| 1000042382 | HAT.tec GmbH | DE-Germany | Company | No | Alumnus | ESA BIC Bavaria | |
| 1000032423 | Hawa Dawa | DE-Germany | Company | No | Alumnus | ESA BIC Bavaria | |
| 1000043690 | HCP Sense GmbH | DE-Germany | Company | Yes | Alumnus | ESA BIC Hessen | |
| 1000032900 | HeraSpace UG | DE-Germany | Company | No | Alumnus | ESA BIC Hessen | |
| 1000042191 | Horizon Microtechnologies Gmbh | DE-Germany | Company | No | Alumnus | ESA BIC Baden-Württemberg | |
| 1000031470 | HOSTmi GmbH | DE-Germany | Company | No | Alumnus | ESA BIC Hessen | |
| 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 | |
| 1000044928 | Husenbeth Services UG (haftungsbeschränkt) | DE-Germany | Company | No | Incubatee | ESA BIC Hessen | |
| 1000045426 | Hypersonica GmbH | DE-Germany | Company | No | Incubatee | ESA BIC Bavaria | |
| 1000039556 | HYVIATE GmbH | DE-Germany | Company | Yes | Alumnus | ESA BIC Bavaria | |
| 1000045295 | IMENSUS UG (haftungsbeschränkt) | DE-Germany | Company | Yes | Alumnus | ESA BIC Baden-Württemberg | |
| 1000043373 | Inflabi GmbH | DE-Germany | Company | No | Incubatee | ESA BIC Hessen | |
| 1000044671 | InnoShiftIng GmbH | DE-Germany | Company | No | Incubatee | ESA BIC Hessen | |
| 1000044654 | InSpacePropulsion Technologies GmbH | DE-Germany | Company | Yes | Alumnus | ESA BIC Baden-Württemberg | |
| 1000029389 | Intelligence on Wheels (IoW) GmbH | DE-Germany | Company | No | Alumnus | ESA BIC Bavaria | |
| 1000041801 | IRUBIS GmbH | DE-Germany | Company | No | Alumnus | ESA BIC Bavaria | |
| 1000030449 | Isar Aerospace SE | DE-Germany | Company | No | Alumnus | ESA BIC Bavaria | |
| 1000046242 | ivilion | DE-Germany | Company | Yes | Incubatee | ESA BIC North Rhine-Westphalia | |
| 1000040547 | KINETIK Space | DE-Germany | Company | Yes | Alumnus | ESA BIC Bavaria | |