| 1000048102 | AirPlate ApS | DK-Denmark | Company | Yes | Alumnus | ESA BIC Denmark | |
| 1000047114 | AITHRA | FR-France | Company | Yes | Alumnus | ESA BIC Sud France | |
| 1000043636 | Akson Robotics ApS | DK-Denmark | Company | No | Alumnus | ESA BIC Denmark | |
| 1000043254 | Aktyvus Photonics UAB | LT-Lithuania | Company | No | Alumnus | ESA BIC Lithuania | |
| 1000042531 | ALATYR | FR-France | Company | Yes | Alumnus | ESA BIC Nord France | |
| 1000032443 | Alb Radmanufaktur GmbH | DE-Germany | Company | No | Alumnus | ESA BIC Baden-Württemberg | |
| 1000030448 | Aldoria | FR-France | Company | Yes | Alumnus | ESA BIC Nord France | |
| 1000031146 | ALEEGO s.r.o. | CZ-Czech Republic | Company | Yes | Alumnus | ESA BIC Czech Republic | |
| 1000044526 | AllSpace UG (haftungsbeschränkt) | DE-Germany | Company | Yes | Alumnus | ESA BIC Hessen | |
| 1000045679 | allunderground GmbH | DE-Germany | Company | No | Alumnus | ESA BIC Bavaria | |
| 1000041760 | AlongRoute Data IKE | GR-Greece | Company | Yes | Alumnus | ESA BIC Greece | |
| 1000046701 | Alpha Impulsion Italia SRL | IT-Italy | Company | Yes | Alumnus | ESA BIC Turin | |
| 1000041755 | AlphaEdge GmbH | AT-Austria | Company | No | Alumnus | ESA BIC Austria | |
| 1000047089 | ALTABAI | FR-France | Company | No | Alumnus | ESA BIC Sud France | |
| 1000046202 | Alteva Technologies GmbH | DE-Germany | Company | No | Alumnus | ESA BIC North Rhine-Westphalia | |
| 1000036078 | Alvie 1 | FR-France | Company | No | Alumnus | ESA BIC Nord France | |
| 1000043080 | AmbaSat Ltd | GB-United Kingdom | Company | Yes | Alumnus | ESA BIC UK | |
| 1000040042 | AMPHITRITE | FR-France | Company | Yes | Alumnus | ESA BIC Nord France | |
| 1000013915 | ANavS GMBH | DE-Germany | Company | Yes | Alumnus | ESA BIC Bavaria | |
| 1000041955 | ANGELY P.C. | GR-Greece | Company | Yes | Alumnus | ESA BIC Greece | |