| 1000031799 | Luminovo GmbH | DE-Germany | Company | No | Alumnus | ESA BIC Bavaria | |
| 1000034722 | Lumiphase | CH-Switzerland | Company | No | Alumnus | ESA BIC Switzerland | |
| 1000045700 | Luna Space Ltd | HU-Hungary | Company | No | Alumnus | ESA BIC Hungary | |
| 1000036465 | Lunar Resources Registry UG | DE-Germany | Company | Yes | Alumnus | ESA BIC Hessen | |
| 1000038594 | Lunasa Ltd. | GB-United Kingdom | Company | No | Alumnus | ESA BIC UK | |
| 1000031187 | LuxFlux GmbH | DE-Germany | Company | No | Alumnus | ESA BIC Baden-Württemberg | |
| 1000039513 | Lympik GmbH | AT-Austria | Company | Yes | Alumnus | ESA BIC Austria | |
| 1000045578 | MAAGM | FR-France | Company | Yes | Alumnus | ESA BIC Nord France | |
| 1000026622 | Madrid Space Europe S.L. | ES-Spain | Company | Yes | Alumnus | ESA BIC Madrid Region | |
| 1000032837 | Magdrive | GB-United Kingdom | Company | No | Alumnus | ESA BIC UK | |
| 1000034159 | MAGMA TECHNOLOGY | FR-France | Company | No | Alumnus | ESA BIC Nord France | |
| 1000048408 | Magnetic Future S.R.L. | IT-Italy | Company | Yes | Alumnus | ESA BIC Lazio | |
| 1000044989 | makeMINT UG (haftungsbeschraenkt) & Co. KG | DE-Germany | Company | No | Alumnus | ESA BIC Baden-Württemberg | |
| 1000037615 | MANAOMEA GMBH | DE-Germany | Company | No | Alumnus | ESA BIC Bavaria | |
| 1000047198 | Manteo AI P.C. | GR-Greece | Company | Yes | Alumnus | ESA BIC Greece | |
| 1000044099 | Mantis Photonics AB | SE-Sweden | Company | No | Alumnus | ESA BIC Sweden | |
| 1000041843 | Maple Aviation GmbH | DE-Germany | Company | Yes | Alumnus | ESA BIC Bavaria | |
| 1000042874 | Mapotic, s.r.o. | CZ-Czech Republic | Company | No | Alumnus | ESA BIC Czech Republic | |
| 1000042963 | Marble Imaging GmbH | DE-Germany | Company | Yes | Alumnus | ESA BIC Northern Germany | |
| 1000044960 | Marine Weather Intelligence | FR-France | Company | Yes | Alumnus | ESA BIC Nord France | |