| Foxes Holidays Ltd | Hospitality | 2018 |
| Fractal Curve Ltd | Other services | 2013 |
| Frame & Floor Limited | Information & communication | 2025 |
| Frame Building Services Limited | Construction | 2023 |
| Frame Carpentry Limited | Construction | 2016 |
| Fran Estates Ltd | Administrative & support | 2019 |
| Francesca Cakes and Coffee House Ltd | Manufacturing | 2020 |
| Franco GAS Ltd | Other services | 2017 |
| Frank & Sons Bucks Ltd | Real estate | 2024 |
| Fratelli Services Limited | Real estate | 2016 |
| Fravia Properties Ltd | Real estate | 2021 |
| FRE3ZA Ltd. | Information & communication | 2020 |
| Free Church Property Ltd | Construction | 2023 |
| Free Radical Music Limited | Administrative & support | 2004 |
| Free Trade Export Co., Ltd | Wholesale & retail | 2019 |
| Freeport Marine PTE Ltd | Administrative & support | 2022 |
| Freerun Consulting Limited | Wholesale & retail | 2006 |
| Freeze DRY World Ltd | Wholesale & retail | 2019 |
| Fresh Commun-It Limited | Education | 2015 |
| Fresh Prints of Ruislip Limited | Manufacturing | 2025 |
| Freshfield Management Limited | Households | 2019 |
| Fridgephysics Ltd | Education | 2020 |
| Fried UP Ltd | Hospitality | 2025 |
| Friendly Spirits Limited | Wholesale & retail | 2018 |
| Frogman Group Ltd | Other services | 2020 |
| Front Line Roofing and Building Ltd | Construction | 2020 |
| Front Range Consulting Ltd | Wholesale & retail | 2021 |
| Fruit BAT Marketing Limited | Transport & logistics | 2010 |
| FS Sales Ltd | Wholesale & retail | 2025 |
| FSE Computerworld Ltd | Information & communication | 2011 |
| FSP Training Centres Ltd | Other services | 2014 |
| Fsua Properties Ltd | Real estate | 2018 |
| Fswpt Limited | Other services | 2021 |
| FTA Construction Ltd | Construction | 2016 |
| Fuhe HK Trading Co., Ltd | Administrative & support | 2021 |
| Full GAS Cycling Limited | Arts & recreation | 2015 |
| Full GAS Limited | Arts & recreation | 2023 |
| Full Stone Brothers Ltd | Professional & scientific | 2014 |
| Funding Audio Equipment Co., Limited | Administrative & support | 2021 |
| Funky Town Investments Limited | Real estate | 2018 |
| Fuss IT Ltd | Wholesale & retail | 2011 |
| Future Base Ltd | Education | 2025 |
| FX Squared Limited | Professional & scientific | 2012 |
| G & M Senior Care Ltd | Health & social care | 2006 |
| G Dowsett Ltd | Arts & recreation | 2016 |
| G Kelly & SON Limited | Manufacturing | 2003 |
| G Lisi Developments Limited | Construction | 2016 |
| G Pro Construction Ltd | Construction | 2023 |
| G S James Mechanical Services Ltd | Construction | 2004 |
| G&C Products Ltd | Wholesale & retail | 2022 |
| G&E Consulting Limited | Professional & scientific | 2022 |
| G&M Electrical Solutions Limited | Construction | 2019 |
| G&M Supply Solutions Limited | Wholesale & retail | 2025 |
| G&V London Construction Ltd | Construction | 2020 |
| G.Ma Design Limited | Manufacturing | 2024 |
| G5 Consulting Limited | Professional & scientific | 2023 |
| GA Driving Education Limited | Education | 2019 |
| GA Kitchens Ltd | Construction | 2024 |
| Gabrielle Choo Ltd | Professional & scientific | 2019 |
| Gabrielle Gardens Ltd | Administrative & support | 2017 |
| Gade Close Residents Association Limited | Real estate | 1987 |
| Gaias Work Ltd | Manufacturing | 2022 |
| Gaintex Limited | Information & communication | 2016 |
| Galas Services Ltd | Financial services | 2020 |
| Galaxy 2016 Ltd | Transport & logistics | 2017 |
| Galaxy International Co., Ltd | Administrative & support | 2023 |
| GALLIAN78 Consultancy Ltd | Professional & scientific | 2026 |
| GALLIAN78 Holding Ltd | Financial services | 2025 |
| GALLIAN78 Ltd | Financial services | 2022 |
| Gallipauli Limited | Wholesale & retail | 2021 |
| Galsang Industrial Co., Ltd | Manufacturing | 2016 |
| Gamtek Limited | Wholesale & retail | 2007 |
| Ganesh Construction Limited | Construction | 2026 |
| Gangway AI Ltd | Wholesale & retail | 2021 |
| Gani's Property Limited | Real estate | 2024 |
| Gaofal Services Ltd | Administrative & support | 2023 |
| Gardens & Trees Ltd | Professional & scientific | 2021 |
| Garland Interiors Limited | Administrative & support | 2020 |
| Garlands Patisserie Limited | Hospitality | 2013 |
| Garyjs Couriers Limited | Administrative & support | 2019 |
| GAS Life - Heating and Plumbing Services Ltd | Construction | 2023 |
| Gashi London Ltd | Construction | 2018 |
| Gastronomy World Ltd | Hospitality | 2022 |
| Gautam Property Investments Limited | Real estate | 2021 |
| GB Ownings Ltd | Wholesale & retail | 2020 |
| GB Toastie Ltd | Administrative & support | 2024 |
| GBC Training Ltd | Professional & scientific | 2019 |
| GC Magra Ltd | Health & social care | 2019 |
| Gcoders Ltd | Information & communication | 2006 |
| GCS Productions Ltd | Construction | 2025 |
| GDB Testing Consultants Limited | Professional & scientific | 2019 |
| GDP Property Investment Limited | Real estate | 2021 |
| Geds L.P. | | 2022 |
| Geetanjali Academy of Fine Arts Limited | Education | 2017 |
| GEM Properties London Ltd | Construction | 2020 |
| Gemba Consulting Ltd | Information & communication | 2023 |
| Gemma J Millinery Ltd | Manufacturing | 2012 |
| Gencay&Tugrul Ltd | Wholesale & retail | 2023 |
| Generative AI Design Marketplace Limited | Information & communication | 2026 |
| Genesis Statutory Services Ltd | Information & communication | 2020 |