SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.03
Portal Space Systems logo Portal Space Systems Manufactures solar-thermal-propelled spacecraft buses for high-delta-v, multi-orbit maneuverability and tactically responsive space operations. vs Sateliot Operates the first LEO satellite constellation delivering 5G NB-IoT connectivity from space, extending cellular IoT coverage globally Sateliot logo
HEAD-TO-HEAD1 shared sector
Portal Space Systems Sateliot
Founded 2021 2018
Headquarters Bothell, Washington, USA Barcelona
Type private private
Status operating operating
Employees 22 100
Total funding $20M+ $77.7M
Latest round Seed Series B
Sectors Space Transportation & Logistics, Satellite Manufacturing, Space Propulsion Satellite Communications, Satellite Manufacturing
Products listed 3 9
Federal contracts
Launches
Leaders listed Jeff Thornburg, Ian Vorbach, Prashaanth Ravindran Jaume Sanpera, Marco Guadalupi, Carlos Riopedre
News mentions 0 8
SHARED SECTORS
FREQUENTLY ASKED

How do Portal Space Systems and Sateliot compare?

Both companies work in Satellite Manufacturing. Portal Space Systems was founded in 2021 and Sateliot in 2018.

Which is larger, Portal Space Systems or Sateliot?

Sateliot reports the larger workforce, with 100 employees versus 22.

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