| Redhand | Silesian |
| Redi Games | |
| Redpill | Masovian |
| Redsoft Sp. z o.o. | Lower Silesian |
| Redvike Sp. z o.o. | |
| Reef Factory Sp. z o.o. | |
| Reef Technologies | Masovian |
| Reino Capital | |
| RejestracjaDomen.pl Sp. z o.o. | Masovian |
| ReklamDlaBiznesu.pl | |
| Rekord SI | Silesian |
| Reliability Solutions Sp. z o.o. | |
| Reliable WebHosting | |
| Remarkable Solutions | |
| RemmedVR | |
| Remnet | Lower Silesian |
| RENE | Pomeranian |
| RentPlanet | |
| Reprotechnika Sp. z o.o. | |
| Reset2 | Lower Silesian |
| ReSpo.Vision Sp. z o.o. | |
| Response Sp. z o.o. | Łódź |
| Restimo Sp. z o.o. | |
| Resymbio | |
| Revo Technologies | |
| Revolve Healthcare Sp. z o.o. | |
| RevoTech Pro | |
| Rewido | |
| RewiSoft | |
| REWSOFT | |
| Rezon Bio | |
| RHO Software | Lesser Poland |
| Right Information | |
| Ringier Axel Springer Polska Sp. z o.o. | |
| RITS Professional Services Sp. z o.o. | Masovian |
| RK Software Systems | |
| Robotec.AI | |
| Robotec.ai Sp. z o.o. | |
| Robotyka.com | Lesser Poland |
| Rocket Jobs | |
| Rocket Welder | |
| Rockon Sp. z o.o. | Masovian |
| Rocks & Gold | Masovian |
| Rocksoft Sp. z o.o. | |
| Roduq | |
| Roger Sp. z o.o. Sp. k. | Pomeranian |
| Roial.pl | |
| Rolique | |
| RolTech | Opole |
| RooTXNET | |