- Facilities Recruitment Ltd
- Fenner Engineering Limited
- Find A Job (East Anglia) Ltd
- First 4 Personnel
- First Contact Chefs
- First People Solutions Group
- First Thought Marketing
- Fixed Recruit
- FMI Travel
- Focus Fitness UK
- FOR Offshore
- Format Recruitment
- Forward IT Solutions
- Furlong Resourcing Ltd
- Fusion People
