| GLC Accountancy Limited | Professional & scientific | 2025 |
| GLC Heating Ltd | Manufacturing | 2018 |
| GLD Systems Ltd | Wholesale & retail | 2020 |
| Gleam Team Essex Limited | Households | 2013 |
| Glenn Insulation Supplies Limited | Construction | 1991 |
| Glentern Limited | Wholesale & retail | 2025 |
| Glenview Flats Syndicate Limited | Households | 1999 |
| Glezzia Ltd | Wholesale & retail | 2025 |
| Glice Labs Limited | Information & communication | 2024 |
| Glitz Cleaning Services Ltd | Administrative & support | 2024 |
| Glitz&Glam Party Decor Ltd | Hospitality | 2022 |
| GLO 'N' Go Ltd | Other services | 2023 |
| Global Administration Services Limited | Administrative & support | 2013 |
| Global AIM Services Ltd | Administrative & support | 2023 |
| Global Auto Parts Ltd | Wholesale & retail | 2022 |
| Global Bartending Ltd | Hospitality | 2018 |
| Global Business & Services Ltd | Wholesale & retail | 2016 |
| Global Cleaning Solutions Ltd | Administrative & support | 2025 |
| Global Cloud Services Limited | Information & communication | 2018 |
| Global Decor Design Limited | Professional & scientific | 2026 |
| Global Digital Consulting Ltd | Information & communication | 2021 |
| Global E-Shop Solutions Ltd | Wholesale & retail | 2025 |
| Global Excel Ltd | Information & communication | 2022 |
| Global Fusion Ltd | Information & communication | 2007 |
| Global Glint Ltd | Wholesale & retail | 2026 |
| Global Growth Partners (Global) Limited | Professional & scientific | 2025 |
| Global Hand of Hope International | Other services | 2015 |
| Global Home Invest Ltd | Real estate | 2025 |
| Global House of Professionals Limited | Professional & scientific | 2020 |
| Global HR Data Ltd | Administrative & support | 2024 |
| Global Human Welfare Ltd | Health & social care | 2018 |
| Global LUX Ltd | Wholesale & retail | 2020 |
| Global One Consultants UK Limited | Professional & scientific | 2014 |
| Global Pathways Education Ltd | Professional & scientific | 2025 |
| Global Reach Business Solutions Ltd | Professional & scientific | 2018 |
| Global Retail Ltd | Wholesale & retail | 2025 |
| Global Scientific Technical Recruitment Ltd | Administrative & support | 2021 |
| Global Security & FM Ltd | Administrative & support | 2022 |
| Global Stay Group Limited | Hospitality | 2015 |
| Global Tax & Accountancy Limited | Professional & scientific | 2012 |
| Global Tax Grounds Limited | Administrative & support | 2019 |
| Global Tax Services Limited | Professional & scientific | 2008 |
| Global Team Solutions Limited | Real estate | 2020 |
| Global Trade & Services Limited | Information & communication | 2013 |
| Global Travel & Tours Limited | Administrative & support | 2024 |
| Global Utilities Marketing Ltd | Energy | 2023 |
| Global Vega Investments Ltd | Real estate | 2025 |
| Global Water Tanks Solution Ltd | Construction | 2020 |
| Global Xports Ltd | Wholesale & retail | 2025 |
| GLOBALCONNECTIONS1 Ltd | Wholesale & retail | 2025 |
| Globalfinds Ltd | Wholesale & retail | 2025 |
| Globalinks Consultancy Limited | Professional & scientific | 2008 |
| Globalseal Limited | Construction | 2009 |
| Globan & Toyn Ltd | Health & social care | 2019 |
| Globe Tooling & Leisure Products Limited | Manufacturing | 2013 |
| Globeclad UK Limited | Construction | 2017 |
| Globelink Fallow Limited | Transport & logistics | 1989 |
| Gloria Patri Ltd | Education | 2025 |
| Glorious GOD Limited | Health & social care | 2018 |
| Glorious Ministries INT | Other services | 2009 |
| Glorise International Ltd | Wholesale & retail | 2021 |
| Gloss Decorations Ltd | Construction | 2017 |
| Gloster Rail Limited | Construction | 2023 |
| Glotee Legal Limited | Professional & scientific | 2011 |
| Glover Management and Organisation Consultants Limited | Professional & scientific | 2000 |
| Glovic Ltd | Health & social care | 2019 |
| Glow Candy Co Ltd | Wholesale & retail | 2026 |
| Glowing Constellation Tech Ltd | Information & communication | 2025 |
| Glozier Electrical Limited | Construction | 2017 |
| GLR Enterprises Ltd | Wholesale & retail | 2026 |
| Glyntree Ltd | Construction | 2014 |
| GM Furniture Ltd | Manufacturing | 2022 |
| GM Gardens Ltd | Construction | 2021 |
| GM Health Consulting Ltd | Professional & scientific | 2021 |
| GM Painting & Decorating Ltd | Construction | 2021 |
| GM Secure Ltd | Administrative & support | 2024 |
| Gman Services Ltd | Extraterritorial | 2021 |
| GMF IT Consultancy Ltd | Administrative & support | 2016 |
| GMG Freelance Limited | Professional & scientific | 2015 |
| Gmgms Homes Ltd | Real estate | 2020 |
| Gmgsm Health Care Limited | Health & social care | 2012 |
| GML (NT) Limited | Manufacturing | 1999 |
| Gmoc Limited | Professional & scientific | 2000 |
| GMP Imports Ltd | Wholesale & retail | 2019 |
| GMQ Partners Limited | Professional & scientific | 2014 |
| GMS7 Limited | Construction | 2025 |
| Gmsa Global Ltd | Wholesale & retail | 2024 |
| GN Build Ltd | Construction | 2018 |
| GN Civil Engineering Ltd | Construction | 2020 |
| GNA72 Ltd | Other services | 2012 |
| Gnanam & Sons Ltd | Wholesale & retail | 2024 |
| GNC Builders Ltd | Construction | 2011 |
| Gneo Ltd | Professional & scientific | 2024 |
| GNM Design & Build Limited | Construction | 2022 |
| Gnovatech Limited | Information & communication | 2019 |
| GNR2019 Construction Ltd | Construction | 2019 |
| Gnsn Consulting Limited | Financial services | 2025 |
| GNV Joinery Ltd | Manufacturing | 2020 |
| Go Carpentry Ltd | Construction | 2021 |
| Go Fire Solutions Ltd | Construction | 2026 |