| 1000027843 | QuadSAT | DK-Denmark | Company | Yes | Alumnus | ESA BIC Denmark | |
| 1000022753 | QUASAR SCIENCE RESOURCES, S.L. | ES-Spain | Company | Yes | Alumnus | ESA BIC Madrid Region | |
| 1000032877 | RADIAN SPACE SL | ES-Spain | Company | Yes | Alumnus | ESA BIC Madrid Region | |
| 1000041748 | Redeem Solar Technologies GmbH | AT-Austria | Company | Yes | Alumnus | ESA BIC Austria | |
| 1000047024 | Renegade Science Innovation FlexCo | AT-Austria | Company | Yes | Incubatee | ESA BIC Austria | |
| 1000036609 | Reveal AI UG | DE-Germany | Company | Yes | Alumnus | ESA BIC Hessen | |
| 1000039768 | Revolv Space B.V. | NL-Netherlands | Company | Yes | Alumnus | ESA BIC Noordwijk | |
| 1000045042 | Ricardo, Domingos & Bergano, Lda | PT-Portugal | Company | Yes | Incubatee | ESA BIC Portugal | |
| 1000044093 | Right Step OÜ | EE-Estonia | Company | Yes | Alumnus | ESA BIC Estonia | |
| 1000039380 | Robotto Co ApS | DK-Denmark | Company | Yes | Alumnus | ESA BIC Denmark | |
| 1000038239 | R-Space GmbH | AT-Austria | Company | Yes | Alumnus | ESA BIC Austria | |
| 1000045169 | Rubicon Exploration | FR-France | Company | Yes | Incubatee | ESA BIC Nord France | |
| 1000044441 | SAGA Studio ApS | DK-Denmark | Company | Yes | Alumnus | ESA BIC Denmark | |
| 1000046714 | SAIF Systems Ltd | GB-United Kingdom | Company | Yes | Incubatee | ESA BIC UK | |
| 1000041471 | Salutes Space UG | DE-Germany | Company | Yes | Incubatee | ESA BIC Bavaria | |
| 1000041893 | Satraka Ltd | GB-United Kingdom | Company | Yes | Alumnus | ESA BIC UK | |
| 1000036881 | satsearch holding B.V. - blocked | NL-Netherlands | Company | Yes | Alumnus | ESA BIC Noordwijk | |
| 1000034833 | SCALE Nanotech | EE-Estonia | Company | Yes | Alumnus | ESA BIC Hessen | |
| 1000045772 | Scanio Technologies Unipessoal Lda. | PT-Portugal | Company | Yes | Incubatee | ESA BIC Portugal | |
| 1000040428 | SCIENCE AND TECHNOLOGY ITALY S.R.L. | IT-Italy | Company | Yes | Alumnus | ESA BIC Lazio | |