| Gilligan & Co Limited | Professional & scientific | 2010 |
| Gilmore Fabrication Holdings Ltd | Financial services | 2023 |
| GIN Alley Events Ltd. | Administrative & support | 2019 |
| GIN Alley Limited | Administrative & support | 2023 |
| GIN Lane Group Ltd | Hospitality | 2018 |
| Ginchiyo Limited | Administrative & support | 2022 |
| Ginge Ventures Ltd | Construction | 2016 |
| Ginger Biscuit Games Ltd | Information & communication | 2013 |
| Ginger Consulting Limited | Professional & scientific | 2011 |
| Ginkgo Properties Limited | Real estate | 2016 |
| Ginkgo Solutions Limited | Information & communication | 2008 |
| Ginroll Media Ltd | Professional & scientific | 2024 |
| Giraffe Cleaning Company Limited | Administrative & support | 2017 |
| Giraffe Cleaning Equipment Limited | Administrative & support | 2026 |
| Giribasi Limited | Hospitality | 2024 |
| Give a Dog a Jones Limited | Other services | 2014 |
| Give Consulting Limited | Professional & scientific | 2016 |
| Giwu Limited | Administrative & support | 2015 |
| Gizmotech Solutions Limited | Information & communication | 2014 |
| GJD Engineering Services Ltd | Professional & scientific | 2020 |
| GJD Support Ltd | Administrative & support | 2023 |
| GJK Electrical Ltd | Construction | 2025 |
| GJK Product Consultants Ltd | Administrative & support | 2024 |
| GJL Engineering Ltd | Construction | 2022 |
| GJM Marketing Limited | Administrative & support | 2015 |
| GJP Construction & Utilities Limited | Administrative & support | 2014 |
| Gjpep Solutions Limited | Administrative & support | 2025 |
| GJS Professional Engineering Delivery Limited | Administrative & support | 2025 |
| GK Electrical Solutions Ltd | Administrative & support | 2026 |
| GK Engineering Solutions Ltd | Professional & scientific | 2026 |
| GK Land Investments Ltd | Construction | 2022 |
| GK Resolution Ltd | Professional & scientific | 2025 |
| GKM Property Ltd | Real estate | 2024 |
| GL UK Properties Limited | Real estate | 2022 |
| Gladston Medical Services Limited | Health & social care | 2019 |
| Gladstone Grange (Residents) Management Company Limited | Households | 2026 |
| Gladstones Holdings Limited | Professional & scientific | 2019 |
| Gladstones Solicitors Limited | Professional & scientific | 2011 |
| Gladtech Limited | Administrative & support | 2016 |
| Glamorgan Process Engineering Ltd | Professional & scientific | 2016 |
| Glamtech Ltd | Wholesale & retail | 2024 |
| Glass Onion Consulting Ltd | Professional & scientific | 2026 |
| Glass Onion Developments Limited | Real estate | 2014 |
| Glass Onion Financial Services Ltd | Financial services | 2022 |
| Glaze Developments LLP | | 2006 |
| Glazebrook Electrical Services Ltd | Construction | 2014 |
| Glazebrook Properties Ltd | Real estate | 2022 |
| Glazebrook Property Holdings Limited | Real estate | 2024 |
| Glazebury Building Ltd | Construction | 2026 |
| Gleam Clean Ltd | Information & communication | 2015 |
| Gleaming Clean Warrington Ltd | Administrative & support | 2022 |
| Glebe Lodge Limited | Financial services | 2025 |
| Glen Dimplex Home Appliances Limited | Manufacturing | 1992 |
| Glendale Consulting Ltd | Information & communication | 2021 |
| Glenelly Infrastructure Solutions Limited | Construction | 2016 |
| Glenesk Limited | Professional & scientific | 2000 |
| Glengower Developments Limited | Other services | 2017 |
| Glenkhan Limited | Professional & scientific | 2015 |
| Glenusher Developments Ltd | Professional & scientific | 2025 |
| Glenview Engineering Services Limited | Administrative & support | 2007 |
| GLH Governance Ltd | Professional & scientific | 2019 |
| Glitsun Consulting Ltd | Information & communication | 2016 |
| Glitterball Limited | Administrative & support | 2022 |
| GLJ Construction Services Ltd | Professional & scientific | 2022 |
| GLN Electrical Limited | Construction | 2016 |
| GLO Holiday Club Limited | Hospitality | 2024 |
| Global Atlantic Ltd | Health & social care | 2020 |
| Global Atlantic Property Limited | Real estate | 2022 |
| Global Brand Consultancy Limited | Professional & scientific | 2026 |
| Global Computer Spares Ltd | Administrative & support | 2004 |
| Global Consultancy Network Ltd | Professional & scientific | 2025 |
| Global Digitech Solutions Ltd | Information & communication | 2024 |
| Global Electrical (NW) Contractors Limited | Construction | 2017 |
| Global Emea Limited | Information & communication | 2021 |
| Global Financial and Management Consulting Services Ltd | Real estate | 2020 |
| Global Gateway Consultancy Group Ltd | Wholesale & retail | 2025 |
| Global Holdco Limited | Financial services | 2022 |
| Global Infrastructure Consulting Ltd | Professional & scientific | 2022 |
| Global Interactive Ltd. | Professional & scientific | 1997 |
| Global Investments & Properties Ltd | Financial services | 2007 |
| Global IQ Shop Ltd | Real estate | 2021 |
| Global Kismet Ltd | Education | 2014 |
| Global Lifecycle Holdings Ltd | Information & communication | 2021 |
| Global Lifecycle Services Emea Limited | Information & communication | 2007 |
| Global Lifecycle Solutions Emea Limited | Water & waste | 2010 |
| Global Methanol Ltd | Professional & scientific | 2026 |
| Global Minimarket Warrington Ltd | Wholesale & retail | 2023 |
| Global Planning Professionals Limited | Professional & scientific | 2017 |
| Global Platforms Northern Ltd | Construction | 2011 |
| Global Project and Programme Management Services Ltd | Professional & scientific | 2017 |
| Global Project Delivery Limited | Professional & scientific | 2012 |
| Global Reach Energy Consultancy Ltd | Professional & scientific | 2020 |
| Global Reach Property Solutions Ltd | Real estate | 2021 |
| Global Safety Consulting Limited | Financial services | 2010 |
| Global Structured Finance Solutions Ltd | Professional & scientific | 2019 |
| Global Surface & Power Engineer Ltd | Manufacturing | 2025 |
| Global Technology Ltd | Information & communication | 1998 |
| Global Vision Renew Limited | Information & communication | 2019 |
| Globalmultilink Ltd | Transport & logistics | 2026 |
| Globe Property Group Ltd | Real estate | 2021 |