| ID | Name | Type |
|---|---|---|
| #11228 | Per Nordqvist | ? |
| #11229 | Pera Putnik | ? |
| #11230 | Pere Butjosa | ? |
| #11231 | Perestroika Software | Z |
| #11232 | Perfection Software | Z |
| #11233 | Perico Delgado | - |
| #18526 | Periko | + |
| #17610 | Periphery | A |
| #11234 | Perpetum | ? |
| #21091 | Perrian Limited | P |
| #19057 | Persona Software | Z |
| #11238 | Personal Computer World | Z |
| #11239 | Personal Purchase | Z |
| #11241 | Personal Software Services Ltd | Z |
| #17611 | Personal Software Users Association | X |
| #17612 | Personnel Holdings Ecosse | M |
| #11242 | Perspective Group | Z |
| #11243 | Perspex | ? |
| #11244 | Petalcraft Demonstrations Ltd | Z |
| #11245 | Pete | + |