very top of the profession, widely known and respected by peers and clients for their longstanding involvement in market-leading work.
Practice head
The lawyer(s) leading their teams.
Emmanuel Marsign, Cyril Gosset, Louis Guesdon