| Garden Services 4 YOU Ltd | Administrative & support | 2021 |
| Gardners the Estate Agent Limited | Real estate | 2022 |
| Gary Williams Creates Ltd | Professional & scientific | 2023 |
| GAS Calibration Services Limited | Manufacturing | 2021 |
| GASBOY14 Ltd | Construction | 2026 |
| Gather & Ltd | Hospitality | 2025 |
| Gauci & Co Interiors Limited | Professional & scientific | 2019 |
| GB Carnival C.I.C. | Education | 2019 |
| GB Catering (Kent) Ltd | Hospitality | 2017 |
| GB Welding & Industrial Supplies Ltd | Wholesale & retail | 2024 |
| GC Conservatories & Hups Ltd | Construction | 2026 |
| GDK Express Ltd | Wholesale & retail | 2025 |
| GEB Harbour Heights Ltd | Construction | 2020 |
| Gecko Asset Management Ltd | Real estate | 2024 |
| GEM Pre-Construction Limited | Administrative & support | 2016 |
| Gemho Renewables Limited | Professional & scientific | 2010 |
| Gemini Fundraising Ltd | Other services | 2014 |
| Gentoo Solutions Ltd | Information & communication | 2025 |
| Geoff Oliver & Associates Limited | Professional & scientific | 2008 |
| George's Card Shop Limited | Wholesale & retail | 2017 |
| George's Mini Market Limited | Wholesale & retail | 2010 |
| Georges Whitstable Limited | Wholesale & retail | 2020 |
| GET Baked and Loaded Limited | Hospitality | 2025 |
| GF Catering Ltd | Hospitality | 2025 |
| GFK Estates Limited | Real estate | 2021 |
| GG Media Services Ltd | Information & communication | 2022 |
| Ghar Freehold Ltd | Households | 2025 |
| Ghost Hunt UK Ltd | Wholesale & retail | 2017 |
| Ghvw Limited | Hospitality | 2026 |
| Gift Grab Ltd | Professional & scientific | 2018 |
| Gillings Family Ltd | Other services | 2023 |
| Gimenez Jones Ltd | Financial services | 2025 |
| Ginger Air & Partners Ltd | Construction | 2010 |
| Girl Hike CIC | Other services | 2025 |
| Giulian Limited | Professional & scientific | 2013 |
| Glam Event Hire Ltd | Administrative & support | 2019 |
| Glazit Limited | Administrative & support | 2023 |
| Glider SL Limited | Information & communication | 2013 |
| Global Chef UK Limited | Hospitality | 2021 |
| Global Recruitment Kent Ltd | Administrative & support | 2023 |
| Globalia Shop Trading Ltd | Wholesale & retail | 2025 |
| Glow UP (Cliffsend) Ltd | Other services | 2022 |
| GM Digital Consulting Ltd | Information & communication | 2026 |
| GM Ventilation Services Ltd | Administrative & support | 2024 |
| Go Best Marketing Ltd | Professional & scientific | 2017 |
| Go That Way Capetown Limited | Administrative & support | 2024 |
| Goddess Temple Retreats Ltd | Administrative & support | 2023 |
| Gold Holdings Ltd | Real estate | 2025 |
| Gold Property Management Ltd | Administrative & support | 2023 |
| Golden Coffe House Ltd | Hospitality | 2026 |
| Golden Mandala Ltd | Other services | 2019 |
| Goldhouse Creative Ltd | Information & communication | 2021 |
| Golf Events Limited | Arts & recreation | 2016 |
| Golf Workshop Limited | Wholesale & retail | 2018 |
| GOLF-4U Ltd | Arts & recreation | 2013 |
| Goodall Property Investment Limited | Real estate | 2016 |
| Goodall Property Lettings Limited | Real estate | 2025 |
| Goodgate Ltd | Information & communication | 2012 |
| Goodman Event Curations Ltd | Hospitality | 2023 |
| Goodwin Plumbing Services Limited | Construction | 2010 |
| Gordon Lewis Calver Ltd | Extraterritorial | 2024 |
| Goss Hall Werks Ltd | Wholesale & retail | 2025 |
| GOT That Swing Ltd | Arts & recreation | 2023 |
| GP and Sons Ltd | Hospitality | 2022 |
| GPL Construction Services Ltd. | Professional & scientific | 1996 |
| GPL Facilities Ltd | Administrative & support | 2018 |
| GPM Partnership Limited | Professional & scientific | 2005 |
| Grad Flex Limited | Administrative & support | 2024 |
| Graffiq Ltd | Administrative & support | 2018 |
| Grafton Brickwork Services Limited | Construction | 2020 |
| Grafton Holding Company Limited | Financial services | 2023 |
| Grafton Property Investments Limited | Real estate | 2023 |
| Graham & Stephens Limited | Hospitality | 2020 |
| Graham James Miller Limited | Extraterritorial | 2025 |
| Graham Kinnear Property Consultant Limited | Professional & scientific | 2017 |
| Grange Laundrette Ltd | Other services | 2015 |
| Granite Perfectionists Limited | Manufacturing | 2016 |
| Granville House RTM Company Limited | Households | 2008 |
| Granville Marina Court Limited | Extraterritorial | 2014 |
| Granville RTM Company Ltd | Households | 2019 |
| Graphical Sign Ltd | Professional & scientific | 2014 |
| Gray Partners Limited | Information & communication | 2023 |
| Graystone Builders Limited | Construction | 2020 |
| Greasetech Drainage Solutions Limited | Construction | 2021 |
| Great British Pizza Company Ltd | Hospitality | 2012 |
| Great Circle Marine Services Limited | Transport & logistics | 2022 |
| Great Oaks Small School | Education | 2004 |
| Great West Autos Limited | Wholesale & retail | 1947 |
| Green Gables Care Limited | Health & social care | 2013 |
| Green Star Communications Ltd | Information & communication | 2025 |
| Griffin Invicta Ltd | Professional & scientific | 2024 |
| Grimsbyte Ltd | Information & communication | 2025 |
| Gripette Ltd | Information & communication | 2018 |
| GRJ Construction Consultancy Ltd | Construction | 2020 |
| Groundworks Solutions Limited | Construction | 2015 |
| Groves Brandram Limited | Extraterritorial | 2014 |
| Groveside Investments Limited | Real estate | 2021 |
| GRP Works Ltd | Manufacturing | 2022 |
| Grummant (Heating & Plumbing Services) Limited | Construction | 1982 |
| Grumpy Goblin GE Limited | Wholesale & retail | 2016 |