SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.03
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 MaiaSpace Develops a partially reusable methane-fueled mini-launcher for small satellite delivery to low Earth and sun-synchronous orbits MaiaSpace logo
HEAD-TO-HEAD1 shared sector
Eta Space MaiaSpace
Founded 2019 2022
Headquarters Rockledge, Florida, USA Paris, France
Type private private
Status operating operating
Employees 10 200
Total funding $27.2M $137M
Latest round Grant Private Equity
Sectors Space Transportation & Logistics, Lunar Services, Space Propulsion Launch Services, Space Propulsion
Products listed 6 2
Federal contracts
Launches 2 (0%)
Leaders listed Dr. William Notardonato Yohann Leroy, Isabelle Quinquis, Yves Aixala
News mentions 0 0
SHARED SECTORS
FREQUENTLY ASKED

How do Eta Space and MaiaSpace compare?

Both companies work in Space Propulsion. Eta Space was founded in 2019 and MaiaSpace in 2022.

Which is larger, Eta Space or MaiaSpace?

MaiaSpace reports the larger workforce, with 200 employees versus 10.

Which has more launches, Eta Space or MaiaSpace?

MaiaSpace leads with 2 tracked launches (0% success rate).

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