Complex systems and small satellites
When New Trends Meet the Traditional Satellite Industry
C3S LLC stands out in the space industry by simultaneously representing NewSpace trends and the traditional large satellite sector. Over the past decade, the company has successfully integrated into the supply chains of major industry players as well as emerging NewSpace actors. This unique position allows the company to deliver unparalleled reliability and longevity for its clients’ space assets while offering innovative solutions that meet the high demands of both segments.
With a 100% mission success rate, we have earned a solid position in the European market, becoming an indispensable player among global CubeSat developers. We believe every mission can be accomplished — and we build our systems accordingly.
KEY PRODUCTS
C3S SERVICES

End to End Solutions
From concept to orbit, we provide end-to-end mission support, including mission planning, platform design and manufacturing, integration and testing, launch management, and satellite operations to ensure mission success. Our capabilities include in-house integration, verification, and environmental qualification, supported by space-proven electronics and flexible payload accommodation.

Launch Management
We provide launch opportunities, arrange launch deployment, and oversee the management, supervision, and coordination of technical interfaces, equipment, and documentation required for launch acceptance. Launch vehicle integration involves the final flight preparation, satellite checkout, and integration with the launch vehicle at the launch site.

Mission Operation Center
C3S MOC is a comprehensive system for managing satellites and tracking stations, handling TC/TM data, offering customizable interfaces for third-party connections, and providing an integrated on-site satellite testing solution. Track and command satellites from launch until deorbiting.

Ground Operation
Our UHF and VHF ground stations ensure low-latency connection to orbiting small satellites, facilitate reliable tracking, offers stable communication, and enables fast data processing. Our 3m parabolic dish antenna features an advanced antenna feed with an integrated low-noise block for S-band downlink with circular polarization.
NEWS
RadCube was successfully launched
On the 17th of August 2021, at 03:47 CEST, C3S’s 3U-sized satellite platform was successfully launched into Low Earth Orbit. Since the launch by Arianespace Vega VV19 rocket we were able to establish a connection with Radcube, so a little time after the separation, we...
RadCube will be launched on the 17th of August, 2021
On the 17th of August, 2021 C3S’s 3U platform will be launched. The spacecraft, that was born under the European Space Agency (ESA) General Support Technology Programme’s (GSTP) RadCube mission, is the first industrial satellite being built in Hungary, and so far, the...
Milestone in Hungarian space industry – Large satellite solution of C3S
C3S LLC is developing DCDC converter for large satellite electronics. Beside its ongoing smallsat projects, within the framework of ESA HU-IIS project, the company proves its reliability and relevance as a subcontractor in the large satellite supplier chain. Recently,...


