| Penguin Studio | |
| Pentag Informatik AG | Bern |
| Pentagon System S.à.r.l. | Neuchâtel |
| Pentapharm AG | |
| Peoplefone AG | Zurich |
| pEp Security S.A. | Zurich |
| Pepnet | Zurich |
| Perey Research & Consulting | |
| Pericom AG | Schaffhausen |
| PeriVision S.A. | |
| Perldev | Jura |
| Permission.io | Zug |
| Perrier Machines de Bureau | Vaud |
| Perseo Pharma AG | |
| Persoft AG | |
| PersonalCare Systems | |
| Perspectives Software Solutions GmbH | Zurich |
| Pexapark | |
| Pexys Group | Zurich |
| Phargentis S.A. | |
| PharmaBiome AG | |
| Pharvaris | |
| Phillip vs. Eichinger | Lucerne |
| Philochem AG | |
| PhoneWorld Telecommunications | Geneva |
| Piavita AG | |
| Picnic Terminal | Zurich |
| Piece International S.A. | |
| Piguet Galland | |
| Pilatus Biosciences S.A. | |
| Pipra AG | |
| PIT Solutions AG | Zurich |
| Pitcher AG | |
| Pix4D S.A. | |
| Pixandnet | Vaud |
| Pixeleez S.à.r.l. | |
| Pixeltex GmbH | Zurich |
| PlaceTec AG | Basel-Landschaft |
| Plan-B GmbH | Thurgau |
| Planet Web GmbH | Aargau |
| Planted Foods AG | |
| PlantingSpace | |
| Planyo | Ticino |
| Plesk International GmbH | Schaffhausen |
| Plexim GmbH | Zurich |
| plusproduit S.à.r.l. | Geneva |
| PMI Science | |
| Point i | Geneva |
| PointCloud | |
| Polariton Technologies AG | |