Köstenbaum Avocats has been offering customised solutions to entrepreneurs and private clients since 1976

History & Philosophy

Köstenbaum Avocats gained notoriety and know-how in the heart of the City of John Calvin, first in the Tour-de-l’Île, then moving to the Cours de Rive, before coming to its current location in Rue François-Bellot. 

Founded by Alain Köstenbaum in 1976, Köstenbaum Avocats cultivates diligence and independence, all while ensuring confidentiality and dedication to its clients.

The judicious and conscientious members of Köstenbaum Avocats law firm have been at the service of a loyal clientele for more than 40 years.


Ensuring customised and quality monitoring, honoraria are set in accordance with the law and in function of the duration of assistance, taking into account the specificities and complexity of each case.

Honoraria for the services offered by Köstenbaum Avocats are settled transparently with clients from their initial contact.