| Astra Space | Sierra Space | |
|---|---|---|
| Founded | 2016 | 2021 |
| Headquarters | Alameda, California | Louisville, Colorado |
| Type | private | private |
| Status | operating | operating |
| Employees | 113 | 1,072 |
| Total funding | $407M | $2.2B |
| Latest round | — | Series C |
| Sectors | Launch Services, Space Propulsion | Satellite Manufacturing, Space Propulsion, Space Stations & Habitats |
| Products listed | 3 | 7 |
| Federal contracts | — | 1 ($6.5M) |
| Launches | 8 (25%) | — |
| Leaders listed | Chris Kemp, Adam London, Martin Attiq | Dan Jablonsky, Janet Kavandi, Troy Lahr |
| News mentions | 0 | 0 |
How do Astra Space and Sierra Space compare?
Both companies work in Space Propulsion. Astra Space was founded in 2016 and Sierra Space in 2021.
Which is larger, Astra Space or Sierra Space?
Sierra Space reports the larger workforce, with 1,072 employees versus 113.
Which has more US federal contracts, Astra Space or Sierra Space?
Sierra Space has been awarded more, with $6.5M across 1 awards.
Which has more launches, Astra Space or Sierra Space?
Astra Space leads with 8 tracked launches (25% success rate).