Chambers Global Practice Guide 2023 – White-Collar Crime

Chambers Global Practice Guides provide in-house counsel with expert legal commentary on the main practice areas in key jurisdictions around the world. Fanny Margairaz and Grégoire Mangeat contributed to the White-Collar Crime 2023 Guide for Switzerland with their Law & Practice publication.


1. Legal Framework
2. Enforcement
3. White-Collar Offences
4. Defences / Exceptions
5. Burden of Proof and Assessment of Penalties

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About the Authors

Fanny Margairaz

Fanny is a partner in MANGEAT’s Litigation and Financial Crime and Investigations team, with more than ten years of practice.

She has experience in a wide range of contentious matters, with a strong focus on white-collar criminal proceedings, asset tracing, and legal and administrative assistance (criminal and financial matters). She regularly represents domestic and international clients before the Office of the attorney general and the courts, including high profile white-collar crime cases both at cantonal and federal level.

She holds a master’s degree in advanced studies in economic crime investigation and is a member of the Human Rights Commission of the Geneva Bar Association (since 2011), as well as the Women’s White Collar Defense Association (WWCDA).

Learn more about Fanny

Grégoire Mangeat

Grégoire is one of the founders of MANGEAT and Former Chairman of the Geneva Bar Association (2016–18). He has over 20 years’ experience as a litigator, with strong expertise in white-collar crime.

He specialises in representing Swiss and foreign clients in criminal and mutual legal assistance proceedings. He also specialises in the delisting of people or entities from sanction lists and in legal and administrative assistance (tax, criminal and financial matters) and has appeared in several cross-border and multi-jurisdictional proceedings.

He is a member of the European Criminal Bar Association, European Fraud and Compliance Lawyers, and The International Academy of Financial Crime Litigators.

Since 2011, he has been a lecturer at the University of Geneva.

Learn more about Grégoire