| 1000044620 | Botronics | BE-Belgium | Company | No | Alumnus | ESA BIC Belgium | |
| 1000041639 | BSc Max Aragon Cerecedes | AT-Austria | Company | No | Alumnus | ESA BIC Austria | |
| 1000031818 | CANARD DRONES SL | ES-Spain | Company | No | Alumnus | ESA BIC Madrid Region | |
| 1000034038 | Captiks | IT-Italy | Company | No | Alumnus | ESA BIC Lazio | |
| 1000042752 | CarbonAct AB | SE-Sweden | Company | No | Alumnus | ESA BIC Sweden | |
| 1000041268 | CargoKite GmbH | DE-Germany | Company | No | Alumnus | ESA BIC Bavaria | |
| 1000033512 | CargoSteps GmbH & Co. KG | DE-Germany | Company | No | Alumnus | ESA BIC Hessen | |
| 1000045941 | Carla Mae Arellano | AT-Austria | Company | No | Incubatee | ESA BIC Austria | |
| 1000044017 | Cassio-P SA | CH-Switzerland | Company | No | Incubatee | ESA BIC Switzerland | |
| 1000042438 | CELUS GmbH | DE-Germany | Company | No | Alumnus | ESA BIC Bavaria | |
| 1000039469 | Cevotec GmbH | DE-Germany | Company | No | Alumnus | ESA BIC Bavaria | |
| 1000042336 | Circe. Smart Navigation Solutions | ES-Spain | Company | No | Alumnus | ESA BIC Barcelona | |
| 1000046431 | CleverHive Space Sp. z o.o. | PL-Poland | Company | No | Incubatee | ESA BIC Poland | |
| 1000042381 | CM 1 GmbH | DE-Germany | Company | No | Incubatee | ESA BIC Bavaria | |
| 1000036987 | Coactum SA | CH-Switzerland | Company | No | Alumnus | ESA BIC Switzerland | |
| 1000039360 | Cognitive Design Systems | FR-France | Company | No | Alumnus | ESA BIC Sud France | |
| 1000027465 | ColomboSky s.r.l. | IT-Italy | Company | No | Alumnus | ESA BIC Lazio | |
| 1000039220 | condenZero | CH-Switzerland | Company | No | Alumnus | ESA BIC Switzerland | |
| 1000034538 | Connect Robotics (CRSA - Connect Robotics Sistemas Autónomos, Lda.) | PT-Portugal | Company | No | Alumnus | ESA BIC Portugal | |
| 1000045176 | Coolx Earth S.L | ES-Spain | Company | No | Alumnus | ESA BIC Madrid Region | |