SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.03
Apex logo Apex Designs and mass-manufactures standardized satellite bus platforms for commercial and government constellation deployments across LEO, MEO, and GEO orbits. vs CesiumAstro Designs, manufactures, and integrates software-defined phased array communications systems, payloads, and satellites for space, airborne, and ground platforms. CesiumAstro logo
HEAD-TO-HEAD2 shared sectors
Apex CesiumAstro
Founded 2022 2017
Headquarters Los Angeles, California, USA Austin, Texas, USA
Type private private
Status operating operating
Employees 234 318
Total funding $522M $710.2M
Latest round Series D Series C
Sectors Satellite Manufacturing, Satellite Components & Subsystems Satellite Components & Subsystems, Satellite Communications, Satellite Manufacturing
Products listed 3 15
Federal contracts 1 ($22.0M)
Launches
Leaders listed Ian Cinnamon, Max Benassi, Adam Corey Shey Sabripour, Kenneth Smith, Chris Pappas III
News mentions 0 26
SHARED SECTORS
FREQUENTLY ASKED

How do Apex and CesiumAstro compare?

Both companies work in Satellite Manufacturing, Satellite Components & Subsystems. Apex was founded in 2022 and CesiumAstro in 2017.

Which is larger, Apex or CesiumAstro?

CesiumAstro reports the larger workforce, with 318 employees versus 234.

Which has more US federal contracts, Apex or CesiumAstro?

Apex has been awarded more, with $22.0M across 1 awards.

Numbers refresh on every render against the live Space Index database. Federal contract data from USAspending.gov; launches from LaunchLibrary2.