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40th Anniversary of CLS: Four Decades Shaping Space-Based Impact

Mar 27, 2026

The 40th anniversary of CLS marks more than a milestone. It tells the story of a company that has spent four decades turning space data into action for the planet. From its origins to its global expansion, CLS has built a unique path driven by science, innovation and purpose.

From the origins to global expansion

The story begins in 1986. CLS was created by CNES to operate the Argos satellite system. The ambition was clear from the start. Use space data to better understand the Earth.

The early years defined the company’s DNA. Key milestones included:

Pioneering satellite-based wildlife tracking
Advancing space oceanography
Supporting explorers and saving lives at sea
Contributing to the foundations of sustainable fisheries

CLS gradually broadened its ambitions and, by the early 2000s, entered a new phase of expansion. The company moved beyond its initial scope and established a growing international presence, notably in regions such as Indonesia and Brazil. This period was marked by a diversification of its activities, with CLS applying its expertise to a wider range of global challenges.

It played a role in tackling illegal fishing through radar satellite technology, supported the development of more sustainable fisheries with advanced forecasting models, and contributed to international efforts to better understand climate dynamics. At the same time, its capabilities extended to monitoring major infrastructure projects from space.

This shift redefined CLS. It was no longer simply a technical operator, but an increasingly global player delivering space-based solutions for environmental and societal challenges.

A new phase of acceleration and impact

From 2017 to today, CLS has entered a new chapter. One defined by acceleration, innovation and global reach.

The company has expanded through strategic acquisitions. It has strengthened its capabilities in connectivity, notably with Kinéis and Ground Control. At the same time, it has reinforced its role in environmental monitoring worldwide.

This new phase reflects a constant ambition. Put space-based intelligence at the service of the planet.

Celebrating the 40th anniversary with those who shape the journey

This 40th anniversary was recently celebrated during a dedicated ceremony. An event that brought together key voices from across the CLS ecosystem.

The ceremony was opened and closed by President Stephanie Limouzin. Clients and partners shared their perspectives and experiences, highlighting the real-world impact of CLS solutions.

Among the speakers were representatives from CNES, scientific institutions, infrastructure projects, and regional authorities. Explorers, researchers, and industry leaders also took part in the discussions.

And who better than our clients to speak about our impact?

Un agradecimiento especial a quienes compartieron sus perspectivas y experiencias:

Marie-Astrid Ravon, Deputy CEO of CNES
Jean-Louis Etienne, doctor, explorer, and polar adventurer
Jacques Caraës, navigator and Polar Pod director
Christophe Vassal, Vice-Chair of the CLS Supervisory Board
Thierry Huyghues-Beaufond, Head of Infrastructure and Construction Methods Unit, Société des grands projets
Tristan Rouyer, researcher at Ifremer and Chair of the ICCAT Scientific Committee
Nadia Pellefigue, Vice President of La Région Occitanie / Pyrénées-Méditerranée

The message was clear, CLS is not just a company. It is a community built over time.

A special thanks was extended to:

1,200 employees worldwide
Long-standing clients and partners
Suppliers and collaborators across the globe

Together, they have contributed to a shared mission. Making our “spaceship Earth” more sustainable.

As CLS celebrates its 40th anniversary, the focus is not only on the past. It is also on what comes next. The journey continues.

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