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 Gilmour Space Technologies Develops hybrid-propellant launch vehicles, a modular satellite bus, and operates Australia's first licensed orbital spaceport Gilmour Space Technologies logo
HEAD-TO-HEAD1 shared sector
Epsilon3 Gilmour Space Technologies
Founded 2021 2015
Headquarters Los Angeles, California Gold Coast, Australia
Type private private
Status operating operating
Employees 29 176
Total funding $18.8M $141.1M
Latest round Series A Series E
Sectors Space Software & Mission Tools, Satellite Manufacturing Launch Services, Satellite Manufacturing, Spaceports & Range Services
Products listed 6 4
Federal contracts
Launches 2 (0%)
Leaders listed Laura Crabtree, Max Mednik, Audrey Fraijo Adam Gilmour, James Gilmour, Ashley Hasforth
News mentions 0 0
SHARED SECTORS
FREQUENTLY ASKED

How do Epsilon3 and Gilmour Space Technologies compare?

Both companies work in Satellite Manufacturing. Epsilon3 was founded in 2021 and Gilmour Space Technologies in 2015.

Which is larger, Epsilon3 or Gilmour Space Technologies?

Gilmour Space Technologies reports the larger workforce, with 176 employees versus 29.

Which has more launches, Epsilon3 or Gilmour Space Technologies?

Gilmour Space Technologies leads with 2 tracked launches (0% success rate).

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