| Fortune Commercials Ltd | Real estate | 2024 |
| Fortune Prop UK Ltd | Real estate | 2025 |
| Forwarding Line Limited | Transport & logistics | 2006 |
| Fosei Transports Ltd | Transport & logistics | 2023 |
| Foxcott Ltd | Real estate | 2013 |
| Foxmd Ltd | Construction | 2022 |
| Foxton Builders Ltd | Construction | 2021 |
| Fozia Care Ltd | Health & social care | 2024 |
| Fractal Opus Ltd | Information & communication | 2022 |
| Framora Ltd | Information & communication | 2025 |
| Frams Ltd | Real estate | 2022 |
| Franklin Finance Ltd | Administrative & support | 2018 |
| Frayslea Limited | Real estate | 2021 |
| Frederick's Property Management Limited | Real estate | 2023 |
| Freight JET Logistics Limited | Transport & logistics | 2025 |
| Freight Sync Limited | Transport & logistics | 2026 |
| Frenchie Lighting Ltd | Information & communication | 2018 |
| Fresh Bite Co ( London ) Ltd | Wholesale & retail | 2013 |
| Fresh Cycle Ltd | Wholesale & retail | 2025 |
| Fresh Foods (UK) Limited | Manufacturing | 2013 |
| Fresh Foods 4 U (UK) Ltd | Manufacturing | 2021 |
| Fresh Hot Pizza and Grill Ltd | Hospitality | 2026 |
| Fresh N Hot Pizza Grill Ltd | Hospitality | 2026 |
| Fresh to Go (UK) Limited | Wholesale & retail | 1988 |
| Freshgo Foods Ltd | Wholesale & retail | 2025 |
| Freshway Store Ltd | Wholesale & retail | 2017 |
| Friendly Clean Team Ltd | Administrative & support | 2026 |
| Friends Construction London Ltd | Construction | 2025 |
| Friends Food Corner Ltd | Hospitality | 2023 |
| Friendship Financial Services Limited | Financial services | 2006 |
| Friendzoned Ltd | Administrative & support | 2025 |
| From Zero to Hero Driving School Ltd | Education | 2023 |
| Front Runner Autos Limited | Wholesale & retail | 2025 |
| Frontier Accountancy Ltd | Professional & scientific | 2018 |
| Frontline Tree Surgeons Ltd | Construction | 2024 |
| Froyo UK Ltd | Hospitality | 2024 |
| Fruits of Lebanon Limited | Administrative & support | 2010 |
| FS & Co. Limited | Wholesale & retail | 2026 |
| FS Arora UK Limited | Wholesale & retail | 2012 |
| FS Sons Ltd | Wholesale & retail | 2024 |
| FS17 Ltd | Real estate | 2024 |
| FSH Ecom Hub Ltd | Wholesale & retail | 2026 |
| FSI Service Limited | Administrative & support | 2016 |
| FT Contracting Ltd | Construction | 2022 |
| FTV Group Ltd | Financial services | 2025 |
| Full Spec Properties Limited | Real estate | 2025 |
| Fulle Properties Ltd | Real estate | 2024 |
| Fuloria Arts & Culture Studio Ltd | Wholesale & retail | 2025 |
| Furniture Depot Ltd | Wholesale & retail | 2024 |
| Furniture Shop Ltd | Wholesale & retail | 2018 |
| Furnova Ltd | Manufacturing | 2025 |
| Fushee Ltd | Wholesale & retail | 2024 |
| Fusion Datacom Limited | Extraterritorial | 2011 |
| Fusionrepairgroup Ltd | Wholesale & retail | 2023 |
| Future Interiors Ltd | Construction | 2025 |
| Future Key Limited | Real estate | 2009 |
| Future Supply Limited | Wholesale & retail | 2025 |
| FUTURE-2016 Ltd | Transport & logistics | 2016 |
| Futurist Finds Ltd | Wholesale & retail | 2024 |
| FVL Technik Ltd | Manufacturing | 2020 |
| FX Zone Express Ltd | Other services | 2019 |
| Fyaaj Limited | Wholesale & retail | 2025 |
| Fyms Investments Ltd | Real estate | 2023 |
| FYX Ltd | Construction | 2020 |
| G & a Foods Limited | Wholesale & retail | 2020 |
| G & G Haulage Ltd | Construction | 2014 |
| G & H Engineering & Diving Services Limited | Wholesale & retail | 1989 |
| G & K Bathroom Design Limited | Construction | 2024 |
| G & M Groundwork's Limited | Construction | 2025 |
| G & R Design and Build Ltd | Construction | 2019 |
| G & R Property Partnership LLP | | 2026 |
| G & S Invest Property Ltd | Real estate | 2025 |
| G 4 Gill Builders Ltd | Construction | 2025 |
| G C Trading (UK) Ltd | Wholesale & retail | 2013 |
| G Deol Transport Ltd | Transport & logistics | 2024 |
| G G ANG Services UK Ltd | Health & social care | 2023 |
| G J Mechanicals Ltd | Construction | 2021 |
| G K K London Ltd | Construction | 2021 |
| G Khalsa Food & Wine Ltd | Wholesale & retail | 2024 |
| G Maan Design & Build Ltd | Construction | 2025 |
| G N Desi Ghee Biscuits Ltd | Manufacturing | 2026 |
| G S B Heating & Plumbing Services Limited | Manufacturing | 2011 |
| G S Builders Ltd | Construction | 2017 |
| G S Consulting Services Ltd | Professional & scientific | 2025 |
| G S Contractor Services Ltd | Construction | 2015 |
| G S HGV Driving Ltd | Transport & logistics | 2024 |
| G S Home Services Limited | Real estate | 2023 |
| G S S Investment Properties Limited | Real estate | 2024 |
| G S Sandhu Ltd | Transport & logistics | 2025 |
| G S Spend N Save Limited | Wholesale & retail | 2013 |
| G Sandhu Home Improvement Ltd | Construction | 2021 |
| G Singh Builders Limited | Construction | 2017 |
| G&A Trade Ltd | Real estate | 2018 |
| G&C Haulage Ltd | Transport & logistics | 2021 |
| G&G Aircon Services Limited | Construction | 2024 |
| G&G Business Support Ltd | Professional & scientific | 2026 |
| G&J Homes & Investment Limited | Real estate | 2025 |
| G&S Online Ltd | Wholesale & retail | 2021 |
| G-Muka Ltd | Wholesale & retail | 2021 |
| G. & J. Instrument Repairs and Supplies Limited | Other services | 1977 |