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
C3S finds a balance between affordability and highly reliable, robust solutions by using Harwin’s Gecko connector family in their new nanosatellite, VIREO
Harwin announces that its high-reliability Gecko connectors, which have been integrated into a research nanosatellite, have been successfully launched and ejected into low Earth orbit (LEO), and, after the deployment of its subsystems, remain fully operational....
Performance is not lost. GRASSHOPPER is the new, highly efficient power supply
Hungarian aerospace company C3S LLC. has created the GRASSHOPPER power supply, a high-efficiency converter based on Gallium Nitride (GaN) semiconductors. With a 750W power output, it has achieved a milestone in the European Space Agency's (ESA) Hungarian Industry...
Exciting details of the high-tech launch of the VIREO satellite
Hungary's aerospace company, C3S LLC, launched its second set of three CubeSat-sized satellites in spring 2023 from Vandenberg Space Force Base using a Falcon 9 rocket. The unique deployment of the VIREO satellite involved spending over a month on the Momentus'...


