| GJF Production Services Limited | Information & communication | 2014 |
| GJG Bars Limited | Hospitality | 2018 |
| Gjlm Ltd | Real estate | 2016 |
| GJM Accounting Services Limited | Professional & scientific | 2008 |
| GJM Plumbing and Heating Limited | Construction | 2022 |
| GJS Properties West Yorkshire Limited | Real estate | 2000 |
| GK Events Ltd | Other services | 2017 |
| GK London Apparel Limited | Wholesale & retail | 2026 |
| GK Management (National) Ltd | Construction | 2025 |
| GK VFX Ltd | Information & communication | 2022 |
| GKF Developments Limited | Extraterritorial | 2025 |
| GKF Estates Limited | Financial services | 2025 |
| GKF Group Holdings Limited | Financial services | 2023 |
| GKF Group Limited | Professional & scientific | 1991 |
| GKF Industrial Holdings Limited | Real estate | 2025 |
| GKF Industrial Limited | Real estate | 2025 |
| GKF Leeds Limited | Financial services | 2023 |
| GKG Estates Ltd | Administrative & support | 2024 |
| GKH Ventures Limited | Financial services | 2024 |
| Gkms Bakery Treats Ltd | Hospitality | 2022 |
| GKO Investments Ltd | Real estate | 2018 |
| GKO Tech Ltd | Information & communication | 2023 |
| GKS North Ltd | Information & communication | 2024 |
| Gktc Investments Limited | Financial services | 2022 |
| Gktc Limited | Administrative & support | 2020 |
| GL Trans Limited | Manufacturing | 2022 |
| Glackvin Limited | Financial services | 2019 |
| Glad Investments Ltd | Real estate | 2019 |
| Glade Ventures Ltd | Real estate | 2026 |
| Glam Gallery Limited | Professional & scientific | 2024 |
| Glamazon Supply Ltd | Wholesale & retail | 2024 |
| Glambyteepha Limited | Other services | 2025 |
| Glamfully Ltd | Other services | 2025 |
| Glamour China Ltd | Wholesale & retail | 2024 |
| Glamour Rocks Limited | Extraterritorial | 2013 |
| Glamping and Party Tent Rentals Ltd | Administrative & support | 2026 |
| Glamwags Ltd | Wholesale & retail | 2021 |
| Glamz Developers Ltd | Construction | 2023 |
| Glance International Limited | Wholesale & retail | 2024 |
| Glare Properties Investment Limited | Real estate | 2024 |
| Glas Design Ltd | Wholesale & retail | 2015 |
| Glasgow Airport Business Park Management Company Limited | Real estate | 1997 |
| Glasgow Chinatown Investments Limited | Real estate | 1990 |
| Glasgow Native Ventures Limited | Other services | 2022 |
| Glass and Green Ltd | Professional & scientific | 2022 |
| Glass Group Limited | Professional & scientific | 2025 |
| Glass Room by Diamonds Limited | Manufacturing | 2018 |
| Glasses Ltd | Wholesale & retail | 2024 |
| Glassflake Manufacturing Limited | Extraterritorial | 2008 |
| Glassflake Technologies Limited | Extraterritorial | 2008 |
| Glasshaus Displays Limited | Arts & recreation | 2013 |
| Glasshaus Group Limited | Arts & recreation | 2022 |
| Glasshaus Holdings Limited | Financial services | 2026 |
| Glasshoughton Farms Limited | Real estate | 2014 |
| Glasshoughton Properties Limited | Real estate | 2014 |
| Glasshouse Car Sales (Anwick) Limited | Wholesale & retail | 2012 |
| Glasshus Facades Limited | Construction | 2019 |
| Glasswing Advisory Limited | Professional & scientific | 2026 |
| Glazed Window Cleaning Services Ltd | Administrative & support | 2025 |
| GLB Plumbing Services Ltd | Construction | 2026 |
| GLC Comp Limited | Professional & scientific | 2025 |
| Gleam Crew Ltd | Construction | 2025 |
| Gleaming Clean Limited | Administrative & support | 2025 |
| Gleaming Risk Services Ltd | Financial services | 2019 |
| Glebe Projects Ltd | Administrative & support | 2022 |
| Glebe Yorkshire Limited | Hospitality | 2010 |
| Gledhow 1953 Limited | Extraterritorial | 2013 |
| Gledhow Consulting Limited | Professional & scientific | 2024 |
| Gledhow Court Management Limited | Households | 1978 |
| Gledhow Park Avenue 1963 Limited | Extraterritorial | 2014 |
| Gledhow Wood Court Management Company Limited | Real estate | 2003 |
| Glee Enterprises Limited | Information & communication | 2020 |
| Glee Properties Ltd | Real estate | 2023 |
| Gleem Services Ltd | Wholesale & retail | 2019 |
| Glen Harris Limited | Transport & logistics | 1975 |
| Glen Minikin Photography Ltd | Other services | 2019 |
| Glen View Kirkgate Shipley Management Company Limited | Households | 2000 |
| Glenaire Limited | Health & social care | 2020 |
| Glencairn Property Group Ltd | Real estate | 2026 |
| Glendale Drive 1968 Limited | Extraterritorial | 2013 |
| Glendale Holiday Lodge Ltd | Hospitality | 2022 |
| Glendower Park (Leeds) Limited | Real estate | 1979 |
| Gleneagles Developments Limited | Construction | 2026 |
| Glenevin Ltd | Construction | 2013 |
| Glenewes LEA Holdings Limited | Real estate | 2025 |
| Glenewes LEA Limited | Real estate | 2025 |
| Glenfort Holdings Limited | Extraterritorial | 2006 |
| Glenree Associates Limited | Information & communication | 2023 |
| Glent Finance Limited | Financial services | 2013 |
| Glent Investments Limited | Real estate | 2020 |
| Glent Oakwood Limited | Real estate | 2014 |
| Glent Properties Limited | Real estate | 2013 |
| Glent Rentals Limited | Real estate | 2019 |
| Glentress Limited | Professional & scientific | 2014 |
| Glenwest Consulting Ltd | Professional & scientific | 2025 |
| Glenwood Properties Limited | Real estate | 2022 |
| Glenyce Care Ltd | Health & social care | 2015 |
| Gletywin Health Care Private Limited | Health & social care | 2023 |
| Glexin Blue Limited | Construction | 2025 |
| Glexin Construction Limited | Construction | 2025 |