| Pepto Systems | Stockholm |
| Peptonic Medical | |
| Percepio AB | |
| Percy Roc AB | |
| Perfect Sense AB | Västra Götaland |
| Performance Canvas | Stockholm |
| Perimed AB | |
| Persifund AB | |
| Personalkollen Sverige AB | |
| Perspetivo AB | |
| Petli AB | |
| Pettersson Elektronik AB | Uppsala |
| PExA | |
| Pharmadule Morimatsu AB | |
| PharmaLundensis AB | |
| Pharmiva AB | |
| PharmNovo AB | |
| Phase Space Computing AB | |
| PhenoTarget | |
| Photon Sports | |
| Phyron AB | |
| Phytomed AB | |
| Picsearch Services AB | Stockholm |
| Picsmart AB | |
| Pieces Interactive AB | Västra Götaland |
| Piffl | |
| Pigello AB | |
| Pila Pharma | |
| Pilloxa AB | |
| Pineberry AB | Stockholm |
| Ping Research | Uppsala |
| PinMeTo | |
| Pinteg AB | |
| Piranha CMS | |
| Piraya | Halland |
| Pirr | |
| Pitch Technologies AB | Östergötland |
| Pixelbite Games | |
| Pixelgen Technologies | |
| Pixl Bio AB | |
| PK Data | Västra Götaland |
| Planax AB | |
| Planhat | |
| PLANit Sweden AB | |
| Plant An Idea AB | |
| PlasticFri | |
| Platzer Fastigheter AB | |
| Playground TV AB | |
| PlaygroundSquad | Dalarna |
| PlayReplay AB | |