| 1000027800 | GMATICS SRL | IT-Italy | Company | Yes | Alumnus | ESA BIC Lazio | |
| 1000028224 | Golbriak Space oü | EE-Estonia | Company | Yes | Alumnus | ESA BIC Estonia | |
| 1000039754 | Grapehawk SAS | FR-France | Company | Yes | Alumnus | ESA BIC Sud France | |
| 1000024553 | GREEN SPIN GmbH | DE-Germany | Company | Yes | Alumnus | ESA BIC Bavaria | |
| 1000039170 | GreenEmissions AB | SE-Sweden | Company | Yes | Alumnus | ESA BIC Sweden | |
| 1000043625 | Grid Oracle OÜ | EE-Estonia | Company | Yes | Incubatee | ESA BIC Estonia | |
| 1000032696 | Groundspace | FR-France | Company | Yes | Alumnus | ESA BIC Sud France | |
| 1000043690 | HCP Sense GmbH | DE-Germany | Company | Yes | Alumnus | ESA BIC Hessen | |
| 1000038573 | HDES Service & Engineering BV | NL-Netherlands | Company | Yes | Alumnus | ESA BIC Noordwijk | |
| 1000043205 | Hecto Drone ApS | DK-Denmark | Company | Yes | Alumnus | ESA BIC Denmark | |
| 1000032429 | Heimdal Satellite Technologies AS | NO-Norway | Company | Yes | Alumnus | ESA BIC Norway | |
| 1000040532 | HIPPARCOS S.R.L. | IT-Italy | Company | Yes | Alumnus | ESA BIC Turin | |
| 1000046217 | HoZe Solutions GmbH | DE-Germany | Company | Yes | Incubatee | ESA BIC North Rhine-Westphalia | |
| 1000045689 | Hula Technology GmbH | DE-Germany | Company | Yes | Incubatee | ESA BIC Bavaria | |
| 1000043405 | Hybrid Propulsion for Space | FR-France | Company | Yes | Alumnus | ESA BIC Sud France | |
| 1000038482 | HYDRA SPACE SYSTEMS | ES-Spain | Company | Yes | Incubatee | ESA BIC Madrid Region | |
| 1000039556 | HYVIATE GmbH | DE-Germany | Company | Yes | Alumnus | ESA BIC Bavaria | |
| 1000033314 | IDAERO SOLUTIONS SL | ES-Spain | Company | Yes | Alumnus | ESA BIC Madrid Region | |
| 1000032151 | Ienai SPACE SL | ES-Spain | Company | Yes | Alumnus | ESA BIC Madrid Region | |
| 1000044643 | Ilu Space Oy | FI-Finland | Company | Yes | Alumnus | ESA BIC Finland | |