Guillaume Gremion was admitted to the Bar in 2022, after having completed his lawyer’s internship in a law firm specializing in tax law, real estate law, corporate law and contract law.

Guillaume Gremion advises both individuals and corporations regarding their tax and asset planning. In case of tax litigation, he also represents the taxpayers before administrative and judicial authorities, both cantonal and federal.

Willing to specialize in the various fields of tax law, Guillaume Gremion is completing a PhD at the Chair of Tax Law of the University of Neuchâtel in parallel to his activity as an Attorney-at-law.

Icone mailguillaume.gremion@leax.ch


2022 Republic and Canton of Geneva
Admission to the Bar
2020 University of Geneva, Faculty of Law
Certificate of Advanced studies in legal professions
2016 - 2019 University of Neuchâtel, Faculty of Law
Master of Law, with a one-year exchange at the university of Luzern
2012 - 2015 University of Neuchâtel, Faculty of Law
Bachelor of Law


2019/2022 - Lenoir Delgado & Associés SA, Geneva Jurist and Trainee lawyer
2016/2019 - Military court 1 Deputy Judge