| Golden Kith Management Ltd. | Wholesale & retail | 2025 |
| Golden Leaves Management Company Limited | Professional & scientific | 2007 |
| Golden Rock Associates Limited | Professional & scientific | 2018 |
| Goldstein Gyms Ltd | Arts & recreation | 2024 |
| Good Consultancy Services Ltd | Information & communication | 2025 |
| Good Hustle Ltd | Real estate | 2025 |
| Goodstation Limited | Real estate | 2015 |
| Goonhilly Investments LLP | | 2019 |
| Goonhilly Property Investments Limited | Real estate | 2019 |
| Gospodinov Ltd | Information & communication | 2025 |
| Gotta Wear Shades Limited | Information & communication | 2016 |
| Gotthem! Limited | Professional & scientific | 2016 |
| Govtech Events Ltd | Administrative & support | 2025 |
| Gowen Consultants (UK) Limited | Professional & scientific | 2011 |
| GPG Intelligence Limited | Professional & scientific | 2024 |
| GPN Solutions Limited | Professional & scientific | 2014 |
| GR Property Kent Ltd | Real estate | 2017 |
| Grabb Yourself Ltd | Wholesale & retail | 2026 |
| Grace Power Ltd | Administrative & support | 2015 |
| Gracias Group Ltd | Financial services | 2025 |
| Grain Creative Limited | Professional & scientific | 2002 |
| Grain, Wine and Olive OIL - Virtual Support Services Limited | Administrative & support | 2021 |
| Grampian Management Services Limited | Professional & scientific | 2008 |
| Grand Bois Limited | Hospitality | 1993 |
| Grand UK Events Ltd | Hospitality | 2026 |
| Grandeur Living Solutions Limited | Real estate | 2019 |
| Grange Rose Hill School Limited | Education | 1975 |
| Gray Endeavours Ltd | Information & communication | 2021 |
| Graykemp Commercial Properties Ltd | Households | 2025 |
| Graylands Advisory Ltd | Professional & scientific | 2019 |
| GRB Technology Limited | Information & communication | 2017 |
| Great Bounds Services Ltd | Manufacturing | 2021 |
| Great Culverden Park Limited | Households | 1991 |
| Greatstone Dunes Community Interest Company | Administrative & support | 2017 |
| Green Cave Daycare Limited | Health & social care | 2016 |
| Green Cleen (South East) Limited | Water & waste | 2002 |
| Green Cleen (Wealden) Limited | Administrative & support | 2020 |
| Green Gardens (Kent & Sussex) Ltd | Administrative & support | 2023 |
| Green Hedge Energy UK Limited | Administrative & support | 2010 |
| Green Hippo Print Limited | Manufacturing | 2013 |
| Green Mango Media Limited | Information & communication | 2011 |
| Green Meadows (Kent) Limited | Households | 2012 |
| Green Planet Design Engineers Limited | Professional & scientific | 2008 |
| Green-On (Holdings) Limited | Manufacturing | 2018 |
| Green-On Limited | Manufacturing | 2008 |
| Greenbird Partnership Ltd | Information & communication | 2021 |
| Greener Engines Ltd | Wholesale & retail | 2018 |
| Greenfin Accounting Limited | Professional & scientific | 2018 |
| Greenfin Group Limited | Financial services | 2015 |
| Greenfin International Limited | Extraterritorial | 2015 |
| Greenfin Limited | Professional & scientific | 2006 |
| Greenfinq Limited | Professional & scientific | 2016 |
| Greengauge ESG Ltd | Information & communication | 2021 |
| Greens of Sunningdale Limited | Wholesale & retail | 2011 |
| Greenstede Developments Ltd | Construction | 2025 |
| Greentec Electrical Ltd | Construction | 2021 |
| Greenwayparcels Ltd | Transport & logistics | 2025 |
| Grey Heron Design Ltd | Professional & scientific | 2023 |
| Greylin.Mabaso-Mlilo Ltd | Administrative & support | 2024 |
| Greynard Ltd | Information & communication | 2015 |
| Gridcore Recruitment Ltd | Administrative & support | 2022 |
| Griffin Property Solutions Limited | Real estate | 2012 |
| Griffin Recruitment Limited | Administrative & support | 2002 |
| Grody Tavern Limited | Information & communication | 2024 |
| Groombridge Estates Ltd | Real estate | 2023 |
| Grosvenor Lodge Care Home Limited | Health & social care | 2020 |
| Grosvenor Manor (Bexley) RTM Company Limited | Households | 2012 |
| Grosvenor Park Build Limited | Construction | 2015 |
| Grosvenor Park Investments Limited | Real estate | 1999 |
| Grosvenor Removals Ltd | Transport & logistics | 2012 |
| Grosvenor Road Groceries Limited | Wholesale & retail | 2025 |
| Ground Zero Coffee Limited | Hospitality | 2013 |
| Grove Bowling Club,Tunbridge Wells,Limited(The) | Arts & recreation | 1927 |
| Grove Mills (Hawkhurst) LLP | | 2009 |
| Groves Mortgage and Insurance Services Limited | Financial services | 2004 |
| Grovetradinguk Ltd | Wholesale & retail | 2014 |
| Growers Produce Direct Ltd | Professional & scientific | 2020 |
| Grown at Home Limited | Wholesale & retail | 2007 |
| Growstack Ltd | Professional & scientific | 2026 |
| Growth Vector Limited | Information & communication | 2026 |
| Grundon Marine Limited | Manufacturing | 2002 |
| GSI Property Maintenance Services Limited | Administrative & support | 2006 |
| GSM London Holdings Limited | Financial services | 2010 |
| GTB Enterprises Ltd | Professional & scientific | 2019 |
| Gtma Limited | Professional & scientific | 2023 |
| Gualdo Cattaneo Limited | Professional & scientific | 2018 |
| Guardian AI Global Ltd | Information & communication | 2026 |
| Guardian Safes Limited | Manufacturing | 1947 |
| Gulliver Consulting Limited | Information & communication | 2013 |
| Gulo AC Limited | Construction | 2019 |
| Gunlegal Limited | Real estate | 1977 |
| Gurtaj Properties Ltd | Real estate | 2026 |
| Guthrie-Brown Investments Ltd | Other services | 2015 |
| Guttermatter Ltd | Construction | 2022 |
| GUY Jenkins Associates Limited | Administrative & support | 2013 |
| GUY Levy Photography Ltd | Professional & scientific | 2016 |
| GWA Design Limited | Professional & scientific | 2005 |
| GWV Talent Solutions Limited | Professional & scientific | 2002 |
| H & H Maintenance Limited | Construction | 2018 |
| H & K Corporation (Kent) Ltd | Hospitality | 2010 |