SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.04
Epsilon3 logo Epsilon3 Provides AI-powered procedure execution and resource management software for complex engineering, manufacturing, testing, and operations vs Space Solar Develops space-based solar power technology to beam continuous clean energy from geostationary orbit to Earth via wireless power transmission Space Solar logo
HEAD-TO-HEAD1 shared sector
Epsilon3 Space Solar
Founded 2021 2022
Headquarters Los Angeles, California Didcot, United Kingdom
Type private private
Status operating operating
Employees 29 10
Total funding $18.8M $508K
Latest round Series A Seed
Sectors Space Software & Mission Tools, Satellite Manufacturing Satellite Manufacturing, Satellite Components & Subsystems
Products listed 6 2
Federal contracts
Launches
Leaders listed Laura Crabtree, Max Mednik, Audrey Fraijo Martin Soltau, Sam Adlen, David Homfray
News mentions 0 0
SHARED SECTORS
FREQUENTLY ASKED

How do Epsilon3 and Space Solar compare?

Both companies work in Satellite Manufacturing. Epsilon3 was founded in 2021 and Space Solar in 2022.

Which is larger, Epsilon3 or Space Solar?

Epsilon3 reports the larger workforce, with 29 employees versus 10.

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