| 1000045953 | SOLIDKOSMOS S.A. | GR-Greece | Company | Yes | Alumnus | ESA BIC Greece | |
| 1000041650 | Solmeyea | GR-Greece | Company | Yes | Alumnus | ESA BIC Greece | |
| 1000043716 | SolPure | AT-Austria | Company | No | Alumnus | ESA BIC Austria | |
| 1000044670 | Solsign Limited | IE-Ireland | Company | No | Alumnus | ESA BIC Ireland | |
| 1000038783 | Sorair Technologies LTD | GB-United Kingdom | Company | Yes | Alumnus | ESA BIC UK | |
| 1000043268 | Space 11 srl | IT-Italy | Company | No | Alumnus | ESA BIC Lazio | |
| 1000025510 | Space Apps Kft. | HU-Hungary | Company | Yes | Alumnus | ESA BIC Hungary | |
| 1000027974 | Space Composite Structures DENMARK | DK-Denmark | Company | Yes | Alumnus | ESA BIC Denmark | |
| 1000039942 | SPACE DIMENSIONALLY OPTIMIZED TECHNOLOGY SATELLITES LTD - Space DOTS Ltd | GB-United Kingdom | Company | Yes | Alumnus | ESA BIC UK | |
| 1000034431 | Space For Life srl | IT-Italy | Company | Yes | Alumnus | ESA BIC Lazio | |
| 1000041457 | Space Innovation Solutions | GR-Greece | Company | Yes | Alumnus | ESA BIC Greece | |
| 1000031832 | Space Layer Technologies | PT-Portugal | Company | No | Alumnus | ESA BIC Portugal | |
| 1000044422 | SPACE MOBILITY PC - Development of Advanced Mobile Robots | GR-Greece | Company | Yes | Alumnus | ESA BIC Greece | |
| 1000027059 | Space National | GB-United Kingdom | Company | No | Alumnus | ESA BIC UK | |
| 1000031215 | Space Power | GB-United Kingdom | Company | No | Alumnus | ESA BIC UK | |
| 1000030755 | Space Talos Ltd | GB-United Kingdom | Company | No | Alumnus | ESA BIC UK | |
| 1000041339 | Space V srl | IT-Italy | Company | Yes | Alumnus | ESA BIC Turin | |
| 1000042420 | space2earth | IT-Italy | Company | No | Alumnus | ESA BIC Turin | |
| 1000040044 | SpaceABC Kft. | HU-Hungary | Company | No | Alumnus | ESA BIC Hungary | |
| 1000042608 | Spacebackend Infraestructures, SL. | ES-Spain | Company | No | Alumnus | ESRIC Start-up Support Programme | |