LAWYER PROFILE
Jonathan Mattout

Jonathan Mattout

France 2026

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Ranked in 2 practice areas

About

Provided by Herbert Smith Freehills Kramer LLP

Practice Areas

- Commercial Litigation

- Corporate Crime and Investigations

- Compliance Advisory

- Cyber Risk Advisory

- Financial Services Regulatory

Career

Jonathan is a partner based in our Paris office. Jonathan heads the Corporate Crime & Investigations and Compliance practice in Paris, and is Regional Head of our Corporate Crime and Investigations practice in EMEA. He is also Deputy Global Head of the firm's Corporate Crime and Investigations practice. Jonathan has over 20 years' experience in white-collar crime disputes, whether in the field of defence or in that of advice. He mainly assists his clients in criminal proceedings (whether as defendants or victims) both in France and abroad, in the context of internal investigations, crisis management or the prevention and detection of criminal risk, particularly in relation to the risks of corruption, money laundering, international economic sanctions or the obligations arising from the duty of vigilance. He acts for top-tier domestic and international companies as well as their directors in connection with all types of legal proceedings, notably in relation to economic and financial crime, cybercrime, market abuse and industrial accidents. He also advises numerous companies in setting up or strengthening their anti-corruption compliance programmes and in audits carried out by the French Anti-Corruption Agency (AFA). He has worked in Asia, the US, London and Hong Kong and has advocated before certain courts in Francophone Africa. Jonathan is admitted in the Paris bar and speaks French and English fluently. Jonathan teaches at SciencesPo Paris and regularly speaks in seminars on corporate and financial crime and compliance. Jonathan is currently a member of the Advisory Board of the IBA's ‘Business Crime Committee’, as well its former Co-Chair.

For additional information on Jonathan’s professional background, please visit: https://www.herbertsmithfreehills.com/our-people/j/jonathan-mattout

Chambers Review

Provided by Chambers

Chambers France

Corporate Compliance & Investigations - France

Band 2
Band 2

Individual Editorial

Jonathan Mattout brings notable expertise in internal investigations proceedings, international sanctions and anti-corruption regulations. He routinely assists clients with inspections by the French authorities.

Editorial individuel

Jonathan Mattout a une expertise notable en matière de procédures d’enquêtes internes, de sanctions internationales et de réglementation anticorruption. Il assiste régulièrement ses clients dans le cadre d’inspections effectuées par les autorités françaises.

White-Collar Crime - France

Band 4
Band 4

Individual Editorial

Jonathan Mattout advises clients on financial crime cases, including money laundering, misuse of corporate assets and fraud. He is equally adept at handling corruption and cybercrime mandates. His expertise attracts domestic and international clients.

Editorial individuel
Jonathan Mattout conseille ses clients dans les affaires de criminalité financière, notamment le blanchiment d'argent, le détournement de fonds et la fraude. Il est tout aussi compétent pour traiter les dossiers de corruption et de cybercriminalité. Son expertise attire une clientèle nationale et internationale.

Strengths

Provided by Chambers

  • Jonathan Mattout is a valuable ally we can always count on. He shares his ideas and advice constructively, clearly and independently, which greatly enriches our thinking.

    Corporate Compliance & InvestigationsChambers France
  • Jonathan is extremely knowledgeable on the subject. He's also very approachable, always makes room to talk to you. He's also very calm even when everyone is panicking.

    Corporate Compliance & InvestigationsChambers France
  • Jonathan is responsive, attentive and knows our team, our group and how they work very well.

    Corporate Compliance & InvestigationsChambers France
  • The service provided by Jonathan is simply exceptional. His level of expertise, his perspective on the subjects, and the finesse of the advice provided are among the best we have found on the market.

    Corporate Compliance & InvestigationsChambers France
  • Le service fourni par Jonathan est tout simplement exceptionnel. Son niveau d'expertise, sa vision des sujets abordés et la finesse de ses conseils figurent parmi les meilleurs que nous ayons trouvés sur le marché.

    Corporate Compliance & InvestigationsChambers France
  • Jonathan Mattout est un allié précieux sur lequel nous pouvons toujours compter. Il partage ses idées et ses conseils de manière constructive, claire et indépendante, ce qui enrichit considérablement notre réflexion.
    Corporate Compliance & InvestigationsChambers France

Ranked Individuals at Herbert Smith Freehills Kramer LLP (26)

France

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