| Glamorous Viet Nails and Beauty Limited | Other services | 2024 |
| Glamour and Style by Mada Ltd | Other services | 2025 |
| Glamour Clothes Limited | Wholesale & retail | 2025 |
| Glamour Logistics Ltd | Transport & logistics | 2018 |
| Glamour Makeup Academy Ltd | Other services | 2019 |
| Glamour Mgmt Ltd | Administrative & support | 2025 |
| Glamour Sale Limited | Wholesale & retail | 2025 |
| Glamour Studio MCR Ltd | Other services | 2025 |
| Glamour Trends Limited | Wholesale & retail | 2023 |
| Glamouronm Ltd | Wholesale & retail | 2025 |
| Glamptex Ltd | Wholesale & retail | 2015 |
| Glamwithmoh Ltd | Other services | 2025 |
| Glamz Limited | Wholesale & retail | 2017 |
| Glancy & Co. Hair Limited | Other services | 2026 |
| Glancy Fawcett Architectural Limited | Wholesale & retail | 2017 |
| Glancy Fawcett Holdings Limited | Financial services | 2021 |
| Glancy Fawcett Limited | Wholesale & retail | 2003 |
| Glansuk Limited | Professional & scientific | 2013 |
| Glanxe Ltd | Wholesale & retail | 2023 |
| Glas Developments Ltd | Administrative & support | 2023 |
| Glasform Limited | Manufacturing | 1981 |
| Glasgow & Powers Ltd | Professional & scientific | 2025 |
| Glasgow CCL Ltd | Construction | 2023 |
| Glasgow Estates Ltd | Extraterritorial | 2016 |
| Glasgow Gordon GP LLP | | 2021 |
| Glasgow Gordon LP | | 2021 |
| Glasgow Gordon Nominees Limited | Extraterritorial | 2021 |
| Glasgow Harbour Outlet Limited | Professional & scientific | 2015 |
| Glasgow Mitchell LP | | 2022 |
| Glasgow Mitchell Nominees Limited | Real estate | 2022 |
| Glash Ltd | Information & communication | 2026 |
| Glass and Beyond Ltd | Manufacturing | 2022 |
| Glass Art & Decor Ltd | Other services | 2024 |
| Glass Atlas Limited | Information & communication | 2008 |
| Glass Atlas X Limited | Professional & scientific | 2018 |
| Glass Avery Limited | Water & waste | 2017 |
| Glass Company Direct Limited | Wholesale & retail | 2018 |
| Glass Elephant CIC | Education | 2025 |
| Glass Hair Ltd | Other services | 2026 |
| Glass House Estates Limited | Real estate | 2015 |
| Glass Secure Ltd | Wholesale & retail | 2022 |
| Glass&Go Limited | Wholesale & retail | 2025 |
| Glassatis Ltd | Transport & logistics | 2019 |
| Glasscourt Padel Limited | Arts & recreation | 2025 |
| Glasscrown Limited | Wholesale & retail | 1957 |
| Glassee Glass & Glazing Limited | Construction | 2020 |
| Glasshouse 1 Limited | Real estate | 2025 |
| Glasshouse Training and Consultancy Ltd | Administrative & support | 2024 |
| Glassworks Didsbury Management Company Limited | Households | 2022 |
| Glasyn Limited | Wholesale & retail | 2026 |
| Glatt Ltd | Professional & scientific | 2026 |
| Glavin Projects Ltd | Information & communication | 2026 |
| Glavix Group Ltd | Wholesale & retail | 2025 |
| Glaze Home Improvements Ltd | Construction | 2025 |
| Glazebrook Meadows (Warrington) Management Company Limited | Households | 2016 |
| Glazebrook Property Services Limited | Construction | 2001 |
| Glazedmcr Ltd | Hospitality | 2020 |
| Glazing Innovations North West Ltd | Construction | 2020 |
| Glazing Squad Limited | Construction | 2025 |
| GLB Securities Limited | Administrative & support | 2007 |
| Glbc Limited | Real estate | 2013 |
| GLC & SBD Ltd | Real estate | 2014 |
| GLD Technical Consulting Limited | Construction | 2014 |
| Gldh Group Ltd | Administrative & support | 2023 |
| GLE (MCR) Ltd | Other services | 2017 |
| Gleam Property Company Ltd | Real estate | 2022 |
| Gleam Team FM Ltd | Administrative & support | 2025 |
| Gleamdreams Ltd | Wholesale & retail | 2025 |
| GLEAMINGMARVELLOUS786 Limited | Wholesale & retail | 2019 |
| Gleaner Lighting Ltd | Wholesale & retail | 2025 |
| Glebe Road Garage Limited | Wholesale & retail | 2020 |
| Glebelands Organic Produce Ltd | Agriculture & fishing | 2020 |
| Gledhill Advisory Services Limited | Professional & scientific | 2025 |
| Glee Estates Limited | Real estate | 2020 |
| Glee Gifts Ltd | Wholesale & retail | 2026 |
| Gleeboxu Ltd | Wholesale & retail | 2025 |
| Gleeful GUT Ltd | Manufacturing | 2020 |
| Glen Cutwerk Studio Ltd | Manufacturing | 2025 |
| Glen Home Investments LLP | | 2024 |
| Glen Housing LLP | | 2023 |
| Glen Property Partnership LLP | | 2024 |
| Glen Thomas Architecture Ltd | Professional & scientific | 2015 |
| Glenarm Limited | Real estate | 2003 |
| Glenbridge Investments Ltd | Real estate | 1998 |
| Glenbrook AC Limited | Construction | 2021 |
| Glenbrook Assets Limited | Construction | 2014 |
| Glenbrook BB Limited | Construction | 2021 |
| Glenbrook BC Limited | Real estate | 2019 |
| Glenbrook BD Limited | Construction | 2019 |
| Glenbrook BF Limited | Construction | 2026 |
| Glenbrook CAPCO1 Limited | Real estate | 2026 |
| Glenbrook Capital Limited | Real estate | 2019 |
| Glenbrook CB Limited | Construction | 2017 |
| Glenbrook CP Limited | Construction | 2021 |
| Glenbrook CR Limited | Construction | 2024 |
| Glenbrook DM Limited | Construction | 2018 |
| Glenbrook GC Limited | Construction | 2020 |
| Glenbrook GI Limited | Real estate | 2019 |
| Glenbrook Group Limited | Financial services | 2020 |
| Glenbrook HI Limited | Construction | 2023 |