| 1000031834 | CybELE LAWGICAL LDA | PT-Portugal | Company | No | Alumnus | ESA BIC Portugal | |
| 1000042623 | cyclebee GmbH | AT-Austria | Company | No | Incubatee | ESA BIC Austria | |
| 1000031188 | CYSEC | CH-Switzerland | Company | Yes | Alumnus | ESA BIC Switzerland | |
| 1000028099 | CyStellar Nordic AB | SE-Sweden | Company | Yes | Alumnus | ESA BIC Sweden | |
| 1000031516 | Datarella GmbH | DE-Germany | Company | Yes | Alumnus | ESA BIC Hessen | |
| 1000029530 | Deep Blue Globe UG (Halftungsbeschrankt) | DE-Germany | Company | No | Alumnus | ESA BIC Hessen | |
| 1000030959 | Deep Planet Ltd. | GB-United Kingdom | Company | Yes | Alumnus | ESA BIC UK | |
| 1000038667 | DEEPLIGHT | CH-Switzerland | Company | Yes | Incubatee | ESA BIC Switzerland | |
| 1000034007 | DELOX - INVESTIGAÇÃO, PROCESSOS E EQUIPAMENTOS CIENTÍFICOS, LDA | PT-Portugal | Company | No | Alumnus | ESA BIC Portugal | |
| 1000036498 | Detektia Earth Surface Monitoring S.L. | ES-Spain | Company | Yes | Alumnus | ESA BIC Madrid Region | |
| 1000035375 | DigiFarm | NO-Norway | Company | Yes | Alumnus | ESA BIC Norway | |
| 1000036699 | DIGINOVE | FR-France | Company | Yes | Alumnus | ESA BIC Sud France | |
| 1000039230 | Diramics AG | CH-Switzerland | Company | No | Alumnus | ESA BIC Switzerland | |
| 1000041643 | DLTEO GmbH | AT-Austria | Company | No | Alumnus | ESA BIC Austria | |
| 1000037252 | DocTec | AT-Austria | Company | No | Alumnus | ESA BIC Austria | |
| 1000021709 | D-ORBIT PT | PT-Portugal | Company | No | Alumnus | ESA BIC Portugal | |
| 1000044198 | DPhi Space Sàrl | CH-Switzerland | Company | Yes | Incubatee | ESA BIC Switzerland | |
| 1000035424 | dq technologies AG | CH-Switzerland | Company | Yes | Alumnus | ESA BIC Switzerland | |
| 1000028447 | Drone Harmony AG | CH-Switzerland | Company | No | Alumnus | ESA BIC Switzerland | |
| 1000037727 | Drone Hopper | ES-Spain | Company | No | Alumnus | ESA BIC Madrid Region | |