SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.03
Gilmour Space Technologies logo Gilmour Space Technologies Develops hybrid-propellant launch vehicles, a modular satellite bus, and operates Australia's first licensed orbital spaceport. vs Portal Space Systems Manufactures solar-thermal-propelled spacecraft buses for high-delta-v, multi-orbit maneuverability and tactically responsive space operations. Portal Space Systems logo
HEAD-TO-HEAD1 shared sector
Gilmour Space Technologies Portal Space Systems
Founded 2015 2021
Headquarters Gold Coast, QLD, Australia Bothell, Washington, USA
Type private private
Status operating operating
Employees 176 22
Total funding A$217M $20M+
Latest round Series E Seed
Sectors Launch Services, Satellite Manufacturing, Spaceports & Range Services Space Transportation & Logistics, Satellite Manufacturing, Space Propulsion
Products listed 4 3
Federal contracts
Launches 2 (0%)
Leaders listed Adam Gilmour, James Gilmour, Ashley Hasforth Jeff Thornburg, Ian Vorbach, Prashaanth Ravindran
News mentions 0 0
SHARED SECTORS
FREQUENTLY ASKED

How do Gilmour Space Technologies and Portal Space Systems compare?

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

Which is larger, Gilmour Space Technologies or Portal Space Systems?

Gilmour Space Technologies reports the larger workforce, with 176 employees versus 22.

Which has more launches, Gilmour Space Technologies or Portal Space Systems?

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.