Sylvain Serafini - CEO

Company profile

France Thermes owns, develops and operates two thermal resorts in Bagnoles de l’Orne (Normandy) and Châtel-Guyon (Auvergne). In 2017, France Thermes welcomed nearly 20,000 guests and generated turnover of nearly EUR 19 million.

The group currently operates the B’O Resort in Bagnoles de l’Orne (, a leading provider of thermal rheumatology and phlebology treatments in northwestern France. The site has been revitalised and remodelled as a thermal resort through a significant investment programme driven by Sylvain Serafini and his team, and now hosts nearly 13,000 guests a year. On the back of this first successful venture in Bagnoles de l’Orne, France Thermes is building a new thermal resort in Châtel-Guyon ( that will provide an offer unique in Europe focused on digestive health and gut flora, in addition to rheumatology. 

Investment rationale

Since 2013, France Thermes has belonged to Normandie Capital Investissement, Initiative et Finance, Volney Développement and Sylvain Serafini, Chairman of the group since 2009. Gimv's current investment as well as the commitments taken, are aimed at continuing the development of the company's existing thermal resorts and supporting its active expansion and acquisition policy.


Growth strategy

The group is one of the French thermal spa sector's most dynamic players, with widely recognised expertise in the development of thermal resorts. It is growing fast and aims to consolidate its market by capitalising on efficient operations, by focusing on high-quality facilities and care for medical and recreational thermal spa users, and on constructive collaboration with all the players in its ecosystem (healthcare professionals, local authorities, etc.). The Health & Care team is happy to support the group in carrying out their ambitious plans for a 'buy and build' strategy: growth through acquisitions (buy) and on own strength (build).

France Thermes

Benoit Chastaing, Partner

Benoit joined Gimv's Health & Care team in 2016. Before Benoit was Head of M&A and IR at Medipole Partenaires Group (the 3rd largest private healthcare organizations in the territory with 55 care centers). As such, he was member of the Executive Committee of the group. He joined the management team of Medipole Partenaires in 2007. He directed many high level operations for the Group (acquisition, LBO operation, bond financing, etc.). In 2013, Benoit was a leader in one of the largest transactions of the sector (€1.1 billion): the merge of Médi-Partenaires and Medipole Sud Santé to give rise to the third largest health group in France.

Prior to joining Medipole Partenaires, Benoit worked at PwC as an auditor, then joined Rexel where he held several responsibilities both in France and abroad, most recently as Chief Financial Officer of southern Europe.
He graduated from ESCEM and the IMD Lausanne. Former auditor of IHEDN (66th SN), He is also a reservist in the French Navy (Lieutenant Commander).


+33 1 58 36 45 77

83, rue Lauriston
75116 Paris


Benoit Chastaing