| Possible Ventures | |
| Posso Marketing GmbH | North Rhine-Westphalia |
| PosterJet | North Rhine-Westphalia |
| PostgreSQL User Group Germany | Berlin |
| postina.net | Baden-Württemberg |
| PostMe | Berlin |
| Potsdam Consulting Advisory GmbH | |
| Potsdamer Linux Users Group | Brandenburg |
| Pott-SEO | |
| Power Control Electronic GmbH & Co. KG | Baden-Württemberg |
| Power Plus Communications AG | |
| Power-Netz | Lower Saxony |
| powercloud GmbH | |
| PowerCo SE | |
| PowerFolder | North Rhine-Westphalia |
| PowerShrink | Hesse |
| PP 2OOO Business Integration AG | Baden-Württemberg |
| ppedv AG | Bavaria |
| ppi Media GmbH | Hamburg |
| PPMnet AG | |
| PR Direktmarketing GmbH | Hesse |
| Practically.io | |
| Pragma Informationssyteme GmbH | Rhineland-Palatinate |
| Pragmatic Apps | Baden-Württemberg |
| Präsenz im Netz Gesellschaft für Informationstechnologie mbH | North Rhine-Westphalia |
| Praxa Computer & Software GmbH | Bavaria |
| Prechter + Renner GmbH | Baden-Württemberg |
| Preclinics GmbH | |
| predict.io GmbH | |
| preis24.de | Baden-Württemberg |
| PREMA Semiconductor GmbH | Rhineland-Palatinate |
| PREMATCH Sports GmbH | |
| Premier Computer Handels GmbH | Hamburg |
| Premier Ingenieur GmbH | Bremen |
| PremiumNet DV-Consulting | North Rhine-Westphalia |
| Prenzlweb | |
| PreOmics GmbH | |
| present4D Solutions UG (haftungsbeschränkt) i.G. | |
| Prestatech GmbH | |
| Pretix | |
| Pretty Bloody Simple | |
| Prettysocial Media International GmbH | |
| Preventio GmbH | |
| pReview Digital Design GmbH | Hamburg |
| PreviPharma Consulting GmbH | |
| Priavoid GmbH | |
| Price f(x) AG | Baden-Württemberg |
| Priceloop GmbH | |
| PRIMACYT Cell Culture Technology GmbH | |
| Primap | Baden-Württemberg |