| 1000027089 | ANYWAVES | FR-France | Company | Yes | Alumnus | ESA BIC Sud France | |
| 1000031524 | Anzen Aerospace Engineering | ES-Spain | Company | Yes | Alumnus | ESA BIC Madrid Region | |
| 1000040261 | APO-GEE ENGINEERING SRL | BE-Belgium | Company | Yes | Alumnus | ESA BIC Belgium | |
| 1000035376 | Applied Aerial Technology - Nós Na nGaoithe Teoranta | IE-Ireland | Company | No | Alumnus | ESA BIC Ireland | |
| 1000019969 | APR TECHNOLOGIES AB | SE-Sweden | Company | Yes | Alumnus | ESA BIC Sweden | |
| 1000025109 | ARCA DYNAMICS | IT-Italy | Company | Yes | Alumnus | ESA BIC Lazio | |
| 1000030705 | ARCEON B.V. | NL-Netherlands | Company | Yes | Alumnus | ESA BIC Noordwijk | |
| 1000039533 | Archimethod SA | CH-Switzerland | Company | No | Alumnus | ESA BIC Switzerland | |
| 1000033477 | Arctic Space Technologies AB | SE-Sweden | Company | Yes | Alumnus | ESA BIC Sweden | |
| 1000034058 | AridGreen Technologies | DE-Germany | Company | No | Alumnus | ESA BIC Baden Württemberg | |
| 1000041421 | ARTI - Autonomous Robot Technology GmbH | AT-Austria | Company | Yes | Alumnus | ESA BIC Austria | |
| 1000020975 | ASTRIONICS GmbH | DE-Germany | Company | No | Alumnus | ESA BIC Bavaria | |
| 1000039165 | Astron Systems Ltd | GB-United Kingdom | Company | Yes | Alumnus | ESA BIC UK | |
| 1000035927 | asvin | DE-Germany | Company | No | Alumnus | ESA BIC Baden Württemberg | |
| 1000031755 | AT Space GmbH | AT-Austria | Company | No | Alumnus | ESA BIC Austria | |
| 1000037990 | Atheras Analytics | GB-United Kingdom | Company | Yes | Alumnus | ESA BIC UK | |
| 1000037196 | Atla.ai | DK-Denmark | Company | No | Alumnus | ESA BIC Denmark | |
| 1000040048 | ATLANT 3D Nanosystems | DK-Denmark | Company | No | Alumnus | ESA BIC Denmark | |
| 1000037018 | Atlas Aero GmbH | DE-Germany | Company | No | Alumnus | ESA BIC Bavaria | |
| 1000038858 | Atmos Space Cargo GmbH | DE-Germany | Company | Yes | Alumnus | ESA BIC Baden Württemberg | |