SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.04
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 Sierra Space Designs and manufactures satellite platforms, reusable spaceplanes, expandable habitats, and propulsion systems for national security and civil space Sierra Space logo
HEAD-TO-HEAD1 shared sector
Overview Energy Sierra Space
Founded 2022 2021
Headquarters Ashburn, Virginia Louisville, Colorado
Type private private
Status operating operating
Employees 20 1,072
Total funding $18.5M $2.2B
Latest round Venture Series C
Sectors Satellite Manufacturing, Satellite Communications Satellite Manufacturing, Space Propulsion, Space Stations & Habitats
Products listed 2 7
Federal contracts 1 ($6.5M)
Launches
Leaders listed Marc Berte, Dr. Paul Jaffe, Dr. Patrick Mock Dan Jablonsky, Janet Kavandi, Troy Lahr
News mentions 0 0
SHARED SECTORS
FREQUENTLY ASKED

How do Overview Energy and Sierra Space compare?

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

Which is larger, Overview Energy or Sierra Space?

Sierra Space reports the larger workforce, with 1,072 employees versus 20.

Which has more US federal contracts, Overview Energy or Sierra Space?

Sierra Space has been awarded more, with $6.5M across 1 awards.

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