| Propeller.pl Sp. z o.o. | Greater Poland |
| ProperGate Sp. z o.o. | |
| Properis | Lublin |
| ProSAP Sp. z o.o. | Silesian |
| Proscan | Masovian |
| Proster Sp. z o.o. | |
| Proteon Pharmaceuticals | |
| Protos Venture Capital Sp. z o.o. | Masovian |
| Prowly | |
| Proxi.cloud Sp. z o.o. | Greater Poland |
| Proxmedia | Greater Poland |
| PROXYONE, LLC | |
| Przedsiębiorstwo Informatyczne CORE | Silesian |
| Przedsiębiorstwo Informatyczne PROKOMP | Świętokrzyskie |
| Przedsiębiorstwo Robót Telekomunikacyjnych S.A. | Pomeranian |
| Przemek Drożniak | |
| PS Computer Sp. z o.o. | Lower Silesian |
| PS Design | |
| PTH Stanpol Sp. z o.o. | Silesian |
| PTR Digital | |
| PU-H SOFTEL Sp. z o.o. | Subcarpathian |
| Pueo | |
| Pumpa | Lesser Poland |
| Pure Biologics S.A. | |
| PwC Advisory Sp. z o.o. sp.k. | |
| PXDX Studio | |
| PyramidGames S.A. | |
| Pyrylandia Sp. z o.o. | Masovian |
| Pyszne.pl | |
| PZI Taran Sp. z o.o. | Subcarpathian |
| Q-Glasstech Sp. z o.o. | |
| Q21 | |
| Q4Net Sp. z o.o. | |
| Q7 agencja reklamowa | Kuyavian-Pomeranian |
| QAbird | |
| Qalcwise | Masovian |
| Qarbon IT | |
| QkiZ.pl | Lower Silesian |
| QMEDIA Sp. z o.o. | |
| QNA Technology S.A. | |
| Qodeca Sp. z o.o. | Masovian |
| Qoliber | |
| QRQS.eu | |
| Quantee | |
| Quantoo | |
| Quantum Software S.A. | Lesser Poland |
| Quantum Sp. z o.o. | Lower Silesian |
| Quantumobile | |
| QuatroNET | Lesser Poland |
| QubicGames S.A. | Masovian |