Thomas Beguin

Thomas Beguin

Thomas Béguin represents and advises clients before Swiss civil, criminal, administrative and arbitration courts in the context of commercial, civil and tax litigation. His areas of activity also include contracts and tax law, international mutual legal assistance in tax and criminal matters.


STEP Advanced Certificate in Trustee Investment and Financial Appraisal (2020);

LL.M Tax, with Honors, University of Geneva (2012) ;

Bar admission, all Swiss courts (2009) ;

Master of Law, University of Geneva (2007) Humboldt Universität zu Berlin (2006-2007) ;

Bachelor of Law, University of Geneva (2006).

Areas of Practice

Inheritance law, wealth and tax planning, trusts ;

Commercial, civil and tax litigation, white collar criminal litigation ;

Enforcement of foreign decisions and arbitration awards, debt enforcement proceedings, sequestration of assets,

International mutual assistance in tax matters, international mutual assistance in criminal matters, anti-money laundering regulation.

Anti-money laundering regulation

FINMA licenses under the Financial Services Act (FinSA) and the Financial Institutions Act (FinIA).


Le Temps, Comment la France cherche à contourner les forfaits fiscaux, March 5th  2019 ; La Liberté, Clients UBS appelés à se manifester, July 27th 2016 ; Le Temps, Reprendre une affaire familiale, une bonne idée ?, May 20th 2016 ; Bilan, Réforme fiscale III : des patrons se fâchent, February 11th 2015; Bilan, Cartes de crédit : La clause qui fâche, August 2015;  L’AGEFI, Genève retardé par la coordination fédérale, November 3rd 2017; Tages Anzeiger, Französische Chefs leiten ihre Firmen von der Schweiz aus, August 14th 2013.


French, English, German


Geneva Bar Association, Swiss Lawyers Federation