About us


Latest news

Clemessy at the Paris Le Bourget Airshow


Clemessy which encompasses all the skills and expertise dedicated to world of industry will be present at the Paris Le Bourget Airshow from 17th to 23rd June 2019.
Clemessy is recognised as one of the European leaders in the space ground segment, the aeronautics sector and the national defence sector.
Specialising in design, integration, maintenance and operation work, we develop offers which enable us to meet your requirements [...] 

Learn more


Clemessy Switzerland has been selected by Airbus Defence & Space in Germany for the design, development, integration and delivery of the Electrical Ground Support Equipment aimed to test and validate the unique instrument of the BIOMASS satellite.
BIOMASS is a European Space Agency program which is dedicated to observe the evolution of the forest density on our planet.

The Earth Explorer BIOMASS will provide [...]

Learn more

Setters project


Clemessy Switzerland has been selected by CNES, the French Space Agency, for the European Spaceport Tracking Stations renewal in Kourou, Saint-Jean-du-Maroni, Toulouse (France), Natal (Brazil), Saint-Hubert (Canada), Bermuda (UK), Ascension (UK), Santa-Maria-de-Azores (Portugal), Libreville (Gabon), Malindi (Kenya) and New-Norcia (Australia).

The project will be performed by a European [...]

Learn more