| 1000044522 | QASE Tech ApS | DK-Denmark | Company | No | Alumnus | ESA BIC Denmark | |
| 1000035245 | qbound | DE-Germany | Company | No | Alumnus | ESA BIC Bavaria | |
| 1000030554 | QoL-Ma UG | DE-Germany | Company | No | Alumnus | ESA BIC Hessen | |
| 1000045846 | Qoro Quantum UG (haftungsbeschränkt) | DE-Germany | Company | No | Alumnus | ESA BIC Bavaria | |
| 1000040920 | QuantumDiamonds GmbH | DE-Germany | Company | No | Alumnus | ESA BIC Bavaria | |
| 1000047407 | QuantumED UG (haftungsbeschraenkt) | DE-Germany | Company | No | Alumnus | ESA BIC Hessen | |
| 1000045023 | QuiMo GmbH | DE-Germany | Company | No | Alumnus | ESA BIC Baden-Württemberg | |
| 1000042478 | R Systems | FR-France | Company | No | Alumnus | ESA BIC Nord France | |
| 1000035074 | Raptor Aerospace Limited | GB-United Kingdom | Company | No | Alumnus | ESA BIC UK | |
| 1000041224 | REA Srl | IT-Italy | Company | No | Alumnus | ESA BIC Turin | |
| 1000046796 | Reckonect | FR-France | Company | No | Alumnus | ESA BIC Sud France | |
| 1000043436 | Reef Support B.V. | NL-Netherlands | Company | No | Alumnus | ESA BIC Noordwijk | |
| 1000033378 | REFARMO GmbH | AT-Austria | Company | No | Alumnus | ESA BIC Austria | |
| 1000044910 | Remea GmbH | AT-Austria | Company | No | Alumnus | ESA BIC Austria | |
| 1000037593 | Remos Space Systems AB | SE-Sweden | Company | No | Alumnus | ESA BIC Sweden | |
| 1000026638 | Rescon Ltd | GB-United Kingdom | Company | No | Alumnus | ESA BIC UK | |
| 1000046938 | Resmonics AG | CH-Switzerland | Company | No | Incubatee | ESA BIC Switzerland | |
| 1000033344 | Responsive Access Limited | GB-United Kingdom | Company | No | Alumnus | ESA BIC UK | |
| 1000047703 | Restore Innovation Ltd | IE-Ireland | Company | No | Incubatee | ESA BIC Ireland | |
| 1000032263 | Rigi Technologies | CH-Switzerland | Company | No | Alumnus | ESA BIC Switzerland | |