| GG-1997 Ltd | Real estate | 2025 |
| GG-1998 Ltd | Real estate | 2025 |
| Gghairlounge Ltd | Other services | 2026 |
| GGO Property Services Ltd | Households | 2026 |
| GGP Consulting Limited | Information & communication | 2018 |
| Ghak Quarter Ltd | Professional & scientific | 2026 |
| Ghaneva Ltd | Real estate | 2025 |
| Ghanshyam Estates Limited | Administrative & support | 2006 |
| Ghanshyam News Limited | Wholesale & retail | 2017 |
| Ghezae Holdings Ltd | Financial services | 2026 |
| Ghoghai Properties Ltd | Other services | 2019 |
| Ghost Architecture Limited | Professional & scientific | 2005 |
| Ghost Tea Company Limited | Wholesale & retail | 2024 |
| GHP Woodcot Property Ltd | Hospitality | 2020 |
| Ghulam Property Limited | Real estate | 2025 |
| Ghuman Enterprise Ltd | Wholesale & retail | 2022 |
| Ghuman Local Limited | Wholesale & retail | 2014 |
| Ghuman Retail Limited | Wholesale & retail | 2011 |
| Ghuman Stores Limited | Wholesale & retail | 2000 |
| GI Luxury Transport Limited | Transport & logistics | 2024 |
| Giacy Limited | Wholesale & retail | 2011 |
| Gianluca Investments Ltd | Wholesale & retail | 2022 |
| Giannino International London Ltd | Hospitality | 2020 |
| Giant's Castle NO 6 Limited | Households | 1996 |
| Gibbs Contractors Limited | Construction | 2017 |
| Gibbs Family Care Limited | Health & social care | 2025 |
| Gibson Automation Ltd | Administrative & support | 2013 |
| Gibson FM Limited | Professional & scientific | 2020 |
| Gibson Integration Limited | Construction | 2011 |
| Gibspa Limited | Financial services | 2025 |
| Giftplanet Ltd | Wholesale & retail | 2015 |
| Giftsin IT Solutions/Management Consultancy Ltd | Information & communication | 2024 |
| Giglio Ltd | Hospitality | 2021 |
| GIL Centre Community Interest Company | Education | 2010 |
| Gilbert Scott (Whitelands) Management Limited | Households | 2006 |
| Gilbert's Close Management Co. Limited | Households | 1998 |
| Gilby and Gilby Limited | Arts & recreation | 2008 |
| Gilda's Spanish Experience Ltd | Education | 2024 |
| Gilkinson (Holdings) Limited | Financial services | 2011 |
| Gilkinson Property Ltd | Real estate | 2025 |
| Gill Alliance Ltd | Wholesale & retail | 2022 |
| Gill Stores Limited | Wholesale & retail | 2001 |
| Gill&Bath Limited | Wholesale & retail | 2016 |
| Gillani Investment Ltd | Construction | 2020 |
| Gillani Trade Hub Limited | Wholesale & retail | 2025 |
| Gillards Decorating Ltd | Construction | 2002 |
| Gillingham Property Management Company Limited | Households | 2000 |
| Gilmar and SON Ltd | Construction | 2018 |
| Giltspur Scientific Limited | Manufacturing | 1990 |
| Gingerbread Corner | Health & social care | 1979 |
| Ginz Limited | Construction | 2023 |
| Gioia London Ltd | Hospitality | 2023 |
| Gioielli DI Sara Ltd | Wholesale & retail | 2021 |
| Gipsy Road Properties Limited | Real estate | 2005 |
| Girls Night OUT Ltd | Wholesale & retail | 2017 |
| Girne Universitesi (Ingiltere) Limited | Extraterritorial | 2016 |
| Gist Health Limited | Wholesale & retail | 2004 |
| Gistelesworde Management Company Limited | Real estate | 1981 |
| Gitgo Solutions Limited | Professional & scientific | 2014 |
| Give Back Ghana Community Interest Company | Health & social care | 2020 |
| Gizmo Galaxy Ltd | Wholesale & retail | 2025 |
| Gizmo Treasures 360 Limited | Wholesale & retail | 2025 |
| Gizmotech Ltd | Professional & scientific | 2022 |
| GJ07 Global Ltd | Manufacturing | 2026 |
| Gjini Construction Ltd | Construction | 2019 |
| GJK Contracts & Projects Limited | Construction | 2013 |
| GJS Property Solutions Ltd | Real estate | 2025 |
| Gk's Services Ltd | Wholesale & retail | 2022 |
| GKA Design & Marketing Limited | Professional & scientific | 1997 |
| Gknet Solutions Ltd | Information & communication | 2020 |
| GKS Investments Limited | Real estate | 2025 |
| GKT Property Investment Ltd | Real estate | 2022 |
| Gkwb Limited | Real estate | 2024 |
| Glade (Shirley) (Courts L M & N) Limited (the) | Real estate | 1970 |
| Glade (Shirley) (Courts O P & Q) Limited (the) | Hospitality | 1970 |
| Glade (Shirley) (Courts R S T & U) Limited (the) | Households | 1970 |
| Glade(Shirley)Courts A&B Limited(The) | Professional & scientific | 1969 |
| Gladee Ltd | Wholesale & retail | 2011 |
| Gladefinder Limited | Professional & scientific | 2020 |
| Glaesco International Ltd | Professional & scientific | 2025 |
| Glam & Chic Ltd | Other services | 2023 |
| Glamora Fashion and Accessories Ltd | Wholesale & retail | 2026 |
| Glanville Metal Spinning Company Limited | Manufacturing | 1954 |
| Glassplan Ltd | Construction | 2016 |
| Glassroom Export UK Ltd | Wholesale & retail | 2011 |
| Glastonbury Kebab Ltd | Hospitality | 2025 |
| Glauco Limited | Professional & scientific | 2014 |
| Glazegard Limited | Construction | 2014 |
| Gleamify Smiles Ltd | Other services | 2025 |
| Glebe Farm Estate Limited | Real estate | 2021 |
| Gleffdaniels Limited | Information & communication | 2025 |
| Glenbower Court Management Limited | Households | 1987 |
| Glenburnie Properties Limited | Real estate | 2025 |
| Glencoe Hougun Limited | Real estate | 2018 |
| Glenda Health Mind Ltd | Health & social care | 2014 |
| Glendale House (Shenfield) Management Company Limited | Households | 2013 |
| Glenhaven House Management Company Limited | Households | 2003 |
| Glenmix Autos Limited | Water & waste | 2022 |
| Glide & Flow Fitness and Wellness Ltd | Wholesale & retail | 2025 |
| Glion Overseas Limited | Education | 2019 |