| 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 | |
| 1000032884 | Polariton Technologies Ltd | CH-Switzerland | Company | No | Alumnus | ESA BIC Switzerland | |
| 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 | |
| 1000047631 | PRODUCTIONARY GmbH | DE-Germany | Company | No | Alumnus | ESA BIC Hessen | |
| 1000025374 | PROESYS S.R.L. | IT-Italy | Company | Yes | Alumnus | ESA BIC Lazio | |
| 1000038106 | Prof. Dr. H.P. Zenner GmbH | DE-Germany | Company | No | Alumnus | ESA BIC Baden-Württemberg | |
| 1000041427 | Prometheus Life Technologies AG | CH-Switzerland | Company | Yes | Alumnus | ESA BIC Switzerland | |