SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.04
D-Orbit logo D-Orbit Operates orbital transfer vehicles for last-mile satellite delivery, hosted payload services, space cloud computing, and in-orbit servicing vs Epsilon3 Provides AI-powered procedure execution and resource management software for complex engineering, manufacturing, testing, and operations Epsilon3 logo
HEAD-TO-HEAD1 shared sector
D-Orbit Epsilon3
Founded 2011 2021
Headquarters Italy Los Angeles, California
Type public private
Status operating operating
Employees 333 29
Total funding $18.8M
Latest round Series A
Sectors Space Transportation & Logistics, In-Orbit Servicing & Assembly, Space Software & Mission Tools Space Software & Mission Tools, Satellite Manufacturing
Products listed 18 6
Federal contracts
Launches
Leaders listed Luca Rossettini, Renato Panesi, Sergio Mucciarelli Laura Crabtree, Max Mednik, Audrey Fraijo
News mentions 10 0
SHARED SECTORS
FREQUENTLY ASKED

How do D-Orbit and Epsilon3 compare?

Both companies work in Space Software & Mission Tools. D-Orbit was founded in 2011 and Epsilon3 in 2021.

Which is larger, D-Orbit or Epsilon3?

D-Orbit reports the larger workforce, with 333 employees versus 29.

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