| Name | Region |
|---|---|
| Pixel Power Ltd | Cambridgeshire |
| Pixel Stag | |
| PixelBeard Ltd | |
| Pixelcabin | |
| Pixeldom Ltd | Surrey |
| Pixelette Technologies | |
| Pixelfield | |
| PixelFusion | |
| Pixelish | |
| PixelMax | |
| PixelMill Ltd | |
| Pixelo Mobile | |
| PixelTree | |
| Pixelwave Design | Ceredigion |
| Pixie Labs (UK) Ltd | |
| Pixion Games | |
| Pixl8 Group Ltd | |
| PixoMarketing | |
| Pixus | Merseyside |
| Pixward Games Ltd | |
| PJC Technologies Ltd | Essex |
| PJD Web Design | Derbyshire |
| PJW Design Ltd | Surrey |
| PJWD.Net Website Design Guernsey | Channel Islands |
| PKF International Ltd | |
| PlaceforGames | Essex |
| Placito Software Solutions | |
| Plan-IT Systems Ltd | Falkirk |
| Planes | Greater London |
| Planet Computers | |
| Planet eStream | |
| Planet Interactive Arts | |
| Planet Numbers Ltd | Dorset |
| Planet Plug Devices Ltd | |
| Planet Preserve | |
| Planet Zarg Ltd | |
| PlanetTalk | |
| PlanetWatchers | |
| Planixs GRP Ltd | |
| Planky | |
| Planmaster Systems Ltd | Buckinghamshire |
| Plantec | |
| Plastech Solutions Ltd | |
| Plastic Box | Hampshire |
| Plasticell Ltd | |
| Plastron UK | |
| Platform | |
| Platform365 Ltd | Greater London |
| Platinum Computers | County Durham |
| Platned |