| General Property Group Ltd | Real estate | 2022 |
| Generation Financial Services Ltd | Financial services | 2008 |
| Generation One Ltd | Professional & scientific | 2022 |
| Generation Rights Limited | Information & communication | 2021 |
| Genesis Alpha Company Limited | Wholesale & retail | 2024 |
| Genesis Maintenance Ltd | Real estate | 2023 |
| Genesis Scan Limited | Health & social care | 2026 |
| Genex Tech Limited | Information & communication | 2026 |
| Genietech Ltd | Wholesale & retail | 2017 |
| Gentle Designs Limited | Professional & scientific | 2003 |
| Gents Barber Shop Limited | Other services | 2016 |
| Gents Grooming Salon Ltd | Other services | 2019 |
| Gentwise Ltd | Health & social care | 2012 |
| Geoffrey Whitworth Theatre Limited | Arts & recreation | 1959 |
| Geoonyeogd Limited | Health & social care | 2024 |
| George Brewster (Property) Limited | Real estate | 1949 |
| George Brewster(Holdings)Limited | Financial services | 1964 |
| George Killoughery Limited | Construction | 1965 |
| George Pearce Training Ltd | Arts & recreation | 2022 |
| Georgina Chapman Flowers Ltd | Wholesale & retail | 2026 |
| Georgina Halabi Coaching Ltd | Other services | 2022 |
| Georgina Lawrence Healthcare Limited | Health & social care | 2025 |
| Geotec Site Investigation Ltd | Construction | 2025 |
| Gera and Fotso Ltd | Real estate | 2025 |
| Gerad Ltd | Construction | 2025 |
| Gerry's Coffee Shop Ltd | Hospitality | 2026 |
| GF Properties Kent Ltd | Real estate | 2025 |
| GFS Refurbishment Limited | Construction | 2014 |
| GG Construction Services Ltd | Construction | 2014 |
| GG Fencing Solutions Ltd | Administrative & support | 2025 |
| GG Portfolio Ltd | Real estate | 2021 |
| GG Software Ltd | Information & communication | 2016 |
| GG-232-288 Limited | Real estate | 2023 |
| GGB (Uk)Limited Limited | Other services | 2017 |
| GGS Buzz Ltd | Transport & logistics | 2019 |
| Gharondaa Ltd | Real estate | 2023 |
| Gharowa Kitchen Ltd | Hospitality | 2019 |
| Gherghel Ltd | Transport & logistics | 2018 |
| Ghsmm Limited | Other services | 2021 |
| Gibbard Electronics Ltd | Construction | 2015 |
| Gibbard Logistics Ltd | Transport & logistics | 2015 |
| Gibbs & Ball Limited | Transport & logistics | 1961 |
| Gifted Temple Ministries | Other services | 2016 |
| Giggs Consulting Limited | Professional & scientific | 2017 |
| Giimorton Limited | Other services | 2026 |
| Gilgal Properties Ltd | Real estate | 2024 |
| Gillham School of Performing Arts Limited | Education | 2010 |
| Gillman Motors Ltd | Wholesale & retail | 2009 |
| Gills Home Renovation Ltd | Construction | 2025 |
| Gimenes States Ltd | Households | 2025 |
| Gimia & Atuga Advertising Co., Ltd | Professional & scientific | 2019 |
| Ginasworldboutique & Travel Ltd | Wholesale & retail | 2017 |
| Gindi Properties Ltd | Real estate | 2024 |
| Gio&Gi Ltd | Health & social care | 2026 |
| GIV Estates Ltd | Real estate | 2016 |
| GJC Group Ltd | Construction | 2024 |
| GJS Holdings Limited | Real estate | 2004 |
| GK London Ltd | Transport & logistics | 2020 |
| GKP Properties Limited | Real estate | 2018 |
| GKT London Limited | Real estate | 2009 |
| GL Generation Leads Ltd | Professional & scientific | 2025 |
| Gladetree Limited | Manufacturing | 1952 |
| Glampunders Ltd | Other services | 2019 |
| Glanville MEP Ltd | Construction | 2025 |
| Glazing Southern Solutions Ltd | Construction | 2025 |
| GLD Fitness Limited | Arts & recreation | 2022 |
| Gleda Ltd | Transport & logistics | 2025 |
| Glen Gibbard Transport Limited | Transport & logistics | 2007 |
| Glensei Global Services Ltd | Real estate | 2025 |
| Glenville Grove Ltd | Real estate | 2022 |
| GLG Margherita Ltd | Real estate | 2019 |
| Glister's Care Ltd | Health & social care | 2019 |
| Glitter Productions Limited | Arts & recreation | 2010 |
| GLK Professional Limited | Professional & scientific | 2012 |
| GLO Cleaning Services Ltd | Administrative & support | 2015 |
| Global B4B Ltd | Professional & scientific | 2018 |
| Global BIM Limited | Manufacturing | 2025 |
| Global Classic Car Group Ltd | Wholesale & retail | 2025 |
| Global Coir Products Ltd | Agriculture & fishing | 2025 |
| Global Communications London Ltd | Wholesale & retail | 2025 |
| Global Connected Empires Limited | Financial services | 2026 |
| Global Design Professionals PVT Ltd | Information & communication | 2026 |
| Global Dynamic & Consulting Limited | Construction | 2018 |
| Global Fintech Professionals PVT Ltd | Information & communication | 2026 |
| Global Food Centre Limited | Wholesale & retail | 2016 |
| Global Group Facilities Ltd | Administrative & support | 2006 |
| Global Group Supplies Limited | Administrative & support | 2009 |
| Global GSM Limited | Administrative & support | 2008 |
| Global Intelligent Logistics (UK) Ltd | Transport & logistics | 2014 |
| Global Intelligent Trading Ltd | Administrative & support | 2024 |
| Global Link Career Ltd | Education | 2021 |
| Global NET Communication Limited | Construction | 2010 |
| Global Reach Investments Limited | Real estate | 2025 |
| Global Site Investigation Ltd | Construction | 2024 |
| Global Sport Professionals PVT Ltd | Education | 2025 |
| Global Telecom Consultation Limited | Information & communication | 2025 |
| Global Telecom Install Ltd | Information & communication | 2021 |
| Global Wellness Foundations Ltd | Wholesale & retail | 2026 |
| Globally Connected Empires Limited | Financial services | 2026 |
| Globalnet Corporation Limited | Information & communication | 2024 |