| Fun-Key Dance Factory Limited | Arts & recreation | 2019 |
| Fung Corporate Services Group (UK) Limited | Professional & scientific | 2010 |
| Funlights Ltd | Wholesale & retail | 2025 |
| Funmitan Empire Limited | Wholesale & retail | 2025 |
| Furness Poulton Estate Limited | Other services | 2019 |
| Furness Poulton Estate NO.2 Limited | Other services | 2019 |
| Furnishing Touch Limited | Wholesale & retail | 2017 |
| Further Works Ltd | Information & communication | 2024 |
| Furvella Ltd | Wholesale & retail | 2026 |
| Fusion Fitness (Salford Group PT) Ltd | Education | 2024 |
| Fusion III Limited | Construction | 2024 |
| Future Build Consultancy Limited | Professional & scientific | 2016 |
| Future Education Holding Ltd | Financial services | 2020 |
| Future Fit Solutions Ltd | Professional & scientific | 2024 |
| Future Habitat Holdings LLP | | 2017 |
| Future Logistics Worldwide Ltd | Transport & logistics | 2022 |
| Future Tech Productions Ltd | Information & communication | 2023 |
| Future:You PR Limited | Professional & scientific | 2016 |
| Futurity Properties Limited | Real estate | 2022 |
| Fuzian Ltd | Hospitality | 2025 |
| Fuzzy Duck Creative Group Limited | Information & communication | 2011 |
| Fuzzy Duck Creative Limited | Information & communication | 1998 |
| FX Notes Ltd | Information & communication | 2025 |
| FX7 Trading Ltd | Financial services | 2025 |
| Fyer Ltd | Professional & scientific | 2025 |
| FYI Technologies Ltd | Health & social care | 2026 |
| FYK Estates Ltd | Real estate | 2026 |
| Fynr Management Ltd | Construction | 2023 |
| FZL Ltd | Administrative & support | 2019 |
| G & a Taylor Ltd | Households | 2020 |
| G & N Autoco Limited | Wholesale & retail | 2002 |
| G & W Property Holdings Ltd | Construction | 2025 |
| G Ackerley Limited | Construction | 2016 |
| G E Robinson & Co Ltd | Manufacturing | 1994 |
| G G Woods Limited | Administrative & support | 2009 |
| G L Plant Hire Ltd | Construction | 2009 |
| G&C Legal Limited | Professional & scientific | 2025 |
| G&S Mortgages Limited | Hospitality | 2018 |
| G.K African Prime Market Ltd | Wholesale & retail | 2026 |
| G.P.S. Holdings Limited | Professional & scientific | 1986 |
| G1 Estate Management Limited | Real estate | 2020 |
| G1 Global Ltd | Real estate | 2020 |
| G1 Rochdale Ltd | Real estate | 2022 |
| G6 Motion Control Limited | Information & communication | 2018 |
| G7 Consultants Ltd | Information & communication | 2023 |
| Gaari Limited | Wholesale & retail | 2026 |
| Gabriel Homes Ltd | Real estate | 2026 |
| Gabriela Cely Ltd | Administrative & support | 2022 |
| Gade Ltd | Health & social care | 2020 |
| Gadens Home Limited | Real estate | 2024 |
| Gadens Limited | Health & social care | 2016 |
| Gadgetsville Concepts Ltd | Wholesale & retail | 2018 |
| Gaffs & Pads Ltd | Construction | 2017 |
| Gain Function Ltd | Professional & scientific | 2025 |
| Galaxy Consulting Services Limited | Hospitality | 2025 |
| Galaxy Ryton Estates Limited | Other services | 2019 |
| Galaxy Ryton Estates NO.2 Limited | Other services | 2019 |
| Galbraith Labs Ltd | Arts & recreation | 2022 |
| Galco Media Ltd | Information & communication | 2026 |
| Galena ERP Ltd | Information & communication | 2025 |
| Gallowglass Training Limited | Education | 2011 |
| Galvac Limited | Construction | 2018 |
| Game Avenue Ltd | Wholesale & retail | 2026 |
| Gamepod Ltd | Information & communication | 2018 |
| Gamma Properties Limited | Real estate | 2021 |
| Gamville Ltd | Extraterritorial | 2008 |
| GAN (UK) Limited | Arts & recreation | 1999 |
| GAN Services Limited | Information & communication | 2016 |
| Gantholme Co. Limited | Real estate | 1965 |
| Gaolgate Street Estate Company Limited | Other services | 2020 |
| Gaolgate Street Holding Company Limited | Other services | 2020 |
| GAP Luxury Hair Ltd | Other services | 2025 |
| Gapworks Limited | Professional & scientific | 2025 |
| Garage Conversion Gurus Ltd | Construction | 2023 |
| Garden ECP Holdco Ltd | Financial services | 2025 |
| Garden ECP Topco Ltd | Financial services | 2025 |
| Garden Enterprises Limited | Real estate | 2018 |
| Garman Group Limited | Information & communication | 2025 |
| Garman IT Limited | Information & communication | 2025 |
| Garnest Ltd | Extraterritorial | 2014 |
| Garrison Construction Ltd | Construction | 2023 |
| Garvis Trading Limited | Wholesale & retail | 2025 |
| Gary's Glue UK Ltd | Wholesale & retail | 2024 |
| GAS & Heat Solutions Ltd | Construction | 2024 |
| GAS Media Group Limited | Information & communication | 2015 |
| GAS Music Limited | Information & communication | 2015 |
| GAS Xpress Ltd | Construction | 2026 |
| Gasless Ltd | Construction | 2025 |
| Gastronauts Ltd | Health & social care | 2021 |
| Gate for the Sheep Ministry CIC | Health & social care | 2021 |
| Gateclay Properties Limited | Real estate | 1979 |
| Gateclay Property Development Ltd. | Real estate | 2001 |
| Gatehouse AI Ltd | Information & communication | 2025 |
| Gateshead JI Estates NO. 1 Ltd | Other services | 2018 |
| Gateshead JI Estates NO. 2 Ltd | Other services | 2018 |
| Gateway Maintenance Ltd | Construction | 2026 |
| Gauzville Ltd | Extraterritorial | 2008 |
| Gazebo Hair Salon Limited | Other services | 2020 |
| Gaziville Ltd | Extraterritorial | 2008 |
| GB Business Management LLP | | 2011 |