Marsigny Gosset Avocats > Paris, France > Firm Profile
Marsigny Gosset Avocats Offices
189, BOULEVARD SAINT-GERMAIN
75007 PARIS
France
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Marsigny Gosset Avocats > The Legal 500 Rankings
France > Dispute resolution: White-collar crime Tier 2
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.
Practice head(s):
Emmanuel Marsign; Cyril Gosset; Louis Guesdon
Other key lawyers:
Testimonials
‘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.
Marsigny Gosset Avocats > Firm Profile
The firm: MARSIGNY GOSSET AVOCATS is an independent practice which is fully dedicated to criminal law. It provides assistance to both French and international clients – natural or legal persons, States and institutions – in the face of all criminal jurisdictions in France, as well as in internal investigations.
It also supports its clients in complex international proceedings, involving the main foreign and international penal and regulatory entities, including (in particular) Interpol.
The practice has a national and international reputation, and has distinguished itself for its ability to handle the biggest criminal proceedings characterised by complex legal issues, which are heavily publicised and / or have important stakes.
Areas of practice: MARSIGNY GOSSET AVOCATS assists its clients in preventing criminal risks and acts in litigation, internal investigations and international proceedings. The team also advises on white-collar crime affairs (breaches of probity, securities law, tax, employment, consumer, healthcare, etc.), in the context of prosecutions following major disasters, as well as in general criminal law matters relating to offences against persons or property, press law and civil rights. The firm’s lawyers regularly appear before both ordinary and specialized courts.
They regularly work with other lawyers to form defense teams on cases requiring thorough knowledge of the inner workings of the criminal justice system.
Experience: The team has acted in several highly visible cases, including, among others, the Concorde crash, the Madoff case, the Wagram Circle case, the Médiator case, the Brétigny-sur-Orge rail disaster, the alleged embezzlement of the Eurodisney Works Council, the so-called “ill-gotten gains” case (also known as the “biens mal aquis” case) involving France and Equatorial Guinea, the disappearance of the Interpol President, the Balkany case, the ENI-SAIPEM/SONATRACH case, etc.
Main Contacts
| Department | Name | Telephone | |
|---|---|---|---|
| White-collar crime | Emmanuel Marsigny | emarsigny@marsignygosset.eu | + 33 (0)1 53 71 20 00 |
| White-collar crime | Cyril Gosset | cgosset@marsignygosset.eu | + 33 (0)1 53 71 20 00 |
| White-collar crime | Louis Guesdon | lguesdon@marsignygosset.eu | + 33 (0)1 53 71 20 00 |
| Involuntary manslaughter (large-scale disasters) | Emmanuel Marsigny | emarsigny@marsignygosset.eu | + 33 (0)1 53 71 20 00 |
| Involuntary manslaughter (large-scale disasters) | Cyril Gosset | cgosset@marsignygosset.eu | + 33 (0)1 53 71 20 00 |
| Involuntary manslaughter (large-scale disasters) | Louis Guesdon | lguesdon@marsignygosset.eu | + 33 (0)1 53 71 20 00 |
| Criminal tax fraud | Emmanuel Marsigny | emarsigny@marsignygosset.eu | + 33 (0)1 53 71 20 00 |
| Criminal tax fraud | Cyril Gosset | cgosset@marsignygosset.eu | + 33 (0)1 53 71 20 00 |
| Criminal tax fraud | Louis Guesdon | lguesdon@marsignygosset.eu | + 33 (0)1 53 71 20 00 |
| Probity offences | Emmanuel Marsigny | emarsigny@marsignygosset.eu | + 33 (0)1 53 71 20 00 |
| Probity offences | Cyril Gosset | cgosset@marsignygosset.eu | + 33 (0)1 53 71 20 00 |
| Probity offences | Louis Guesdon | lguesdon@marsignygosset.eu | + 33 (0)1 53 71 20 00 |
| Seizure of assets | Emmanuel Marsigny | emarsigny@marsignygosset.eu | + 33 (0)1 53 71 20 00 |
| Seizure of assets | Cyril Gosset | cgosset@marsignygosset.eu | + 33 (0)1 53 71 20 00 |
| Seizure of assets | Louis Guesdon | lguesdon@marsignygosset.eu | + 33 (0)1 53 71 20 00 |
| Extradition | Emmanuel Marsigny | emarsigny@marsignygosset.eu | + 33 (0)1 53 71 20 00 |
| Extradition | Cyril Gosset | cgosset@marsignygosset.eu | + 33 (0)1 53 71 20 00 |
| Extradition | Louis Guesdon | lguesdon@marsignygosset.eu | + 33 (0)1 53 71 20 00 |
Lawyer Profiles
| Photo | Name | Position | Profile |
|---|---|---|---|
|
Cyril Gosset | Partner | View Profile |
|
Louis Guesdon | Partner | View Profile |
|
Emmanuel Marsigny | Founding Partner | View Profile |
Staff Figures
Number of lawyers : 10Languages
English French German Italian Romanian SpanishMemberships
International Bar AssociationOther
Contact : Emmanuel Marsigny Contact : Cyril Gosset Contact : Louis Guesdon- Dispute resolution: White-collar crime