| Gladiator Security Services Ltd | Administrative & support | 2024 |
| Gladwell Consultants Limited | Information & communication | 2005 |
| Glammed in Ibiza Ltd | Other services | 2025 |
| Glamorous Luxxe Ltd | Other services | 2026 |
| Glance Express Ltd | Wholesale & retail | 2020 |
| Glasby Industrial Ltd | Transport & logistics | 2016 |
| Glasby Pallets Limited | Transport & logistics | 2012 |
| Glasby Property Investments Ltd | Real estate | 2023 |
| Glass House Dining Ltd | Hospitality | 2026 |
| Glass People Ltd | Information & communication | 2012 |
| Glayton Court Management Limited | Real estate | 1999 |
| Glaze of Glory Ltd | Construction | 2024 |
| GLC Investments Limited | Real estate | 2019 |
| GLD Management Ltd | Administrative & support | 2016 |
| Glds Property Investments Ltd | Real estate | 2017 |
| Glds Property Sourcing Ltd | Real estate | 2025 |
| Gleam Healthcare Ltd | Health & social care | 2022 |
| Gleaming Management Services Ltd | Construction | 2024 |
| Glebe Structures Ltd | Construction | 2022 |
| Glebes Properties Ltd | Real estate | 2024 |
| Glebestone Ltd. | Wholesale & retail | 2013 |
| Glen White Limited | Construction | 2024 |
| Glenavon Kelsey LLP | | 2026 |
| Glencrake Properties Limited | Real estate | 2008 |
| Glenhaven Industries Ltd | Extraterritorial | 2026 |
| Glenn Moody Limited | Other services | 2022 |
| Glentworth Sofas Limited | Wholesale & retail | 2017 |
| Glew Joinery Ltd | Construction | 2019 |
| GLG Homes Limited | Construction | 2020 |
| GLH Property Investments Limited | Real estate | 2020 |
| Glithero Limited | Professional & scientific | 2014 |
| GLITZ4GIRLZ Limited | Wholesale & retail | 2007 |
| GLN Traders Ltd | Wholesale & retail | 2018 |
| GLO Coffee Limited | Hospitality | 2022 |
| Global - MSI Public Limited Company | Manufacturing | 1993 |
| Global Boxing Management Group Ltd | Financial services | 2024 |
| Global Boxing Management Ltd | Arts & recreation | 2021 |
| Global Carbon Solutions Ltd | Manufacturing | 2023 |
| Global Complete Transport Services Ltd | Extraterritorial | 2018 |
| Global Developments (UK) Limited | Construction | 1998 |
| Global Domain Hosting Services Ltd | Other services | 2008 |
| Global Electric and Mechanical Repair Ltd | Construction | 2020 |
| Global Engineering Consultants Ltd | Extraterritorial | 2015 |
| Global Enviro Limited | Water & waste | 2004 |
| Global Equestrian Products Ltd | Wholesale & retail | 2015 |
| Global Export Trade Limited | Wholesale & retail | 2023 |
| Global Foods Extra Ltd | Wholesale & retail | 2026 |
| Global Foods Market Ltd | Wholesale & retail | 2024 |
| Global Generators Ltd | Wholesale & retail | 2026 |
| Global Internet Development Ltd | Professional & scientific | 2008 |
| Global Logistics Network Ltd | Transport & logistics | 2022 |
| Global Masts Ltd | Professional & scientific | 2015 |
| Global Oncology Partners Ltd | Health & social care | 2025 |
| Global Refractory Inspection Services Limited | Professional & scientific | 2025 |
| Global Remediations Limited | Water & waste | 2013 |
| Global Retail Business Solutions Limited | Education | 2006 |
| Global Retail Ventures Ltd | Wholesale & retail | 2024 |
| Global Security Consultancy Ltd | Professional & scientific | 2023 |
| Global Verification Limited | Professional & scientific | 2013 |
| Global Water Test Kits Limited | Manufacturing | 2016 |
| Global XI Ltd | Administrative & support | 2026 |
| Globaltrak Limited | Wholesale & retail | 2020 |
| Glodez Africana Ltd | Wholesale & retail | 2024 |
| Glomar Offshore Ltd. | Transport & logistics | 2017 |
| Gloucester Rugby Shop Limited | Extraterritorial | 2008 |
| Glow Auckley Limited | Other services | 2021 |
| Glow Clean Doncaster Limited | Administrative & support | 2020 |
| Glow Doncaster Limited | Other services | 2019 |
| Glow Engineering Ltd | Professional & scientific | 2024 |
| Glow Flow Limited | Construction | 2011 |
| Glow Initiatives Limited | Wholesale & retail | 2026 |
| Glow Sense CIC | Education | 2026 |
| GLP Motor Care Ltd | Wholesale & retail | 2010 |
| Glynn Management Services Ltd | Real estate | 2018 |
| Glynn's Properties Limited | Real estate | 2015 |
| GM Capital Ltd | Financial services | 2020 |
| GM Optical Solutions Ltd | Wholesale & retail | 2016 |
| GM Traffic Management Ltd | Other services | 2021 |
| GM UK Import & Export Ltd | Wholesale & retail | 2026 |
| GM UK Logistics Ltd | Transport & logistics | 2022 |
| GM Wheels Limited | Administrative & support | 2022 |
| Gmac Investments Limited | Administrative & support | 2012 |
| GMC Media Limited | Information & communication | 2026 |
| GMD Transport Limited | Transport & logistics | 2022 |
| Gmdt Business Services Ltd | Professional & scientific | 2017 |
| Gmdt Financial Planning Ltd | Professional & scientific | 2016 |
| GMG Mario Trans Ltd | Administrative & support | 2021 |
| GMG Newco Ltd | Information & communication | 2025 |
| GMR 96 Limited | Wholesale & retail | 2024 |
| GMT Residential Ltd | Real estate | 2021 |
| GN Property Plus Limited | Professional & scientific | 2018 |
| GN Recruitment Ltd | Administrative & support | 2019 |
| GNC Joiners & Shopfitters Ltd | Construction | 2016 |
| GND Trading Limited | Professional & scientific | 2014 |
| Gngn Homes Limited | Real estate | 2023 |
| GNI Transport Ltd | Transport & logistics | 2025 |
| Gnkl Management Limited | Professional & scientific | 2024 |
| GNR Tiles and Bathrooms Ltd | Wholesale & retail | 2023 |
| Go - Dive Limited | Wholesale & retail | 2004 |
| Go Academy Limited | Extraterritorial | 2015 |