| 1000028837 | Tisalabs LTD | IE-Ireland | Company | No | Alumnus | ESA BIC Ireland | |
| 1000032660 | TITAN4 srl | IT-Italy | Company | Yes | Alumnus | ESA BIC Lazio | |
| 1000031622 | TIWARI Scientific Instruments GmbH | DE-Germany | Company | No | Alumnus | ESA BIC Hessen | |
| 1000044649 | TLG Innovations | BE-Belgium | Company | No | Alumnus | ESA BIC Belgium | |
| 1000045111 | TOM Robotics GmbH | AT-Austria | Company | Yes | Alumnus | ESA BIC Austria | |
| 1000042594 | Toqua | BE-Belgium | Company | Yes | Alumnus | ESA BIC Belgium | |
| 1000044657 | Tordenskjold ApS | DK-Denmark | Company | Yes | Alumnus | ESA BIC Denmark | |
| 1000039538 | TOSA swisstech | CH-Switzerland | Company | No | Alumnus | ESA BIC Switzerland | |
| 1000045168 | TrackDeep OÜ | EE-Estonia | Company | No | Alumnus | ESA BIC Estonia | |
| 1000040540 | TRACKSCO2 SATELITES SL | ES-Spain | Company | No | Alumnus | ESA BIC Barcelona | |
| 1000045090 | Transcality | CH-Switzerland | Company | No | Alumnus | ESA BIC Switzerland | |
| 1000034868 | TravelAi | GB-United Kingdom | Company | No | Alumnus | ESA BIC UK | |
| 1000050002 | Treeconomy Ltd | GB-United Kingdom | Company | Yes | Alumnus | ESA BIC UK | |
| 1000046721 | Trimsignal | GR-Greece | Company | Yes | Alumnus | ESA BIC Greece | |
| 1000043062 | Turtle Island Space B.V. | NL-Netherlands | Company | No | Alumnus | ESA BIC Noordwijk | |
| 1000042621 | TwingTec | CH-Switzerland | Company | No | Alumnus | ESA BIC Switzerland | |
| 1000041027 | Tycho Space Technologies AS | NO-Norway | Company | Yes | Alumnus | ESA BIC Norway | |
| 1000040692 | UAB Delta Biosciences | LT-Lithuania | Company | Yes | Alumnus | ESA BIC Lithuania | |
| 1000036640 | Uav Autosystems Hovering Solutions España SL. | ES-Spain | Company | No | Alumnus | ESA BIC Madrid Region | |
| 1000040646 | ubicube GmbH | AT-Austria | Company | No | Alumnus | ESA BIC Austria | |