| 1000046969 | Aerospec SA | CH-Switzerland | Company | No | Incubatee | ESA BIC Switzerland | |
| 1000050529 | Aethena DeepMind ApS | DK-Denmark | Company | No | Incubatee | ESA BIC Denmark | |
| 1000023733 | AEVO | DE-Germany | Company | No | Alumnus | ESA BIC Bavaria | |
| 1000045761 | Agrario Energy GmbH | DE-Germany | Company | No | Alumnus | ESA BIC Hessen | |
| 1000032249 | AGRIBORA GmbH | DE-Germany | Company | No | Alumnus | ESA BIC Hessen | |
| 1000028957 | AGROINSIDER | PT-Portugal | Company | No | Alumnus | ESA BIC Portugal | |
| 1000046775 | AgroSync, UAB | LT-Lithuania | Company | No | Alumnus | ESA BIC Lithuania | |
| 1000042212 | AHYRES HARDWARE AND SOFTWARE S.L. | ES-Spain | Company | No | Alumnus | ESA BIC Madrid Region | |
| 1000033635 | Airelectronics | ES-Spain | Company | No | Alumnus | ESA BIC Madrid Region | |
| 1000027138 | Airgloss | IT-Italy | Company | No | Alumnus | ESA BIC Lazio | |
| 1000041093 | AIRMO | DE-Germany | Company | No | Alumnus | ESA BIC Bavaria | |
| 1000043636 | Akson Robotics ApS | DK-Denmark | Company | No | Alumnus | ESA BIC Denmark | |
| 1000043254 | Aktyvus Photonics UAB | LT-Lithuania | Company | No | Alumnus | ESA BIC Lithuania | |
| 1000032443 | Alb Radmanufaktur GmbH | DE-Germany | Company | No | Alumnus | ESA BIC Baden-Württemberg | |
| 1000045679 | allunderground GmbH | DE-Germany | Company | No | Alumnus | ESA BIC Bavaria | |
| 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 | |
| 1000048049 | a-metal AG | CH-Switzerland | Company | No | Incubatee | ESA BIC Switzerland | |