
About Onsen
As a multidisciplinary firm, Onsen has been supporting companies for 23 years
Onsen Conseil is a strategy firm specialized in the development and recovery of industrial enterprises.
All seniors, fortified by our international experience, our consultants and experts accompany our clients, family businesses, SMEs or ISEs, thanks to an approach combining the client’s teams and their own expertise with our internal skills as well as the expertise of our partners.

Onsen, the History
1998
Creation of the consulting firm ONSEN
2003
ONSEN joins La Chambre Nationale des Conseils Experts Financiers.
2012
The Herrikoa fund enters the capital of Onsen.
2020
Onsen becomes a member
of Aerospace Valley.
Onsen is involved in the life of territories and the improvement of counselling services.
Onsen is one of the expert consultancies and regularly works with professional organizations and associations such as UIMM, CCI Bayonne Pays Basque, ADI (Agence de Développement et d'Innovation la Région Nouvelle-Aquitaine or IDESO. Lastly, the company’s export support services are approved by Bpifrance Prospection Support Insurance.