About us

One group, one team, numerous skills, numerous services

Clemessy Services can meet requirements in terms of safety, scheduling and ambitious cost reduction policies for all types of vessels (tonnage and freight) thanks to its extensive experience in project management both in shipbuilding and industry. Its multi-skilled workforce, along with being a subsidiary to the large French group Eiffage, makes it possible to quickly propose wide ranging highly technical solutions. Clemessy Services is based in Saint-Nazaire and therefore benefits from all of the numerous Saint-Nazaire - Nantes port high capacity dry-dock facilities.

EIM demi ligne copie.jpg

Ship repair and ship building experts



  • Passenger ships
  • Military ships (FREMM, PA CDG)
  • Submarines (SNA – SNLE)
  • Wind farms (Wind turbines/ Wave turbines)
  • Offshore (OFON project,…)

Ship repair 50.JPG


  • Damage works
  • Technical stops
  • Refurbishment
  • Offshore
  • Owner services (integrated solutions)

Main customers

TURNOVER                                  70 M€


WORKFORCE                                     430


EIM plant.png