| 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 | |
| 1000032263 | Rigi Technologies | CH-Switzerland | Company | No | Alumnus | ESA BIC Switzerland | |
| 1000044844 | Riverkin GmbH | CH-Switzerland | Company | No | Incubatee | ESA BIC Switzerland | |
| 1000041983 | Robco GmbH | DE-Germany | Company | No | Alumnus | ESA BIC Bavaria | |
| 1000026606 | Robotic Eyes GmbH & Co KG | AT-Austria | Company | No | Alumnus | ESA BIC Austria | |
| 1000039380 | Robotto Co ApS | DK-Denmark | Company | Yes | Alumnus | ESA BIC Denmark | |
| 1000041484 | RoseEnergetic UG (haftungsbeschränkt) | DE-Germany | Company | No | Alumnus | ESA BIC Bavaria | |
| 1000043569 | Roundpeg Technologies GmbH | DE-Germany | Company | No | Alumnus | ESA BIC Bavaria | |
| 1000038239 | R-Space GmbH | AT-Austria | Company | Yes | Alumnus | ESA BIC Austria | |
| 1000045169 | Rubicon Exploration | FR-France | Company | Yes | Incubatee | ESA BIC Nord France | |
| 1000033189 | Safing ICS Technologies GmbH | AT-Austria | Company | No | Alumnus | ESA BIC Austria | |
| 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 | |
| 1000042743 | Samudra Oceans Limited | GB-United Kingdom | Company | No | Alumnus | ESA BIC UK | |
| 1000045771 | SAR Projects MB | LT-Lithuania | Company | No | Incubatee | ESA BIC Lithuania | |
| 1000021327 | SAT4M2M GmbH | DE-Germany | Company | No | Alumnus | ESA BIC Bavaria | |