| 1000035726 | Plastron Ltd | GB-United Kingdom | Company | Yes | Alumnus | ESA BIC UK | |
| 1000045490 | PLENO GmbH | DE-Germany | Company | Yes | Alumnus | ESA BIC Northern Germany | |
| 1000045874 | Pneumo Planet Kg | AT-Austria | Company | Yes | Alumnus | ESA BIC Austria | |
| 1000031635 | POLAR DEVELOPMENTS SL | ES-Spain | Company | No | Alumnus | ESA BIC Madrid Region | |
| 1000047358 | Polar Orbital Oy | FI-Finland | Company | Yes | Incubatee | ESA BIC Finland | |
| 1000032884 | Polariton Technologies Ltd | CH-Switzerland | Company | No | Alumnus | ESA BIC Switzerland | |
| 1000046261 | Polliknow Limited | IE-Ireland | Company | No | Incubatee | ESA BIC Ireland | |
| 1000050154 | Pollux Tech | GR-Greece | Company | No | Incubatee | ESA BIC Greece | |
| 1000037374 | porkchop | SE-Sweden | Company | No | Alumnus | ESA BIC Sweden | |
| 1000011986 | POSITIM UG | DE-Germany | Company | Yes | Alumnus | ESA BIC Hessen | |
| 1000036546 | PowerUP Fuel Cells OÜ | EE-Estonia | Company | Yes | Alumnus | ESA BIC Estonia | |
| 1000036135 | Preceptech Ltd | GB-United Kingdom | Company | No | Alumnus | ESA BIC UK | |
| 1000044672 | Preflet GmbH | DE-Germany | Company | No | Alumnus | ESA BIC Baden-Württemberg | |
| 1000045925 | preML GmbH | DE-Germany | Company | Yes | Alumnus | ESA BIC Baden-Württemberg | |
| 1000044383 | PreserviTec GmbH | DE-Germany | Company | No | Alumnus | ESA BIC Hessen | |
| 1000033447 | PriLogiX GmbH | DE-Germany | Company | No | Alumnus | ESA BIC Baden-Württemberg | |
| 1000041649 | Primover Technologies AB | SE-Sweden | Company | Yes | Alumnus | ESA BIC Sweden | |
| 1000044662 | PRIOjet GmbH | DE-Germany | Company | No | Alumnus | ESA BIC Hessen | |
| 1000034121 | Procada AB | SE-Sweden | Company | Yes | Alumnus | ESA BIC Sweden | |
| 1000049375 | Procureezy | FR-France | Company | Yes | Alumnus | ESA BIC Nord France | |