CesiumAstro is an aerospace and defence technology company that designs, engineers, and manufactures high-performance communications systems for space and airborne platforms. Its product portfolio includes advanced modules, payloads, and satellites intended to provide real-time connectivity. The company's technical expertise spans RF systems, software-defined radios, phased arrays, and mission systems, supported by vertically integrated manufacturing capabilities.
The firm serves clients across the defence, commercial, and civil mission sectors. Its operational footprint includes facilities in Texas, Colorado, and California in the United States, as well as in the United Kingdom, Germany, and Japan.





