| 1000033385 | Stratobotic s.r.l. | IT-Italy | Company | Yes | Alumnus | ESA BIC Turin | |
| 1000031500 | Strain 2 Data bvba | BE-Belgium | Company | No | Alumnus | ESA BIC Belgium | |
| 1000038040 | STRADOT S.A.S. | FR-France | Company | No | Alumnus | ESA BIC Sud France | |
| 1000026904 | STRA, S.A. | PT-Portugal | Company | No | Alumnus | ESA BIC Portugal | |
| 1000039268 | Stirweld | FR-France | Company | No | Alumnus | ESA BIC Nord France | |
| 1000033433 | Sternula A/S | DK-Denmark | Company | Yes | Alumnus | ESA BIC Denmark | |
| 1000039812 | StepUp Horse ApS | DK-Denmark | Company | No | Alumnus | ESA BIC Denmark | |
| 1000042724 | StellarShip Labs GmbH | DE-Germany | Company | Yes | Alumnus | ESA BIC Bavaria | |
| 1000048695 | STELLAR PHRONESIS TECHNOLOGY P.C. | GR-Greece | Company | Yes | Incubatee | ESA BIC Greece | |
| 1000045838 | Stellar Nuclear s.r.o. | CZ-Czech Republic | Company | Yes | Incubatee | ESA BIC Czech Republic | |
| 1000047897 | Stellar Discoveries P. C. | GR-Greece | Company | Yes | Incubatee | ESA BIC Greece | |
| 1000050552 | Stellar Alpina AG | CH-Switzerland | Company | No | Incubatee | ESA BIC Switzerland | |
| 1000047949 | starview srl | IT-Italy | Company | No | Incubatee | ESA BIC Turin | |
| 1000046368 | StarGrip Hungary Kft. | HU-Hungary | Company | Yes | Alumnus | ESA BIC Hungary | |
| 1000043321 | Starflight Dynamics GmbH | DE-Germany | Company | Yes | Alumnus | ESA BIC Bavaria | |
| 1000028911 | STAP GmbH | AT-Austria | Company | Yes | Alumnus | ESA BIC Austria | |
| 1000045249 | SRD Electronics UG (haftungsbeschränkt) | DE-Germany | Company | Yes | Alumnus | ESA BIC Hessen | |
| 1000043863 | Sports Impact Technologies Limited | IE-Ireland | Company | No | Alumnus | ESA BIC Ireland | |
| 1000042170 | Spiromagic ApS | DK-Denmark | Company | No | Alumnus | ESA BIC Denmark | |
| 1000034295 | SPIDERLOG SRL | IT-Italy | Company | No | Alumnus | ESA BIC Lazio | |