SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.04
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 Umbra Designs, builds, and operates SAR satellite constellations delivering sub-meter Earth imagery and flight-proven spacecraft hardware Umbra logo
HEAD-TO-HEAD1 shared sector
Portal Space Systems Umbra
Founded 2021 2015
Headquarters Bothell, Washington Arlington, Virginia
Type private private
Status operating operating
Employees 22 165
Total funding $20M $124.1M
Latest round Seed Grant
Sectors Space Transportation & Logistics, Satellite Manufacturing, Space Propulsion Earth Observation & Remote Sensing, Satellite Components & Subsystems, Satellite Manufacturing
Products listed 3 4
Federal contracts
Launches
Leaders listed Jeff Thornburg, Ian Vorbach, Prashaanth Ravindran David Langan, Gabe Dominocielo, Todd Master
News mentions 0 0
SHARED SECTORS
FREQUENTLY ASKED

How do Portal Space Systems and Umbra compare?

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

Which is larger, Portal Space Systems or Umbra?

Umbra reports the larger workforce, with 165 employees versus 22.

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