SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.03
Reflect Orbital logo Reflect Orbital Builds and operates a constellation of orbital mirror satellites that redirect natural sunlight to targeted areas on Earth for extended solar energy generation and on-demand illumination. 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
Reflect Orbital Sierra Space
Founded 2021 2021
Headquarters Los Angeles, California, USA Louisville, Colorado, USA
Type private private
Status operating operating
Employees 50 1,072
Total funding $28.7M $2.2B
Latest round Series A Series C
Sectors Satellite Manufacturing, Suborbital & High-Altitude Satellite Manufacturing, Space Propulsion, Space Stations & Habitats
Products listed 2 7
Federal contracts 1 ($6.5M)
Launches
Leaders listed Ben Nowack, Tristan Semmelhack, Ally Stone Dan Jablonsky, Janet Kavandi, Troy Lahr
News mentions 0 0
SHARED SECTORS
FREQUENTLY ASKED

How do Reflect Orbital and Sierra Space compare?

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

Which is larger, Reflect Orbital or Sierra Space?

Sierra Space reports the larger workforce, with 1,072 employees versus 50.

Which has more US federal contracts, Reflect 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.