| Relativity Space | Sierra Space | |
|---|---|---|
| Founded | 2015 | 2021 |
| Headquarters | Long Beach, California | Louisville, Colorado |
| Type | private | private |
| Status | operating | operating |
| Employees | 1,285 | 1,072 |
| Total funding | $1.4B | $2.2B |
| Latest round | Series F | Series C |
| Sectors | Launch Services, Space Propulsion | Satellite Manufacturing, Space Propulsion, Space Stations & Habitats |
| Products listed | 4 | 7 |
| Federal contracts | — | 1 ($6.5M) |
| Launches | 3 (0%) | — |
| Leaders listed | Eric Schmidt, Maria Seferian, Kevin Wu | Dan Jablonsky, Janet Kavandi, Troy Lahr |
| News mentions | 0 | 0 |
How do Relativity Space and Sierra Space compare?
Both companies work in Space Propulsion. Relativity Space was founded in 2015 and Sierra Space in 2021.
Which is larger, Relativity Space or Sierra Space?
Relativity Space reports the larger workforce, with 1,285 employees versus 1,072.
Which has more US federal contracts, Relativity Space or Sierra Space?
Sierra Space has been awarded more, with $6.5M across 1 awards.
Which has more launches, Relativity Space or Sierra Space?
Relativity Space leads with 3 tracked launches (0% success rate).