SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.04
Bellatrix Aerospace logo Bellatrix Aerospace Develops electric and green propulsion systems for satellites and operates an orbital transfer vehicle for precise in-space deployment 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
Bellatrix Aerospace Sierra Space
Founded 2015 2021
Headquarters Bengaluru, India Louisville, Colorado
Type private private
Status operating operating
Employees 71 1,072
Total funding $14M $2.2B
Latest round Series A Series C
Sectors Space Propulsion, Satellite Components & Subsystems, Space Transportation & Logistics Satellite Manufacturing, Space Propulsion, Space Stations & Habitats
Products listed 5 7
Federal contracts 1 ($6.5M)
Launches
Leaders listed Rohan M Ganapathy, Yashas Karanam, Chris MacDonald Dan Jablonsky, Janet Kavandi, Troy Lahr
News mentions 2 0
SHARED SECTORS
FREQUENTLY ASKED

How do Bellatrix Aerospace and Sierra Space compare?

Both companies work in Space Propulsion. Bellatrix Aerospace was founded in 2015 and Sierra Space in 2021.

Which is larger, Bellatrix Aerospace or Sierra Space?

Sierra Space reports the larger workforce, with 1,072 employees versus 71.

Which has more US federal contracts, Bellatrix Aerospace 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.