SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.04
Eta Space logo Eta Space Develops cryogenic propellant management systems for in-space storage, transfer, and refueling, and liquid hydrogen infrastructure for terrestrial energy applications vs Starfish Space Develops autonomous satellite servicing vehicles using electric propulsion for life extension, disposal, and on-orbit maneuvering Starfish Space logo
HEAD-TO-HEAD1 shared sector
Eta Space Starfish Space
Founded 2019 2019
Headquarters Rockledge, Florida Tukwila, Washington
Type private private
Status operating operating
Employees 10 75
Total funding $27.2M $70M
Latest round Grant Series A
Sectors Space Transportation & Logistics, Lunar Services, Space Propulsion In-Orbit Servicing & Assembly, Space Propulsion, Space Sustainability & Debris Removal
Products listed 6 6
Federal contracts
Launches
Leaders listed Dr. William Notardonato Austin Link, Trevor Bennett, Ari Juster
News mentions 0 0
SHARED SECTORS
FREQUENTLY ASKED

How do Eta Space and Starfish Space compare?

Both companies work in Space Propulsion. Eta Space was founded in 2019 and Starfish Space in 2019.

Which is larger, Eta Space or Starfish Space?

Starfish Space reports the larger workforce, with 75 employees versus 10.

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