| Phase Four | Starfish Space | |
|---|---|---|
| Founded | 2015 | 2019 |
| Headquarters | Hawthorne, California | Tukwila, Washington |
| Type | private | private |
| Status | closed | operating |
| Employees | 5 | 75 |
| Total funding | $35.8M | $70M |
| Latest round | Series C | Series A |
| Sectors | Space Propulsion, Satellite Components & Subsystems | In-Orbit Servicing & Assembly, Space Propulsion, Space Sustainability & Debris Removal |
| Products listed | 4 | 6 |
| Federal contracts | — | — |
| Launches | — | — |
| Leaders listed | Steve Kiser, M. Umair Siddiqui, Simon Halpern | Austin Link, Trevor Bennett, Ari Juster |
| News mentions | 0 | 0 |
How do Phase Four and Starfish Space compare?
Both companies work in Space Propulsion. Phase Four was founded in 2015 and Starfish Space in 2019.
Which is larger, Phase Four or Starfish Space?
Starfish Space reports the larger workforce, with 75 employees versus 5.