Epic Aerospace Space tug developer building reusable in-space propulsion systems for satellite repositioning Portal Space Systems Manufactures solar-thermal-propelled spacecraft buses for high-delta-v, multi-orbit maneuverability and tactically responsive space operations 
| Epic Aerospace | Portal Space Systems | |
|---|---|---|
| Founded | 2019 | 2021 |
| Headquarters | United States | Bothell, Washington |
| Type | private | private |
| Status | operating | operating |
| Employees | — | 22 |
| Total funding | — | $20M |
| Latest round | Seed | Seed |
| Sectors | Space Propulsion, In-Orbit Servicing & Assembly, Satellite Components & Subsystems | Space Transportation & Logistics, Satellite Manufacturing, Space Propulsion |
| Products listed | 6 | 3 |
| Federal contracts | — | — |
| Launches | — | — |
| Leaders listed | IGNACIO BELIERES MONTERO, LUCA ESTEBENET, GERVASIO TIBERIO | Jeff Thornburg, Ian Vorbach, Prashaanth Ravindran |
| News mentions | 10 | 26 |
How do Epic Aerospace and Portal Space Systems compare?
Both companies work in Space Propulsion. Epic Aerospace was founded in 2019 and Portal Space Systems in 2021.