| Goodwin Building Services Ltd | Construction | 2012 |
| Goody Chippy Ltd | Hospitality | 2018 |
| Gordian Ventures Limited | Real estate | 1998 |
| Gorilla Marketing Services Limited | Administrative & support | 2011 |
| Gorringe Group Ltd | Information & communication | 2013 |
| Gosden Builds Limited | Construction | 2025 |
| Gosden Homes Limited | Real estate | 2025 |
| Gosecure Properties Ltd | Real estate | 2025 |
| Gosecure Systems Ltd | Information & communication | 2018 |
| Gowens Law Limited | Professional & scientific | 2013 |
| Gowens LLP | | 2007 |
| GP Interior Solutions Ltd | Construction | 2012 |
| GQ Property Management Limited | Real estate | 2013 |
| Grabex Global Holdings Ltd | Financial services | 2026 |
| Grabex Windows Ltd | Manufacturing | 2007 |
| Grace Bellairs Accountants Limited | Professional & scientific | 2011 |
| Grace Consult Limited | Health & social care | 2022 |
| Grace Illustration Ltd | Wholesale & retail | 2024 |
| Gracefield Resources Limited | Financial services | 2018 |
| Gracious Care (Holdings) Limited | Health & social care | 2020 |
| Gracious Care Limited | Health & social care | 2021 |
| Graduates Limited | Wholesale & retail | 1995 |
| Graham Brown (1995) Limited | Construction | 1995 |
| Graham Fans Ltd | Manufacturing | 2019 |
| Gramskill Limited | | 1982 |
| Grand Garden Services (Kent) Ltd | Administrative & support | 2014 |
| Grand Garden Services Limited | Administrative & support | 2015 |
| Grand Godrich Limited | Professional & scientific | 2013 |
| Grandchester Incorporation Limited | Real estate | 2017 |
| Grandpa's Shirts Ltd | Wholesale & retail | 2021 |
| Grange Design London Limited | Professional & scientific | 2025 |
| Granite Decking UK Ltd | Wholesale & retail | 2020 |
| Granite Setts UK Limited | Wholesale & retail | 2015 |
| Grant Capital Holdings and Investments Ltd | Real estate | 2025 |
| Granville Road (Sevenoaks) Management Company Limited | Households | 2004 |
| Graphene Thermal Ltd | Manufacturing | 2025 |
| Grasmere Paving and Landscaping Limited | Construction | 2020 |
| Gratia Housekeeping Services Limited | Administrative & support | 2024 |
| Graziano Grinding Services Holdings Ltd | Financial services | 2024 |
| Graziano Grinding Services Limited | Professional & scientific | 2024 |
| Great Awakening Ministry-Community Ltd | Other services | 2018 |
| Great Business Platforms Limited | Information & communication | 2013 |
| Great Stone Limited | Professional & scientific | 2016 |
| Greatbuilt Limited | Construction | 2023 |
| Greater Area Ltd | Real estate | 2023 |
| Greek Grub Ltd | Hospitality | 2023 |
| Green Conscious Limited | Manufacturing | 2020 |
| Green Dragon Collectables Ltd | Wholesale & retail | 2025 |
| Green Elephant Ltd | Construction | 2019 |
| Green Globe Trading Limited | Wholesale & retail | 2026 |
| Green Grass Golf Limited | Financial services | 2011 |
| Green MEN Garden Maintenance Ltd | Administrative & support | 2015 |
| Green Space Maintenance Limited | Construction | 2018 |
| Green Street Green 2018 Ltd | Hospitality | 2018 |
| Green Street Green MOT and Service Centre Ltd | Other services | 2011 |
| Green-Flags-Dating Ltd | Other services | 2026 |
| Greenaway Apps Ltd | Information & communication | 2025 |
| Greenaway Design and Build Ltd | Construction | 2020 |
| Greenbridge Eco Consultancy Limited | Professional & scientific | 2026 |
| Greenbridge Eco Group Ltd | Construction | 2026 |
| Greenbridge Eco Investment One Limited | Financial services | 2026 |
| Greencourt Management Limited | Financial services | 1993 |
| Greenjackets Fencing Limited | Construction | 2025 |
| Greennation Services Ltd | Information & communication | 2022 |
| Greenrev Limited | Agriculture & fishing | 2020 |
| Greentech Solar Venture Ltd | Construction | 2020 |
| Greenway Mobility Group Ltd | Wholesale & retail | 2024 |
| Greenwich Instruments Limited | Manufacturing | 1979 |
| Gregory Marketing Limited | Professional & scientific | 2008 |
| Greh Properties Limited | Real estate | 2020 |
| Gresham Street Consulting 2016 Limited | Information & communication | 2016 |
| Gretton Ward Electrical Limited | Construction | 1974 |
| Grey Horse Tickets Ltd | Administrative & support | 2019 |
| Greylight Ltd | Professional & scientific | 2022 |
| Griggs and Charles Accounting Limited | Professional & scientific | 2013 |
| Grillardin Limited | Administrative & support | 2025 |
| Groom & Co Roofing Ltd | Construction | 2024 |
| Groovy Entertainment Ltd | Arts & recreation | 2025 |
| Grove Casa Limited | Transport & logistics | 2020 |
| Grove Investment Solutions Ltd | Financial services | 2021 |
| Grove Park Investments Limited | Professional & scientific | 2011 |
| Grove Pension Solutions Ltd | Financial services | 2007 |
| Grove Property Specialists Ltd. | Real estate | 2011 |
| Grovestable Limited | Construction | 1988 |
| Growlikevines Ltd | Other services | 2024 |
| Growth Angle Ltd. | Professional & scientific | 2012 |
| Growth Solutions London Limited | Administrative & support | 2026 |
| Growthstory Ltd | Information & communication | 2026 |
| Grubmile Ltd | Construction | 2020 |
| Gruha Properties Ltd | Real estate | 2023 |
| GS Electrical Rail Services Limited | Construction | 2015 |
| GSA Euro Services Ltd | Wholesale & retail | 2010 |
| Gsbs Construction Services Ltd | Construction | 2023 |
| GSF Property Management Ltd | Real estate | 2019 |
| GSS Financial Planning Limited | Financial services | 1998 |
| Gsync Consulting Ltd | Professional & scientific | 2025 |
| GT Assets Ltd | Real estate | 2025 |
| Gtim Design Ltd | Construction | 2015 |
| GTO Cars Limited | Wholesale & retail | 2016 |
| Guess 1 Design Limited | Professional & scientific | 2005 |