| 1000034427 | Zero Gravity Oy | FI-Finland | Company | Yes | Alumnus | ESA BIC Finland | |
| 1000048826 | Zero Gravity Tower s.r.o. | CZ-Czech Republic | Company | Yes | Incubatee | ESA BIC Czech Republic | |
| 1000050628 | Zlintra Technologies, s.r.o. | CZ-Czech Republic | Company | Yes | Incubatee | ESA BIC Czech Republic | |
| 1000043643 | 10Lines OÜ | EE-Estonia | Company | No | Alumnus | ESA BIC Estonia | |
| 1000043801 | 2c degrees | NL-Netherlands | Company | No | Alumnus | ESA BIC Noordwijk | |
| 1000046825 | 2HS AG | CH-Switzerland | Company | No | Incubatee | ESA BIC Switzerland | |
| 1000045009 | 2nd Cycle FlexCo | AT-Austria | Company | No | Alumnus | ESA BIC Austria | |
| 1000051613 | 3BrainAI Nexus s.r.o. | CZ-Czech Republic | Company | No | Incubatee | ESA BIC Czech Republic | |
| 1000042863 | 3L Robotics, s.r.o. | CZ-Czech Republic | Company | No | Alumnus | ESA BIC Czech Republic | |
| 1000038823 | 505 Consulting Ltd | GB-United Kingdom | Company | No | Alumnus | ESA BIC UK | |
| 1000039035 | 9T Labs AG | CH-Switzerland | Company | No | Alumnus | ESA BIC Switzerland | |
| 1000046460 | ABEYA PT, UNIPESSOAL LDA | PT-Portugal | Company | No | Alumnus | ESA BIC Portugal | |
| 1000025789 | Accurision GmbH | AT-Austria | Company | No | Alumnus | ESA BIC Austria | |
| 1000013789 | ACTIVE AEROGELS, LDA. | PT-Portugal | Company | No | Alumnus | ESA BIC Portugal | |
| 1000050454 | ADA AI SOLUTIONS CONSULTING TRAINING SL | ES-Spain | Company | No | Incubatee | ESA BIC Castilla y Leon | |
| 1000033316 | Adaptix Ltd. | GB-United Kingdom | Company | No | Alumnus | ESA BIC UK | |
| 1000047988 | Adina Technologies | DK-Denmark | Company | No | Alumnus | ESA BIC Denmark | |
| 1000050282 | Aegion Aerospace Private Limited | GB-United Kingdom | Company | No | Alumnus | ESA BIC UK | |
| 1000042388 | Aeomiq GmbH | DE-Germany | Company | No | Alumnus | ESA BIC Bavaria | |
| 1000028879 | Aeroficial Intelligence GmbH | AT-Austria | Company | No | Alumnus | ESA BIC Austria | |