CesiumAstro
eDR76Effective DR: 76/100. Above median. Measured by StartupHub.ai. Median 68.Agent60Agent Readiness: 60/100. Top 25%. Measured by StartupHub.ai. Median 41.CesiumAstro is a global leader in advanced connectivity solutions for space and defense, developing and manufacturing satellites, high-performance communications payloads, and advanced computing systems.
About
CesiumAstro specializes in aerospace communication systems, developing satellites, mobile satellite communication terminals, multi-beam communication payloads, software-defined radios, and space communication systems for space, air, and ground missions. The company's full-stack, multi-mission hardware and software serve diverse commercial, government, and defense applications. CesiumAstro maintains complete vertical integration with in-house design, manufacturing, and testing capabilities.
Key facts
- Website
- cesiumastro.com
- Headquarters
- Austin, United States
- Founded
- 2017
- Employees
- 587
- Total funding
- $730M (Series D)
- Business model
- B2B
Funding rounds
| Date | Round | Amount | Post-money | Lead investors |
|---|---|---|---|---|
| 5 Nov 2026 | Series D | $730M | $4.5B | Janus Henderson |
Tech stack
Detected on cesiumastro.com, last scanned 5 Nov 2026. Run your own scan
- Analytics
- Google Tag Manager
- SEO
- Bitly
- CMS / Builders
- Webflow
- CDN
- Cloudflare
- Video / media
- Vimeo, YouTube
Test your Ahrefs DR
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7 reviews from Reddit gathered in one place
📢 Cesiumastro [HIRING] a Senior Test Engineer!. Company: Cesiumastro Location: Westminster, Colorado 📍 Date Posted: October 09, 2026 📅 Level: Senior 👵 Categories: #senior #test #engineer #fulltime
📢 Cesiumastro [HIRING] a Senior Rf Test Engineer!. Company: Cesiumastro Location: El Segundo, California 📍 Date Posted: October 01, 2026 📅 Level: Senior 👵 Categories: #engineer #senior #fulltime
In 2026, aerospace and defense technology company CesiumAstro announced a major expansion of its Bee Cave operations. The company acquired nearly 270,000 square feet of additional space and announced approximately $500 million in investment…
I’m also collecting resumes for CesiumAstro full time and intern positions. Come say hi!
CesiumAstro Acquires Jariet, Enhances Satellite Tech.
CesiumAstro acquires Vidrovr to embed AI in communications systems.
CesiumAstro officially moving into the Hwy 71 property (satellites not semis), last weekend for Bee Cave on Ice, housing market analysis shows major divide between waterfront and non-waterfront, and Cooper's BBQ in Llano is worth the detour…
Each quote is copied word for word and links to where it was posted. Promotion and off-topic posts are filtered out.
Frequently asked
Is CesiumAstro trustworthy and reputable?
StartupHub's Data Trust & Reputation score for CesiumAstro is 84 out of 100, a trusted rating, based on site security posture, privacy practices, malware and phishing checks, and public reputation signals.
How much funding has CesiumAstro raised?
CesiumAstro has raised a total of $730M in funding. The most recent round on record is Series D.
How many employees does CesiumAstro have?
CesiumAstro has approximately 587 people on record.
SEC filings, insider activity, nonprofit links and pay benchmarks for CesiumAstro:
Company details: from public sources. Funding: no announced round on file. Ownership: not yet claimed by the company. Scores: measured by named tools; each links to its method. Our rules
