| 1000033762 | STRATOSYST s.r.o. | CZ-Czech Republic | Company | Yes | Alumnus | ESA BIC Czech Republic | |
| 1000037958 | Uneeqly s.r.o. | CZ-Czech Republic | Company | Yes | Alumnus | ESA BIC Czech Republic | |
| 1000029690 | Uptimai s.r.o. | CZ-Czech Republic | Company | Yes | Alumnus | ESA BIC Czech Republic | |
| 1000028287 | World from Space | CZ-Czech Republic | Company | Yes | Alumnus | ESA BIC Czech Republic | |
| 1000033809 | Zaitra s.r.o. | CZ-Czech Republic | Company | Yes | Alumnus | ESA BIC Czech Republic | |
| 1000046357 | Aatral UG | DE-Germany | Company | Yes | Incubatee | ESA BIC Bavaria | |
| 1000033298 | abaut GmbH | DE-Germany | Company | Yes | Alumnus | ESA BIC Bavaria | |
| 1000042388 | Aeomiq GmbH | DE-Germany | Company | No | Alumnus | ESA BIC Bavaria | |
| 1000034579 | AerisGate UG (haftungsbeschränkt) | DE-Germany | Company | Yes | Alumnus | ESA BIC Hessen | |
| 1000023733 | AEVO | DE-Germany | Company | No | Alumnus | ESA BIC Bavaria | |
| 1000045761 | Agrario Energy GmbH | DE-Germany | Company | No | Incubatee | ESA BIC Hessen | |
| 1000032249 | AGRIBORA GmbH | DE-Germany | Company | Yes | Alumnus | ESA BIC Hessen | |
| 1000041093 | AIRMO | DE-Germany | Company | Yes | Alumnus | ESA BIC Bavaria | |
| 1000032443 | Alb Radmanufaktur GmbH | DE-Germany | Company | No | Alumnus | ESA BIC Baden Württemberg | |
| 1000044526 | AllSpace UG (haftungsbeschränkt) | DE-Germany | Company | Yes | Incubatee | ESA BIC Hessen | |
| 1000045679 | allunderground GmbH | DE-Germany | Company | No | Incubatee | ESA BIC Bavaria | |
| 1000046202 | Alteva Technologies GmbH | DE-Germany | Company | No | Incubatee | ESA BIC North Rhine-Westphalia | |
| 1000013915 | ANavS GMBH | DE-Germany | Company | Yes | Alumnus | ESA BIC Bavaria | |
| 1000041354 | ARE23 GmbH | DE-Germany | Company | No | Alumnus | ESA BIC Bavaria | |
| 1000034058 | AridGreen Technologies | DE-Germany | Company | No | Alumnus | ESA BIC Baden Württemberg | |