| 1000031755 | AT Space GmbH | AT-Austria | Company | No | Alumnus | ESA BIC Austria | |
| 1000037990 | Atheras Analytics | GB-United Kingdom | Company | No | Alumnus | ESA BIC UK | |
| 1000040048 | ATLANT 3D Nanosystems | DK-Denmark | Company | No | Alumnus | ESA BIC Denmark | |
| 1000037018 | Atlas Aero GmbH | DE-Germany | Company | No | Alumnus | ESA BIC Bavaria | |
| 1000044894 | Augmenterra GmbH | AT-Austria | Company | No | Alumnus | ESA BIC Austria | |
| 1000034325 | Auravant | ES-Spain | Company | No | Alumnus | ESA BIC Madrid Region | |
| 1000030421 | AutoNaut Ltd | GB-United Kingdom | Company | No | Alumnus | ESA BIC UK | |
| 1000049835 | autonomIQ technologies GmbH | DE-Germany | Company | No | Incubatee | ESA BIC Hessen | |
| 1000040985 | Auxsys GmbH | DE-Germany | Company | No | Alumnus | ESA BIC North Rhine-Westphalia | |
| 1000028988 | AVIONTEK GMBH | DE-Germany | Company | No | Alumnus | ESA BIC Bavaria | |
| 1000041512 | AZUL HEREDITÁRIO, LDA | PT-Portugal | Company | No | Alumnus | ESA BIC Portugal | |
| 1000050586 | Baltic Space Systems Sp. z o.o. | PL-Poland | Company | No | Incubatee | ESA BIC Poland | |
| 1000040165 | Beetle ForTech | AT-Austria | Company | No | Alumnus | ESA BIC Austria | |
| 1000033765 | Benenati & Edwards GbR | DE-Germany | Company | No | Alumnus | ESA BIC Baden-Württemberg | |
| 1000025799 | Bennamann Ltd. | GB-United Kingdom | Company | No | Alumnus | ESA BIC UK | |
| 1000036644 | BestHealth4U | PT-Portugal | Company | No | Alumnus | ESA BIC Portugal | |
| 1000047701 | Better Futures | IE-Ireland | Company | No | Incubatee | ESA BIC Ireland | |
| 1000047195 | Biodrone AS | NO-Norway | Company | No | Alumnus | ESA BIC Norway | |
| 1000043139 | BIOORBIT LTD | GB-United Kingdom | Company | No | Alumnus | ESA BIC UK | |
| 1000045466 | BIOTA MRV LTD | IE-Ireland | Company | No | Alumnus | ESA BIC Ireland | |