| Phase Four | Space Pioneer | |
|---|---|---|
| Founded | 2015 | 2019 |
| Headquarters | Hawthorne, California | Beijing, China |
| Type | private | private |
| Status | closed | operating |
| Employees | 5 | 120 |
| Total funding | $35.8M | $351M |
| Latest round | Series C | Series C |
| Sectors | Space Propulsion, Satellite Components & Subsystems | Launch Services, Space Propulsion |
| Products listed | 4 | 6 |
| Federal contracts | — | — |
| Launches | — | 2 (50%) |
| Leaders listed | Steve Kiser, M. Umair Siddiqui, Simon Halpern | Kang Yonglai |
| News mentions | 0 | 0 |
How do Phase Four and Space Pioneer compare?
Both companies work in Space Propulsion. Phase Four was founded in 2015 and Space Pioneer in 2019.
Which is larger, Phase Four or Space Pioneer?
Space Pioneer reports the larger workforce, with 120 employees versus 5.
Which has more launches, Phase Four or Space Pioneer?
Space Pioneer leads with 2 tracked launches (50% success rate).