| Outsource Digital | Gauteng |
| Outsource House | Gauteng |
| Ovation Internet CC | Gauteng |
| Overflow Online | |
| Owl Media (Pty) Ltd | Gauteng |
| Ozone Information Technology Distribution | Gauteng |
| Ozow | Gauteng |
| P.itch Digital | Gauteng |
| Paarl Web Design | |
| PalmSoft Solutions | Gauteng |
| Paltrack | Western Cape |
| Pankey Solutions | Gauteng |
| Pansmart Western Cape | Western Cape |
| Panstrat Solutions | Gauteng |
| Paper Plane Designs | |
| Parallax Studios | Gauteng |
| Parcel Perfect | Western Cape |
| Parsec | Gauteng |
| PartServe Channel Support (Pty) Ltd | Gauteng |
| Paul Cammidge Computer Consulting CC | Gauteng |
| Paul Fussell Designs | Gauteng |
| PayCurve | |
| PayDay Software Systems | |
| PayDay Software Systems (Pty) Ltd | Gauteng |
| PayFast | Western Cape |
| PayGate (Pty) Ltd | Western Cape |
| PayGenius | |
| Payghost | Gauteng |
| PAYGHOST | |
| Paymenow | Western Cape |
| Paymentology | Gauteng |
| Paysoft | Western Cape |
| Paytec Services (Pty) Ltd | Western Cape |
| Payteq (Pty) Ltd | Gauteng |
| PC Guy | Western Cape |
| PC International | Gauteng |
| PC Laptops | Western Cape |
| PC Network | Western Cape |
| PC Palace | Gauteng |
| PCB Technologies | Gauteng |
| PCS Global | Gauteng |
| PDC | Gauteng |
| Peach Payments | Western Cape |
| Peachfuzz Web Group | KwaZulu-Natal |
| Pen-IT | Limpopo |
| Peninsula I.T. | Western Cape |
| Peopleplus (Pty) Ltd | Gauteng |
| Perch Co-Working Office Space | |
| Peresoft Software & Support (Pty) Ltd | Western Cape |
| Performance Group | Gauteng |