Why choose CLS

CLS, world recognized expert in satellite data and services

For over 30 years, our teams of researchers and engineers have been processing ocean observation data from space missions, to be used for the benefit of international projects.

This data is used for various applications : forecasting climate change, monitoring accidental pollution, managing marine resources, enhancing the security and efficiency of offshore energy operations, monitoring water resources, etc.

CLS has been operating satellite systems and providing high value-added products and services since 1986.

As exclusive provider of ARGOS location and environmental data collection services for scientific and environmental applications, CLS provides data to scientists (biologists, oceanographers, climatologists) around the world to help them study and protect the planet. The data from thousands of CLS transmitters fitted on animals, oceanographic buoys, and submarine floats has provided vital information about the state of the planet’s health.

CLS’s data processing centre delivers its bulletins worldwide around the clock, 365 days a year.

Satellite-based location and environmental data collection

earth satellite observation

Provider of high value-added products and services

antennas satellite surveillance maritime

Internationally-acknowledged satellite systems


30 years of satellite-based data collection

An unrivalled database: CLS operates 40 satellite systems which carry almost 80 instruments used on a daily basis for environmental surveillance, the sustainable management of marine resources and maritime safety.