| Phase Four | Space Solar | |
|---|---|---|
| Founded | 2015 | 2022 |
| Headquarters | Hawthorne, California, USA | Didcot, Oxfordshire, United Kingdom |
| Type | private | private |
| Status | closed | operating |
| Employees | 5 | 10 |
| Total funding | $35.8M | $508K |
| Latest round | Series C | Seed |
| Sectors | Space Propulsion, Satellite Components & Subsystems | Satellite Manufacturing, Satellite Components & Subsystems |
| Products listed | 4 | 2 |
| Federal contracts | — | — |
| Launches | — | — |
| Leaders listed | Steve Kiser, M. Umair Siddiqui, Simon Halpern | Martin Soltau, Sam Adlen, David Homfray |
| News mentions | 0 | 0 |
How do Phase Four and Space Solar compare?
Both companies work in Satellite Components & Subsystems. Phase Four was founded in 2015 and Space Solar in 2022.
Which is larger, Phase Four or Space Solar?
Space Solar reports the larger workforce, with 10 employees versus 5.