Complex systems and small satellites
Robust structure, fine details
C3S LLC bridges the gap between nanosatellite and large satellite projects, offering 3–16U platforms and subsystems with exceptional reliability. Thanks to our flight heritage, our in-house developed redundant subsystems feature long lifecycles and high availability. Additionally, we design power distribution systems and payload synchronization for larger satellites. Building on this expertise our company stands at the forefront of SSA CubeSat development, specializing in space debris tracking and collision avoidance, offering a platform fully aligned with international space debris mitigation standards.
KEY PRODUCTS
C3S SERVICES

Engineering services
C3S’s vast resources and the complex & interdisciplinary engineering know-how are all used for the benefit of high reliability components development along with quality-centered low volume manufacturing, both within the ground and the space segment. Our enthusiastic engineers have great experience in advanced electronics, integrated system designs, mechanical engineering or embedded software and are following strict ECSS standards.

Platform Development Kit
For a seamless integration process, we provide our payload partners with a Platform Development Kit. Interface documentation enables our clients to take full advantage of the devices and it also provides the required hardware to maintain a rea-time connection during the tests.

Mission Management
C3S provides turn-key solution when it comes to mission management. As an ESA prime contractor, we have vast experience in every milestone of a space project from mission preparation, through launch management until deorbiting. We guarantee mission success, all you have to do is share your goals and requirements with us.

Shared Payload Concept
Space made easily available with our shared payload concept, aligning with the most recent new space trends. Splitting up the payload bay of our platform between multiple players grants a cost-effective solution, along with giving a shorter-term access to space.
NEWS

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,...

C3S’s products are now available at HOSTmi.space
University projects? IOD? Space service? A lot of payload providers turn to HOSTmi’s matchmaking platform. For those who are interested, the site offers multiple solutions based on mission parameters.