F
| Fab24 Ltd | |
 | Fair Pley Ltd |
| FASS (Family Addiction Support Services) | |
| Fast Fixx Catering Engineers | |
| FBM Contracts Ltd | |
 | First Class Physiotherapy |
| First Opinion Ltd | |
 | First Truck & Van Services |
 | Firwood Contracts |
| Fleming Building Limited | |
 | Focus Games Limited |
| Food Train | |
| Forbidden Planet | |
| Fraunhofer UK Research Limited | |
| French Duncan LLP | |
| Funding Neuro |
