| GK Properties and Investments Ltd | Real estate | 2025 |
| GK Property Holding Ltd | Real estate | 2021 |
| Gkaes Limited | Transport & logistics | 2011 |
| Gkays Care Company Ltd | Health & social care | 2017 |
| Gkglobal Solutions Limited | Administrative & support | 2024 |
| GKM Engineering Ltd | Manufacturing | 2019 |
| Gktl Solutions Limited | Information & communication | 2015 |
| GL Autoservices Limited | Wholesale & retail | 2011 |
| GL Events UK Limited | Construction | 1945 |
| GL Events Venues UK Limited | Professional & scientific | 2016 |
| GL Retail Solutions Ltd | Wholesale & retail | 2024 |
| Glad Staffing Services Ltd | Other services | 2019 |
| Gladstone Mews Management Company Limited | Households | 1991 |
| Gladwags (Derby) Limited | Professional & scientific | 2024 |
| Glam Beauty Distrubutor Ltd | Wholesale & retail | 2025 |
| Glam Beauty Limited | Other services | 2017 |
| Glam by RS Limited | Real estate | 2025 |
| Glam Multimedia Ministries C.I.C. | Other services | 2015 |
| Glamberry 2 Limited | Hospitality | 2025 |
| Glamberry Limited | Hospitality | 2020 |
| Glampers Derbyshire Ltd | Real estate | 2025 |
| Glan Llyn (Roads) Management Company Limited | Households | 2025 |
| Glandale Limited | Real estate | 1985 |
| Glass Legal Limited | Professional & scientific | 2019 |
| Glass LID Limited | Manufacturing | 2018 |
| Glass Republic Limited | Extraterritorial | 2016 |
| Glass Supper Limited | Hospitality | 2026 |
| Glaswell Properties Ltd | Real estate | 2024 |
| Glaw Newco 102 Limited | Construction | 2017 |
| GLB Consultancy Limited | Financial services | 2025 |
| Glbe Ltd | Real estate | 2026 |
| Gleaming Panes Limited | Administrative & support | 2003 |
| Glebe Acres Limited | Agriculture & fishing | 2003 |
| Glebe Construction (Midlands) Limited | Construction | 2010 |
| Glebe Gardens Allotment Association Limited | Extraterritorial | 2012 |
| Glempire Ltd | Manufacturing | 2020 |
| Glenfield Care Limited | Health & social care | 2014 |
| Glengarth Associates Ltd | Construction | 2020 |
| Glenkeen Livestock Ltd | Agriculture & fishing | 1978 |
| Glenrose Investment Limited | Financial services | 1990 |
| Glentworth Security Holdings Limited | Financial services | 2023 |
| Glentworth Security Limited | Administrative & support | 2014 |
| Glenvale Packaging Limited | Manufacturing | 1998 |
| GLG Development and Maintenance Limited | Construction | 2023 |
| Gline Designs Ltd | Professional & scientific | 2025 |
| Glitzy Jewels Ltd | Wholesale & retail | 2007 |
| Global Beds Ltd | Manufacturing | 2025 |
| Global Business Dimensions Limited | Extraterritorial | 2003 |
| Global Christian Support for Abused MEN and Women C.I.C. | Health & social care | 2015 |
| Global Ecommerce Trading RJO Ltd | Wholesale & retail | 2025 |
| Global ED Ltd | Education | 2024 |
| Global Engineering Business Systems Limited | Professional & scientific | 2025 |
| Global Finance Hub Ltd | Financial services | 2018 |
| Global Golf & Leisure Limited | Arts & recreation | 2018 |
| Global Integra Limited | Information & communication | 2026 |
| Global Investment & Management Ltd | Real estate | 2019 |
| Global Knanaya Times Ltd | Information & communication | 2025 |
| Global Legal Ventures Ltd | Wholesale & retail | 2025 |
| Global Links 1 Limited | Education | 2024 |
| Global Marketing Project Ltd | Information & communication | 2024 |
| Global Property Investment Group Ltd | Real estate | 2021 |
| Global Recruitment Tribe Ltd | Administrative & support | 2023 |
| Global Remarketing Ltd | Wholesale & retail | 2022 |
| Global Sports Podcast Network Ltd | Information & communication | 2023 |
| Global Support & Care Ltd | Administrative & support | 2020 |
| Global Talent Media Hub Ltd | Professional & scientific | 2023 |
| Global Visas Ltd | Professional & scientific | 2018 |
| Global Workplace Health Management Ltd | Health & social care | 2026 |
| Globalcont Ltd | Professional & scientific | 2014 |
| Globalstepsgroup Ltd | Manufacturing | 2019 |
| Globamart Ltd | Wholesale & retail | 2025 |
| Globe Master Europe Ltd | Manufacturing | 2013 |
| Globefield Limited | Real estate | 2022 |
| Globigo Ltd | Wholesale & retail | 2025 |
| Globisecurity Ltd | Administrative & support | 2022 |
| Glory to Glory Care Limited | Health & social care | 2014 |
| Glover Electrical Limited | Construction | 2002 |
| Glow Healthcare Ltd | Health & social care | 2017 |
| Glowdeals Ltd | Wholesale & retail | 2026 |
| Glowlamp Ltd | Wholesale & retail | 2025 |
| Glowsmith Ltd | Manufacturing | 2023 |
| Glusoft Limited | Information & communication | 2015 |
| Glyn's Fascias Limited | Construction | 2026 |
| GM Associates Ltd | Financial services | 2025 |
| GM Huber Ltd | Wholesale & retail | 2020 |
| GM Shields Ltd | Other services | 2011 |
| GMB Property Group Limited | Real estate | 2024 |
| GMB Shoplocal Ltd | Wholesale & retail | 2026 |
| GMB Superstore Ltd | Wholesale & retail | 2020 |
| GMD Control Panel Solution Ltd | Manufacturing | 2017 |
| GMG Ventures Ltd | Wholesale & retail | 2024 |
| GMJ Vision Property's Ltd | Hospitality | 2019 |
| GMJ Ventures Ltd | Information & communication | 2021 |
| GMK Business Consulting Limited | Professional & scientific | 2020 |
| Gmlo Properties Ltd | Real estate | 2018 |
| GMP Derby Limited | Wholesale & retail | 2025 |
| GMS Nexus Ltd | Transport & logistics | 2024 |
| Gmtrads Ltd | Wholesale & retail | 2025 |
| GN Electrical Contractors Ltd | Construction | 2014 |
| GNB Consultancy Ltd | Information & communication | 2016 |