CLS group is, as usual, taking part in the world’s largest Ocean Technology & Science event this March.

Join us at ExCel London between 12-14 March to discover our ocean technology innovations and solutions.

Don’t miss out, book an appointment now with one of our experts.

CLS your partner for 35 years


Argos Airtime & Services

CLS group, unique provider of Argos satellite telemetry services, offers a full range of Argos products and services.

With Kinéis, a 25 nanosatellite constellation carrying the next ARGOS instrument, CLS is preparing the future of telemetry. Want to know more? Meet us at OI.


Iridium Airtime & Services

CLS group is a world leader Iridium services provider with competitive pricing and unmatched expertise worldwide, providing the full range of airtime services (SBD, RUDICS, CERTUS etc.) and products (modems, antenna), as well as engineering support & expertise for integration.

Come and see!

Discover a wide variety of hardware

Discover a range of universal satellite trackers exclusive to CLS group that are both affordable & easy to use, providing you with more security for your equipment and ensuring you get more from your ocean network.

Set up a meeting to see how our hardware can help you with equipment recovery, equipment monitoring, environmental tracking and smart ocean IoT.


Your dedicated experts

julien freville

Julien Freville

Sales Manager
Environment & Climate
Woods Hole Group, USA

fabiola yervis

Fabiola Yervis

Business Development Manager
Environmental Monitoring
TRE- Altamira, Canada

Solène Routaboul

Solène Routaboul

Telemetry Business Developer
Environment & Climate
CLS, France