| Phase Four | Umbra | |
|---|---|---|
| Founded | 2015 | 2015 |
| Headquarters | Hawthorne, California | Arlington, Virginia |
| Type | private | private |
| Status | closed | operating |
| Employees | 5 | 165 |
| Total funding | $35.8M | $124.1M |
| Latest round | Series C | Grant |
| Sectors | Space Propulsion, Satellite Components & Subsystems | Earth Observation & Remote Sensing, Satellite Components & Subsystems, Satellite Manufacturing |
| Products listed | 4 | 4 |
| Federal contracts | — | — |
| Launches | — | — |
| Leaders listed | Steve Kiser, M. Umair Siddiqui, Simon Halpern | David Langan, Gabe Dominocielo, Todd Master |
| News mentions | 0 | 0 |
How do Phase Four and Umbra compare?
Both companies work in Satellite Components & Subsystems. Phase Four was founded in 2015 and Umbra in 2015.
Which is larger, Phase Four or Umbra?
Umbra reports the larger workforce, with 165 employees versus 5.