| Future Properties (1ST) Limited | Real estate | 2017 |
| Future Properties Group 1ST Ltd | Real estate | 2019 |
| Future Properties Industrial Lettings Ltd | Real estate | 2019 |
| Fylana Ltd | Wholesale & retail | 2024 |
| G Coulman Limited | Administrative & support | 2012 |
| G Hope 1954 Limited | Financial services | 2015 |
| G Oneill Properties Limited | Real estate | 2018 |
| G S Pemberton Ltd | Administrative & support | 2013 |
| G Singh Printers Ltd | Professional & scientific | 2025 |
| G&D Asset Management Limited | Real estate | 2013 |
| G&M Leisure Ltd | Hospitality | 2022 |
| G.A. Clark (Hardware) Limited | Wholesale & retail | 1947 |
| G.B. Controls Limited | Manufacturing | 1984 |
| G.M. Demaline Electrical Limited | Construction | 2026 |
| G9 Motors Ltd | Wholesale & retail | 2025 |
| Gaafar Medical Ltd | Health & social care | 2022 |
| Gaigo Ltd | Administrative & support | 2022 |
| Garnuta Ltd | Construction | 2024 |
| Gary Bickerstaffe Ltd | Construction | 2024 |
| GAS Alarm Systems Limited | Manufacturing | 1998 |
| Gatestogo Limited | Extraterritorial | 2008 |
| Gava Transport Limited | Transport & logistics | 2024 |
| Gavin Charles Financial Services Limited | Financial services | 2015 |
| Gazuntai.Com Social Marketplace Limited | Professional & scientific | 2012 |
| GB Education Consultant Ltd | Administrative & support | 2022 |
| GB Technology Limited | Manufacturing | 2011 |
| GBS Automation Limited | Extraterritorial | 2024 |
| GBS Industries Limited | Professional & scientific | 2013 |
| GC GAS Services Ltd | Construction | 2017 |
| GDS (UK) Garage Doors Ltd | Manufacturing | 2017 |
| General Engagement Incorporation Limited | Professional & scientific | 2023 |
| General Jannat Food Store Ltd | Hospitality | 2026 |
| Generals Properties Limited | Real estate | 2024 |
| Genie WPP Ltd | Professional & scientific | 2022 |
| GEO JAN Limited | Professional & scientific | 2015 |
| George Boocock Decorators Holdings Limited | Financial services | 2018 |
| George Boocock Decorators Limited | Construction | 2004 |
| GET Uniformed Ltd | Manufacturing | 2025 |
| Gheopop Construction Ltd | Construction | 2022 |
| Ghost Couriers Ltd | Transport & logistics | 2026 |
| Giatalia International Limited | Wholesale & retail | 2011 |
| Gibfield 59 Limited | Wholesale & retail | 2012 |
| Gibson’S Bistro Ltd | Hospitality | 2023 |
| Giddy Kippers Limited | Administrative & support | 2005 |
| Gifts Ocean Limited | Wholesale & retail | 2023 |
| Gigidag Limited | Information & communication | 2023 |
| Ginger Rail Limited | Manufacturing | 2016 |
| GJM Masons Ltd | Hospitality | 2024 |
| Glectrical Ltd | Professional & scientific | 2022 |
| Global Bakery Solutions Limited | Manufacturing | 2012 |
| Global Food (Nelson) Ltd | Wholesale & retail | 2014 |
| Global Human Development Ltd | Public administration | 2022 |
| Global Khatme Nubuwwat Movement | Professional & scientific | 2012 |
| Global Rags Ltd | Wholesale & retail | 2019 |
| Global Rapid Access Skim Systems Limited | Extraterritorial | 2014 |
| Globenet Security Ltd | Information & communication | 2025 |
| GN Drive Time Limited | Wholesale & retail | 2022 |
| GN Marketing Services Ltd | Professional & scientific | 2025 |
| Go Green Heating Services (UK) Ltd | Wholesale & retail | 2013 |
| Go Velo Ltd | Arts & recreation | 2012 |
| GO2HOSPITALITY Ltd | Hospitality | 2018 |
| Gold Star Promotions and Events Limited | Arts & recreation | 2014 |
| Golden Angelz Media Ltd | Arts & recreation | 2025 |
| Golden LAY Limited | Wholesale & retail | 2016 |
| Golden LAY Products Limited | Wholesale & retail | 2024 |
| Goldstar Boxing Ltd | Professional & scientific | 2024 |
| Goldstar Commercial Limited | Households | 2023 |
| Goldstar Memorabilia Limited | Wholesale & retail | 2018 |
| Goldtop Deliveries Ltd | Wholesale & retail | 2025 |
| Golive Experts Limited | Information & communication | 2018 |
| Gondal Bros Ltd | Administrative & support | 2025 |
| Gondal Imran Ltd | Wholesale & retail | 2023 |
| Good Stuff@ Ltd | Wholesale & retail | 2025 |
| Goodman City Benefits Ltd | Professional & scientific | 2026 |
| Goodman Maddox Benefits Ltd | Professional & scientific | 2026 |
| Gordon Burcham Ltd | Professional & scientific | 2023 |
| Gorniak & Mckechnie Ltd | Construction | 2003 |
| Gower Hennessey Limited | Wholesale & retail | 2018 |
| Gpah RC Nelson Northwest Limited | Wholesale & retail | 2025 |
| GPS London Limited | Transport & logistics | 2011 |
| Gradely Homes Ltd | Real estate | 2020 |
| Grane Engineering Museum | Arts & recreation | 2014 |
| Grange Property Holdings Limited | Real estate | 2026 |
| Granville Estates (Brierfield) Limited | Other services | 1942 |
| Graphic Arts (UK) Limited | Financial services | 2008 |
| Grass FED Finance Limited | Administrative & support | 2024 |
| Grassbusters Designs Ltd | Professional & scientific | 2024 |
| Great Taste Chicken Limited | Hospitality | 2020 |
| Green Eco Grants Ltd | Construction | 2021 |
| Green Energy Home Deals Ltd | Administrative & support | 2019 |
| Greenbyte IT Disposal Limited | Water & waste | 2017 |
| Greengate Global Limited | Construction | 2019 |
| Greenhedge Estates Limited | Hospitality | 1993 |
| Greens Rentals Limited | Real estate | 2025 |
| Grimhilda's Kitchen Ltd | Wholesale & retail | 2024 |
| Grkb Ltd | Administrative & support | 2023 |
| Group of Boutique Asset Managers Limited | Financial services | 2014 |
| Grow Tuition Ltd | Education | 2022 |
| GS Maintenance Services Ltd | Construction | 2022 |
| GTB Roofing and Construction Limited | Construction | 2025 |