SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.04
Alba Orbital logo Alba Orbital Designs and manufactures PocketQube picosatellites, brokers rideshare launches, and operates a nighttime Earth observation constellation 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
Alba Orbital Sierra Space
Founded 2012 2021
Headquarters Glasgow, United Kingdom Louisville, Colorado
Type private private
Status operating operating
Employees 14 1,072
Total funding $3.4M $2.2B
Latest round Seed Series C
Sectors Satellite Manufacturing, Earth Observation & Remote Sensing Satellite Manufacturing, Space Propulsion, Space Stations & Habitats
Products listed 5 7
Federal contracts 1 ($6.5M)
Launches
Leaders listed Tom Walkinshaw, Irene Belton Shanks Dan Jablonsky, Janet Kavandi, Troy Lahr
News mentions 0 0
SHARED SECTORS
FREQUENTLY ASKED

How do Alba Orbital and Sierra Space compare?

Both companies work in Satellite Manufacturing. Alba Orbital was founded in 2012 and Sierra Space in 2021.

Which is larger, Alba Orbital or Sierra Space?

Sierra Space reports the larger workforce, with 1,072 employees versus 14.

Which has more US federal contracts, Alba Orbital 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.