| Glanville Transport Services Limited | Administrative & support | 2014 |
| GLARUS89 Ltd | Transport & logistics | 2021 |
| Glasgow Erskine Bridge Hotel Asset Company Limited | Hospitality | 2019 |
| Glasgow Erskine Bridge Hotel Management Company Limited | Hospitality | 2019 |
| Glass & Glaze Ltd | Wholesale & retail | 2020 |
| Glaston Electrical Limited | Construction | 2003 |
| Glazecomm Limited | Construction | 2022 |
| Glazing Installations Ltd | Construction | 2022 |
| GLEAMTEAM1 Ltd | Administrative & support | 2025 |
| Glen Landscape Services Limited | Administrative & support | 2021 |
| Glen Storey Interiors Limited | Construction | 2011 |
| Glencastle Financial Services Limited | Financial services | 2014 |
| Glenn Newco Limited | Real estate | 2021 |
| Glentham Road Ltd | Real estate | 2022 |
| GLO Solutions Limited | Information & communication | 2012 |
| Glo-Blu Plumbing & Heating Services Ltd | Construction | 2012 |
| Global Blinds & Shutters Limited | Financial services | 2015 |
| Global Container Logistics Limited | Extraterritorial | 2012 |
| Global Datapoints Ltd | Information & communication | 2020 |
| Global Hangers International Ltd | Wholesale & retail | 2019 |
| Global Hangers Limited | Manufacturing | 2000 |
| Global Health Dynamics Limited | Information & communication | 2009 |
| Global Internet Limited | Information & communication | 2019 |
| Global Machinery Solutions Limited | Agriculture & fishing | 2003 |
| Global Medical Technology Ltd | Health & social care | 2007 |
| Global Mergers and Acquisitions Ltd | Extraterritorial | 2010 |
| Global Optimum Limited | Information & communication | 1998 |
| Global Peptides Ltd | Manufacturing | 2026 |
| Global Piling Services Limited | Construction | 2026 |
| Global Prime Picks Ltd | Administrative & support | 2025 |
| Global Projects Strategy Limited | Information & communication | 2026 |
| Global Recycling Solutions Limited | Agriculture & fishing | 2022 |
| Global Spotless Limited | Administrative & support | 2026 |
| Global Tech Traders Limited | Wholesale & retail | 2026 |
| Global Technical Services Limited | Construction | 2017 |
| Globeaid Limited | Real estate | 1982 |
| Globex Freight Management Limited | Transport & logistics | 2003 |
| Glopro Energy Services UK Limited | Mining & quarrying | 2017 |
| Glorson Ltd | Real estate | 2022 |
| Glossie Ltd | Construction | 2012 |
| Glovebox Solutions Limited | Information & communication | 2025 |
| Glow Rituals Limited | Other services | 2024 |
| Glow With Silke Hair Limited | Other services | 2026 |
| Glowence Group Limited | Wholesale & retail | 2025 |
| Glowprint Boutique Ltd | Wholesale & retail | 2025 |
| Glym Services Ltd | Transport & logistics | 2025 |
| Glynns Limited | Real estate | 1996 |
| GM ALL Haul Ltd | Transport & logistics | 2012 |
| GM Cube Consultancy Services Ltd | Public administration | 2024 |
| GM Lets Limited | Real estate | 2019 |
| GM Property SPV Ltd | Construction | 2025 |
| GM Trading Ipswich Ltd | Wholesale & retail | 2021 |
| Gm-R Sprayers Limited | Administrative & support | 2005 |
| GMA Handling Ltd | Extraterritorial | 2015 |
| Gmarin.Transport Ltd | Wholesale & retail | 2019 |
| GMM92 Ltd | Professional & scientific | 2024 |
| GMS FC Limited | Professional & scientific | 2010 |
| GN Trans Ltd | Transport & logistics | 2015 |
| Gneiss Holdings Ltd | Financial services | 2019 |
| GNG Recruitment Limited | Administrative & support | 2020 |
| GNH Property Holdings Limited | Real estate | 2022 |
| GNH Property Limited | Real estate | 2022 |
| Go Ahead Recruitment Limited | Administrative & support | 2022 |
| Go Cruise Together Limited | Administrative & support | 2016 |
| Go for Sport Ltd | Education | 2012 |
| Go Frolic Somersham Limited | Arts & recreation | 2025 |
| Go Manila Coffee Shop Limited | Extraterritorial | 2018 |
| Go Resource Management Group Limited | Administrative & support | 2016 |
| Go Shop IV Ltd | Wholesale & retail | 2025 |
| Go Slow Transportation Services Limited | Transport & logistics | 2010 |
| Go Stream V Limited | Wholesale & retail | 2025 |
| Gocube Technology Limited | Information & communication | 2018 |
| Godby Trading Limited | Transport & logistics | 2019 |
| Godc Purchasing Limited | Wholesale & retail | 2020 |
| Goddard & Co (East Anglia) Limited | Real estate | 2003 |
| Goddard & Co Sales (Mid-Suffolk) Limited | Real estate | 2010 |
| Goddard & Co. Suffolk Ltd | Real estate | 2018 |
| Goddard Fencing Limited | Construction | 2013 |
| Godfrey a Payne Limited | Manufacturing | 2003 |
| Godfrey Fico Ltd. | Professional & scientific | 2007 |
| Godliman Partners Ltd | Administrative & support | 2019 |
| Godolphin International Thoroughbred Leadership Programme Limited | Education | 2003 |
| Gofer Limited | Energy | 1988 |
| Gofer Power Solutions Ltd | Energy | 2011 |
| Gofer Production Services Limited | Energy | 2016 |
| Gogetter Movement CIC | Administrative & support | 2025 |
| Gokturk (EN) Ltd | Hospitality | 2017 |
| Gold & Silver Buyers Ltd | Wholesale & retail | 2011 |
| Gold Star Assets Ltd | Real estate | 2020 |
| Gold Star Freeholds Limited | Real estate | 2021 |
| Gold Star Marine Finance Ltd | Financial services | 2024 |
| Gold Star Property Group Ltd | Real estate | 2021 |
| Goldaxe Ltd | Real estate | 2020 |
| Goldaxe Workshops Limited | Manufacturing | 2023 |
| Goldcrest Agriculture and Property Ltd. | Agriculture & fishing | 2017 |
| Golden Bengal Ltd | Hospitality | 2024 |
| Golden Coffee Regent Limited | Hospitality | 2025 |
| Golden Cross Hand Car Wash Limited | Other services | 2015 |
| Golden Cross Limited | Health & social care | 2008 |
| Golden Dimond Corner Ltd | Wholesale & retail | 2025 |