SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.04
PLD Space logo PLD Space Develops reusable launch vehicles for dedicated and rideshare small satellite missions, with in-house liquid propulsion and vertically integrated manufacturing 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
PLD Space Sierra Space
Founded 2011 2021
Headquarters Elche, Spain Louisville, Colorado
Type private private
Status operating operating
Employees 335 1,072
Total funding $90.2M $2.2B
Latest round Debt Series C
Sectors Launch Services, Space Propulsion, Suborbital & High-Altitude Satellite Manufacturing, Space Propulsion, Space Stations & Habitats
Products listed 4 7
Federal contracts 1 ($6.5M)
Launches 3 (33%)
Leaders listed Ezequiel Sanchez, Raul Torres, Raul Verdu Dan Jablonsky, Janet Kavandi, Troy Lahr
News mentions 0 0
SHARED SECTORS
FREQUENTLY ASKED

How do PLD Space and Sierra Space compare?

Both companies work in Space Propulsion. PLD Space was founded in 2011 and Sierra Space in 2021.

Which is larger, PLD Space or Sierra Space?

Sierra Space reports the larger workforce, with 1,072 employees versus 335.

Which has more US federal contracts, PLD Space or Sierra Space?

Sierra Space has been awarded more, with $6.5M across 1 awards.

Which has more launches, PLD Space or Sierra Space?

PLD Space leads with 3 tracked launches (33% success rate).

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