| Guardian Global Imports & Exports Ltd | Other services | 2017 |
| Guardian Hearts Care Limited | Health & social care | 2025 |
| Guardian Integrated Solutions PVT. Ltd | Wholesale & retail | 2025 |
| Guccihomes Ltd | Construction | 2019 |
| Guddi Traders Ltd | Wholesale & retail | 2026 |
| Gudonis Ltd | Construction | 2025 |
| Guildhall Developments Limited | Construction | 2005 |
| Guildhall Hotel Ltd | Hospitality | 2021 |
| Guilsborough Hall Lawn Tennis Club Limited | Arts & recreation | 1967 |
| Guilsborough Medical Supplies Limited | Health & social care | 2006 |
| Guilsborough Multi Academy Trust | Education | 2011 |
| Gulabs Barbershop Ltd | Other services | 2025 |
| Gulaid House Inc Limited | Hospitality | 2019 |
| Gulf Carwash & Valeting Centre Ltd | Other services | 2010 |
| Gulliver's Tree Solutions (G.T.S) Ltd | Agriculture & fishing | 2017 |
| Gunes Auto Electric Ltd | Wholesale & retail | 2024 |
| Guney Design Limited | Manufacturing | 2011 |
| Guntek Limited | Construction | 1989 |
| Gurkha Grip Ltd | Wholesale & retail | 2025 |
| Gurpreet Saini Limited | Health & social care | 2020 |
| Gurpreetclothing Limited | Wholesale & retail | 2024 |
| Guru Technology Limited | Information & communication | 2019 |
| Gurupira-Butete Ltd | Health & social care | 2015 |
| Gustore Limited | Construction | 2012 |
| Guttering Protection Services Limited | Other services | 2013 |
| GUY Clinch Event Management Limited | Professional & scientific | 2006 |
| GUY Parry & Co Ltd | Real estate | 2011 |
| GUY Property Developments Limited | Construction | 2007 |
| Guy's Common Management Company Limited | Households | 2005 |
| GUZ Construction Ltd | Construction | 2018 |
| Guzunhouse Limited | Real estate | 2026 |
| Guzz Limited | Professional & scientific | 2014 |
| GVC Property Services Ltd | Construction | 2018 |
| GVM Build Limited | Construction | 2024 |
| GVM Coaching Ltd | Professional & scientific | 2023 |
| GVM Recruiting Ltd | Administrative & support | 2025 |
| GVM Trans Limited | Wholesale & retail | 2023 |
| GW Aesthetics Ltd | Other services | 2019 |
| Gwb&M Transport Ltd | Wholesale & retail | 2024 |
| GWD & EMD Family Investment Company | Financial services | 2018 |
| Gwjp Consulting Ltd | Professional & scientific | 2017 |
| GWS Carpentry and Plumbing Limited | Construction | 2023 |
| GWS Solicitors Limited | Professional & scientific | 2008 |
| GXO Logistics Drinkflow Holdings Limited | Professional & scientific | 2006 |
| GXO Logistics Drinkflow Limited | Extraterritorial | 2006 |
| GXO Logistics Drinks Limited | Transport & logistics | 2006 |
| GXO Logistics FH Limited | Professional & scientific | 2021 |
| GXO Logistics Finance UK Limited | Administrative & support | 2025 |
| GXO Logistics FST Limited | Transport & logistics | 2019 |
| GXO Logistics HC Limited | Professional & scientific | 1992 |
| GXO Logistics Holdings Limited | Professional & scientific | 2020 |
| GXO Logistics Holdings UK Unlimited | Administrative & support | 2019 |
| GXO Logistics Pension Trustee Limited | Financial services | 2015 |
| GXO Logistics Services UK Limited | Extraterritorial | 1999 |
| GXO Logistics Trustees Limited | Financial services | 2019 |
| GXO Logistics UK II Limited | Professional & scientific | 1995 |
| GXO Servicetech UK II Limited | Extraterritorial | 1999 |
| GXO Servicetech UK Limited | Wholesale & retail | 1995 |
| Gym Supplements Online Ltd | Wholesale & retail | 2013 |
| Gymeals Ltd | Hospitality | 2025 |
| Gymnastricks Ltd | Education | 2025 |
| GYO 49 Ltd | Hospitality | 2024 |
| Gyon Builders Ltd | Construction | 2025 |
| Gyorgy Trans Ltd | Transport & logistics | 2017 |
| Gyosei Management Company Limited | Households | 2009 |
| Gysg Limited | Administrative & support | 2020 |
| Gyula Bonyai Ltd | Transport & logistics | 2015 |
| H & a Developments Ltd | Real estate | 2018 |
| H & E Fabrications Limited | Manufacturing | 2014 |
| H & H Electrical (Services) Limited | Construction | 2011 |
| H & H Electrical Maintenance Ltd | Construction | 2020 |
| H & H Innovations Limited | Real estate | 2021 |
| H & H Technology Ltd | Information & communication | 2003 |
| H & I Beauty Therapy Ltd | Other services | 2017 |
| H & W Investments Ltd | Financial services | 2026 |
| H & W PUB Management Ltd | Hospitality | 2026 |
| H a Building Services Ltd | Construction | 2025 |
| H a Food Co Ltd | Hospitality | 2025 |
| H and N Landscaping for YOU Ltd | Administrative & support | 2017 |
| H I L Trading Limited | Wholesale & retail | 2018 |
| H Joyce Limited | Construction | 2020 |
| H P Security Trustee Limited | Professional & scientific | 2006 |
| H V Parmar Limited | Health & social care | 2014 |
| H W J Pargiter Butchers Limited | Manufacturing | 2013 |
| H Wildman Developments Ltd | Real estate | 2023 |
| H&A Clothing Ltd | Wholesale & retail | 2025 |
| H&A Restuarant Ltd | Hospitality | 2023 |
| H&C Construction Group Holdings Limited | Financial services | 2023 |
| H&C Construction Group Limited | Financial services | 2017 |
| H&D Food Market Ltd | Wholesale & retail | 2024 |
| H&D Investment Ltd | Other services | 2021 |
| H&Dit Consulting Limited | Information & communication | 2017 |
| H&F Poups Ltd | Financial services | 2020 |
| H&J Construction Services Limited | Construction | 2015 |
| H&J Properties Management Ltd | Real estate | 2024 |
| H&M Tailoring Ltd. | Wholesale & retail | 2013 |
| H&N Accountancy Services Ltd | Professional & scientific | 2023 |
| H&N Construction & Property Limited | Construction | 2020 |
| H&R Barberz Ltd | Other services | 2024 |
| H&S Civil Engineering Ltd | Construction | 2022 |