Complex systems and small satellites
Latest newsEngineering Reliability for the New Space Era
C3S is a European satellite manufacturer and space engineering company delivering scalable 3U–16U CubeSat platforms and small satellite solutions for advanced Low Earth Orbit missions.
With more than a decade of experience across ESA and international space programmes, C3S combines proven small satellite flight heritage with mission-critical power electronics expertise gained through large satellite programmes.
The company covers the full satellite lifecycle in-house — from system design, development and manufacturing to integration, testing, launch support and on-orbit operations.
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 to lead ESA ARTES FLOTTA project for debris-compliant, constellation-scale microsatellite production
C3S LLC. has been selected as prime contractor for FLOTTA, a project by the European Space Agency (ESA) to develop a new 50–150 kg microsatellite platform and the production architecture required for repeatable, manufacturing and deployment at the scale of large...
Magyarország az űrben is 5G-re kapcsol
Új korszak kezdődik a hazai űripar és a távközlési technológia történetében: elindult a RAVEN (Resilient Access Validation for Evolving NTN) CubeSat-projekt, egy magyar konzorcium stratégiai jelentőségű kezdeményezése, amelynek célja a 3GPP-kompatibilis 5G...
Near Completion: Commissioning — WISDOM Approaches Active Operation
After launching WISDOM in November 2025, getting a satellite into orbit is only the first step. The days and weeks that follow are critical to ensure the satellite is healthy, stable, and fully ready for its space experiments. Here’s a look at how the early mission...