| Pix4D S.A. | |
| Pixandnet | Vaud |
| 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 |
| Polariton Technologies AG | |
| Polychrome S.à.r.l. | Geneva |
| PolyPeptide Group AG | |
| Polytech Ventures Holding | |
| Polytrona AG | Nidwalden |
| Pomzed Communication | Jura |
| Pool Informatik GmbH | St. Gallen |
| Posalux | |
| Poseidon Group | Ticino |
| Positrigo AG | |
| PostFinance S.A. | |
| Powatec GmbH | |
| PowerMedia AG | Bern |
| PowerNet Informatik AG | Bern |
| PowerParts AG | Aargau |
| PPS Printer- & Plotterservice GmbH | Aargau |
| Pragma Agency | Geneva |
| Pragmatica AG | Zug |
| Praxinova AG | Thurgau |
| PreAnalytiX GmbH | |
| Preclin Biosystems AG | |
| PreComb Therapeutics AG | |
| Premaccess S.A. | Fribourg |
| Presida Treuhand AG | St. Gallen |
| Prezenz S.à.r.l. | Geneva |
| PriceHubble | |
| Primelco Visual Data AG | Zug |
| Primetrack AG | Basel-Stadt |
| Primex Pharmaceuticals AG | |
| Prisme Solutions Informatiques S.A. | Fribourg |
| Privatbank Von Graffenried AG | |
| Privately S.A. | Vaud |
| Pro Data Service AG | Zurich |
| Pro-Data LGI S.A. | Geneva |
| Proaudio Consulting GmbH | Zurich |
| Procab Studio S.A. | Geneva |