| ID | Name | Type |
|---|---|---|
| #4716 | Fin Fahey | ? |
| #4717 | Fina Valero Morcillo | ? |
| #22005 | Fine Soft | - |
| #4718 | Finest Group | Z |
| #4719 | Finger Products Ltd | Z |
| #19012 | Finlay [Bearsden Primary 2019] | + |
| #17277 | Finsbury Computer Centre | A |
| #4720 | Finsbury Software | P |
| #4721 | Fire Angel Software | Z |
| #18872 | FireSoft Hackers Group | P |
| #4722 | Firebird Software Ltd | P |
| #4723 | Firecracker Software | Z |
| #4724 | Firefly | ? |
| #4725 | Firefly Software | P |
| #21287 | Firefly Software [2] | P |
| #18694 | Firelord | - |
| #4726 | Firesoft | Z |
| #4727 | Firesoftware | Z |
| #4728 | Firestarter | ? |
| #17278 | First Byte Club | S |