SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.04
Exolaunch logo Exolaunch Provides rideshare launch services, mission management, and satellite deployment hardware for smallsats and CubeSats across multiple launch vehicles worldwide 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
Exolaunch Portal Space Systems
Founded 2010 2021
Headquarters Berlin, Germany Bothell, Washington
Type private private
Status operating operating
Employees 53 22
Total funding $20M
Latest round Seed
Sectors Launch Services, Satellite Components & Subsystems, Space Transportation & Logistics Space Transportation & Logistics, Satellite Manufacturing, Space Propulsion
Products listed 9 3
Federal contracts
Launches
Leaders listed Robert W. Sproles, Dmitriy Sternharz, Jeanne Allarie Jeff Thornburg, Ian Vorbach, Prashaanth Ravindran
News mentions 0 0
SHARED SECTORS
FREQUENTLY ASKED

How do Exolaunch and Portal Space Systems compare?

Both companies work in Space Transportation & Logistics. Exolaunch was founded in 2010 and Portal Space Systems in 2021.

Which is larger, Exolaunch or Portal Space Systems?

Exolaunch reports the larger workforce, with 53 employees versus 22.

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