- Fairdeal Appliances LTD
- FairyPan
- Families & Community Support Service
- Fast Encash Money Transfer Services LTD
- FavTech LTD
- First Class Learning Stratford
- Fletcherwilson Ltd
- Forest Gate Eye Clinic
- Forest Tandoori Ltd
- Fortress Property Solutions
- Four Seasons Caribbean Food
- Funcraft(UK)Ltd
- Function Studio
- Futureents