SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.03
Overview Energy logo Overview Energy Designs and builds satellites that beam solar energy from geosynchronous orbit to ground-based solar projects using near-infrared light 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
Overview Energy Portal Space Systems
Founded 2022 2021
Headquarters Ashburn, Virginia, USA Bothell, Washington, USA
Type private private
Status operating operating
Employees 20 22
Total funding $18.5M $20M+
Latest round Venture Seed
Sectors Satellite Manufacturing, Satellite Communications Space Transportation & Logistics, Satellite Manufacturing, Space Propulsion
Products listed 2 3
Federal contracts
Launches
Leaders listed Marc Berte, Dr. Paul Jaffe, Dr. Patrick Mock Jeff Thornburg, Ian Vorbach, Prashaanth Ravindran
News mentions 0 0
SHARED SECTORS
FREQUENTLY ASKED

How do Overview Energy and Portal Space Systems compare?

Both companies work in Satellite Manufacturing. Overview Energy was founded in 2022 and Portal Space Systems in 2021.

Which is larger, Overview Energy or Portal Space Systems?

Portal Space Systems reports the larger workforce, with 22 employees versus 20.

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