SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.03
Katalyst Space Technologies logo Katalyst Space Technologies Builds robotic spacecraft and modular payloads for in-space servicing, satellite upgrades, and space domain awareness 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
Katalyst Space Technologies Portal Space Systems
Founded 2020 2021
Headquarters Flagstaff, Arizona, USA Bothell, Washington, USA
Type private private
Status operating operating
Employees 43 22
Total funding $1.8M $20M+
Latest round Seed Seed
Sectors In-Orbit Servicing & Assembly, Space Domain Awareness, Space Transportation & Logistics Space Transportation & Logistics, Satellite Manufacturing, Space Propulsion
Products listed 6 3
Federal contracts
Launches
Leaders listed Ghonhee Lee, Nicholas Liapis, Kaleb Beebout Jeff Thornburg, Ian Vorbach, Prashaanth Ravindran
News mentions 0 0
SHARED SECTORS
FREQUENTLY ASKED

How do Katalyst Space Technologies and Portal Space Systems compare?

Both companies work in Space Transportation & Logistics. Katalyst Space Technologies was founded in 2020 and Portal Space Systems in 2021.

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

Katalyst Space Technologies reports the larger workforce, with 43 employees versus 22.

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