| GS Trading SL Ltd | Wholesale & retail | 2025 |
| GSB Building Limited | Construction | 2009 |
| GSI Mechanical Engineering Ltd | Construction | 2024 |
| Gsks Investments Limited | Real estate | 2017 |
| Gsnk Real Estate Limited | Real estate | 2020 |
| GSP Technical Solutions Limited | Real estate | 2016 |
| GT Customs Limited | Wholesale & retail | 2007 |
| GT Kitchen Ltd | Hospitality | 2023 |
| GT Property Investments Ltd | Real estate | 2010 |
| GT Worx Ltd | Wholesale & retail | 2021 |
| Gtec Motors Limited | Wholesale & retail | 2025 |
| Gtita Constructions Ltd | Construction | 2022 |
| GTL Technology Ltd | Information & communication | 2026 |
| GTS Rental Wembley Ltd | Administrative & support | 2025 |
| Guardian Window Group Limited | Manufacturing | 2026 |
| GUD Tech Limited | Information & communication | 2023 |
| Guddu Collections Limited | Wholesale & retail | 2025 |
| Gudka Limited | Professional & scientific | 1975 |
| Guerra CH Ltd | Health & social care | 2024 |
| Guest Coffee Ltd | Hospitality | 2024 |
| Guidolin Ltd | Information & communication | 2018 |
| Gujarati Brothers Ltd | Wholesale & retail | 2023 |
| Gujju Dhaba Express Limited | Hospitality | 2023 |
| Gujju Paaji Ltd | Wholesale & retail | 2023 |
| Gulf Cars & Travel Ltd | Administrative & support | 2012 |
| Gulfberg Alliance (UK) Ltd | Professional & scientific | 2021 |
| Gully Wrapz Ltd | Hospitality | 2020 |
| Gumba Limited | Hospitality | 2026 |
| Gurau Group Limited | Construction | 2021 |
| Gurkha and More Limited | Information & communication | 2017 |
| Gurkha Brothers UK Ltd | Construction | 2018 |
| Gurzun Green Ltd | Construction | 2025 |
| Gush Products Ltd | Wholesale & retail | 2010 |
| Gustave's Decorative Touch Ltd | Construction | 2019 |
| GUY Cornelius Vidal Ltd | Wholesale & retail | 2015 |
| Guycan Limited | Information & communication | 2014 |
| GVR Construct Ltd | Construction | 2025 |
| GW Designer Ltd | Information & communication | 2009 |
| GW Wiring Products Limited | Wholesale & retail | 2001 |
| Gyllis Ltd | Wholesale & retail | 2025 |
| Gymduoo Ltd | Information & communication | 2026 |
| Gyros Pitas Ltd | Hospitality | 2025 |
| GYY Ltd | Construction | 2011 |
| H & B Estates Ltd | Real estate | 2025 |
| H & F Trading and Services Ltd | Wholesale & retail | 2025 |
| H & H Fitness UK Ltd | Arts & recreation | 2022 |
| H & K Cooling and Heating Services Ltd | Manufacturing | 2018 |
| H & P Capital Investments Limited | Real estate | 2026 |
| H & P Solutions Ltd | Real estate | 2019 |
| H & R Talent Limited | Administrative & support | 2012 |
| H & S Gifts Limited | Wholesale & retail | 2016 |
| H D ALL Day Long Limited | Administrative & support | 2016 |
| H Krupa Wholesale Limited | Wholesale & retail | 2023 |
| H Macqueen Ltd | Professional & scientific | 2021 |
| H P D Solutions Ltd | Construction | 2023 |
| H Shah Enterprise Ltd | Real estate | 2026 |
| H V Enterprise of UK Ltd | Wholesale & retail | 2025 |
| H&D Enterprise Ltd | Construction | 2022 |
| H&Jm Property Services Limited | Real estate | 2018 |
| H&S Centre Limited | Wholesale & retail | 2014 |
| H&T Holding Group Ltd | Real estate | 2024 |
| H&Y Flexible Partitioning Ltd | Construction | 2014 |
| H.L. Property Maintenance Limited | Construction | 2017 |
| H.L.Property Investors Alliance Ltd | Construction | 2016 |
| H.M.R & Sons Ltd | Water & waste | 2020 |
| H.N. Automations Ltd | Information & communication | 2026 |
| H10 Motors Ltd | Wholesale & retail | 2020 |
| Habibitat Limited | Real estate | 2025 |
| Hachiko Ltd | Real estate | 2020 |
| Hadi's Group Ltd | Construction | 2015 |
| Hadissupplies Ltd | Wholesale & retail | 2024 |
| Haemogene Ltd | Health & social care | 2024 |
| Hafide Sports Coaching Limited | Arts & recreation | 2010 |
| Hafren Investments Ltd | Financial services | 1987 |
| Hair Assured Ltd | Other services | 2024 |
| HAK Properties London Limited | Real estate | 2019 |
| Hakh Ltd | Transport & logistics | 2018 |
| Haki Legal Ltd | Administrative & support | 2024 |
| HAL & M Properties Ltd | Real estate | 2022 |
| Hala Wala Limited | Administrative & support | 2021 |
| Halal Meat Centre Limited | Hospitality | 2013 |
| Halal Meat Market Limited | Wholesale & retail | 2025 |
| Halcyon Point Limited | Real estate | 2019 |
| Halianic Academy Ltd | Information & communication | 2025 |
| Hallmark 50 SPV Limited | Real estate | 2026 |
| Hallmark Marketing Limited | Wholesale & retail | 2000 |
| Hallmark Prime Supplies Limited | Wholesale & retail | 2024 |
| Hallmark Primecare Limited | Health & social care | 2024 |
| Halo Eagle Holding Company Limited | Wholesale & retail | 2024 |
| Halouli Exports Ltd | Wholesale & retail | 2024 |
| Haloviva Ltd | Wholesale & retail | 2022 |
| Halvestor Limited | Financial services | 2024 |
| Haly Hills Limited | Real estate | 2022 |
| Hamahau Ltd | Hospitality | 2024 |
| Hamandi Auto Ltd | Wholesale & retail | 2021 |
| Hamed Al-Muhajir Services Ltd | Construction | 2026 |
| Hamilton Capital Investments Ltd | Real estate | 2016 |
| Hamoody Shawarma Ltd | Hospitality | 2026 |
| Hampour Ltd | Wholesale & retail | 2025 |
| Hampshire Property Group Ltd | Real estate | 2024 |