| Fair Dene Residents Association Limited | Households | 1985 |
| Fairness in Fees Limited | Professional & scientific | 2015 |
| Famenew Limited | Other services | 1999 |
| Family Records Limited | Information & communication | 1997 |
| Family Tree Care Limited | Health & social care | 2025 |
| Fanous Housing Limited | Real estate | 2021 |
| Farmland Cranleigh Limited | Real estate | 2015 |
| Favorite Chicken Coulsdon Limited | Hospitality | 2024 |
| Fayb Consulting Limited | Information & communication | 2023 |
| Fayth Healthcare Ltd | Health & social care | 2021 |
| FB Design and Construction Ltd | Construction | 2021 |
| Feat Factory Ltd | Real estate | 2025 |
| Ferns Asset Management Limited | Construction | 2021 |
| Ferox PRD Limited | Wholesale & retail | 2019 |
| Fewzen AI Limited | Information & communication | 2025 |
| Fewzen Limited | Information & communication | 2018 |
| FHB Research & Consultancy Ltd | Professional & scientific | 2017 |
| Fibrestream Ltd | Information & communication | 2015 |
| Fides Academy Limited | Professional & scientific | 2025 |
| Fieldguard Fencing UK Ltd | Wholesale & retail | 2026 |
| Fields in MAY Ltd | Professional & scientific | 2022 |
| Fifteen TEN Systems Limited | Professional & scientific | 2023 |
| Figureweave Accountancy Ltd | Extraterritorial | 2011 |
| Fina Designs Limited | | 1990 |
| Finance Enabled Ltd | Professional & scientific | 2023 |
| Find a Decorator Ltd | Construction | 2026 |
| Fine Toad Limited | Real estate | 2024 |
| Finesse Corporate Solutions Limited | Other services | 2011 |
| Finishing Touch (2006) Limited | Professional & scientific | 2006 |
| Finley Court Apartment Limited | Households | 2021 |
| Finley Court Management Limited | Households | 2021 |
| Finrock Properties Ltd | Real estate | 2024 |
| Fipa Solutions Limited | Administrative & support | 2014 |
| FIR Ridge Care Home Ltd | Health & social care | 2023 |
| Firbow Social Ltd | Professional & scientific | 2026 |
| Fire Prevention Services London Ltd | Public administration | 2020 |
| Firesafe Midlands UK Limited | Other services | 2021 |
| Firesafe Operations UK Ltd. | Public administration | 2014 |
| Firmae Architecture Limited | Professional & scientific | 2026 |
| First Serve Coaching Limited | Education | 2022 |
| Fitngroove Limited | Health & social care | 2025 |
| Flame Lily Property Management Ltd | Real estate | 2024 |
| Flame Solutions Ltd | Administrative & support | 2023 |
| Flames Heating and Plumbing Limited | Construction | 2017 |
| Flexcell Design Solutions Group Ltd | Professional & scientific | 2025 |
| Flora Essentials Ltd | Wholesale & retail | 2024 |
| Florence Avenue Care Home Limited | Health & social care | 2015 |
| Flori Trans Ltd | Transport & logistics | 2019 |
| Florian Ensemble Community Interest Company | Education | 2025 |
| Flowergrid Ltd | Public administration | 2026 |
| Flurry and ME Ltd | Wholesale & retail | 2022 |
| Focus MAN Fashion Ltd | Wholesale & retail | 2019 |
| Foot DOC Ltd | Health & social care | 2004 |
| Force Majeure Consulting Limited | Administrative & support | 2011 |
| Foreverr Limited | Wholesale & retail | 2019 |
| Forged Terrain Limited | Manufacturing | 2024 |
| Formula 11 Limited | Administrative & support | 1998 |
| Fortana Limited | Construction | 2016 |
| Fortress Roofing and Building Ltd | Construction | 2026 |
| Fortune Project Ltd | Other services | 2014 |
| Fortytwentyfour Xxiv Ltd | Wholesale & retail | 2024 |
| Foundations First Education Limited | Education | 2023 |
| Fountainhub Ltd | Wholesale & retail | 2020 |
| Foxville RTM Company Ltd | Households | 2025 |
| Franciscan Road Freeholders Limited | Real estate | 2004 |
| Free U'S Training CIC | Education | 2022 |
| Freight Recovery Solution Limited | Transport & logistics | 2020 |
| FSW Magazine Ltd | Information & communication | 2016 |
| FT Property Limited | Other services | 2008 |
| Fugly Duck Limited | Wholesale & retail | 2024 |
| Funny Fella Limited | Administrative & support | 2023 |
| Future Day Limited | Real estate | 2006 |
| Future Scope 360 Limited | Arts & recreation | 2013 |
| G W Coote Limited | Professional & scientific | 2014 |
| G.B Truck Sales Limited | Wholesale & retail | 1992 |
| Gagda Investments Ltd | Wholesale & retail | 2023 |
| Gagda Limited | Wholesale & retail | 2024 |
| Galago Investments Limited | Financial services | 2019 |
| Galago Limited | Professional & scientific | 2015 |
| Galago Property Limited | Real estate | 2019 |
| Galaxy Grooming Limited | Manufacturing | 2016 |
| Galina Beauty Therapy Ltd | Other services | 2011 |
| Gama Property Services Limited | Households | 2017 |
| Garrard Professional Services Ltd | Professional & scientific | 2011 |
| Gary Knights Testing Ltd | Information & communication | 2017 |
| GAS Plumbing Service Construction Ltd | Construction | 2022 |
| GBM Assets Ltd | Real estate | 2022 |
| Geeva Limited | Information & communication | 2014 |
| Geli Limited | Wholesale & retail | 2020 |
| Gemima Court Management Limited | Extraterritorial | 2008 |
| Gene&Grace Design Ltd | Professional & scientific | 2020 |
| Genecine Ltd | Administrative & support | 2017 |
| Genesis Blockchain Limited | Financial services | 2025 |
| Genesis Consulting Group Ltd | Professional & scientific | 2025 |
| Georgepfylde Ltd | Construction | 2008 |
| Georgia Lawton Properties Ltd | Real estate | 2022 |
| GIA Solutions Limited | Information & communication | 2007 |
| GIN Telecom Limited | Information & communication | 2015 |
| Ginger Cat RVN Ltd | Professional & scientific | 2016 |
| GK Trade & Photo Limited | Wholesale & retail | 2017 |