CesiumAstro

📍 Austin, United States🗓 Founded 2017👥 502 employees💰 Last funded Jul 2026
Defense and Space Manufacturing🌐 CesiumAstro.com
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CesiumAstro builds and delivers space communications systems—at scale. We design, engineer, and manufacture software-defined radios, phased array payloads, and fully integrated satellites that enable real-time, multi-beam, multi-user connectivity across space-based and airborne networks. Our systems are built for mission-critical applications and designed to adapt on orbit. As a vertically integrated manufacturer, CesiumAstro brings RF, digital processing, and satellite integration together under one roof, enabling rapid production, consistent performance, and repeatable delivery. Headquartered in Austin, Texas, with operations in Colorado, California, the United Kingdom, Germany, and Japan, CesiumAstro is building the communications infrastructure modern missions depend on. We’re hiring. Explore open roles at CesiumAstro.com/careers.
7
Total investors
2
Early stage
0
Mid stage
5
Late stage
2017
Founded

Investors

7 investors
All
Early stage
Mid stage
Late stage
Investor geography3 countries
United States
5
Germany
1
Canada
1
Investor activity2019–2026 · investors recorded per year
20192202312024220262
Recent (last 2y)Earlier
Frequently asked questions
Who invested in CesiumAstro?
CesiumAstro has 7 investors on record on gritt.io, including 2 early-stage backers and 5 late-stage investors.
When did CesiumAstro last raise funding?
The most recent investment in CesiumAstro recorded on gritt.io was in July 2026.
When was CesiumAstro founded?
CesiumAstro was founded in 2017.
What industry is CesiumAstro in?
CesiumAstro operates in Defense and Space Manufacturing. Find similar Defense and Space Manufacturing investors on gritt.io.
Where is CesiumAstro based?
CesiumAstro is headquartered in Austin, United States.