| Gadgets 4UK Ltd | Wholesale & retail | 2018 |
| Galo Peri Limited | Hospitality | 2021 |
| Gameageventures LLP | | 2014 |
| GANESHA1 Trading Ltd | Information & communication | 2022 |
| Garath Whyte Ltd | Information & communication | 2014 |
| Gary Miller GAS Services Limited | Construction | 2007 |
| Gasco (South East) Limited | Construction | 2012 |
| Gate Trading Ltd | Administrative & support | 2014 |
| Gatehouse Estates Ltd | Administrative & support | 2019 |
| GC12 Limited | Real estate | 2022 |
| GDB Rail Consultancy Limited | Construction | 2017 |
| GDH Communications Ltd | Information & communication | 2014 |
| Gdoproperties Limited | Real estate | 2025 |
| Gebrueder Mayer Limited | Professional & scientific | 2011 |
| GEE CEE Properties Ltd | Real estate | 2017 |
| Geek DEN Ltd | Information & communication | 2022 |
| GEL Studio Hackney Ltd | Professional & scientific | 2023 |
| Gemini Power Solutions Limited | Transport & logistics | 2017 |
| Genie Homes Limited | Real estate | 2018 |
| Genomatis Ltd | Information & communication | 2021 |
| Gentspire Limited | Other services | 2025 |
| Georganaut Productions Ltd | Information & communication | 2023 |
| George Cooper House Limited | Households | 1998 |
| George Stone House Freeholders Limited | Households | 2013 |
| Georgian Projects Ltd. | Professional & scientific | 1999 |
| Georgie's Properties Ltd | Real estate | 2021 |
| GES Construction Management Limited | Construction | 2015 |
| Geschwisterschaft IM Frieden Ltd | Professional & scientific | 2021 |
| GET 2 Events Ltd | Hospitality | 2019 |
| GET 2 Events Promotions Ltd | Hospitality | 2022 |
| GET Elec Limited | Professional & scientific | 2010 |
| GET Here London Limited | Wholesale & retail | 2021 |
| Getlink Services UK Ltd | Administrative & support | 2013 |
| GG Cheriton Limited | Hospitality | 2025 |
| Gggservice Ltd | Administrative & support | 2024 |
| Ghin KOW Trading Ltd | Hospitality | 2020 |
| Ghliss Fabrication Ltd | Manufacturing | 2024 |
| Giant Campus Limited | Education | 2016 |
| Giddy UP Racing Ltd | Professional & scientific | 2026 |
| Gill Exec Limited | Hospitality | 2020 |
| Gill's Cleaning Services Ltd | Administrative & support | 2025 |
| Ginger Tree Holdings Limited | Real estate | 2018 |
| Gingers Kitchen Limited | Hospitality | 2013 |
| GK Developments South East Ltd | Construction | 2019 |
| GL Building Ltd | Construction | 2024 |
| Glass Vegas Ltd | Professional & scientific | 2019 |
| Glencairn House Management Company Limited | Other services | 2004 |
| Glenys Williams Limited | Information & communication | 2026 |
| Global Quality Sourcing Limited | Wholesale & retail | 2017 |
| Globetrotter Television Limited | Information & communication | 2015 |
| Glorious Roots Limited | Manufacturing | 2020 |
| Glow by Irina Ltd | Arts & recreation | 2026 |
| GM Care Home (Dover) Ltd | Health & social care | 2025 |
| GMC Builders Kent Ltd | Construction | 2025 |
| GMC Mortgages Ltd | Financial services | 2023 |
| GN Consulting Limited | Professional & scientific | 2024 |
| Go Beyond Borders Travel Ltd | Administrative & support | 2025 |
| Godden Investments Limited | Real estate | 2008 |
| Going Long Consulting Ltd | Professional & scientific | 2012 |
| Gold Plated Limited | Extraterritorial | 2015 |
| Gold Star Health and Wellbeing Ltd | Arts & recreation | 2013 |
| Golden Brown (Cheriton) Ltd | Hospitality | 2020 |
| Golden Nails 27 Ltd | Other services | 2022 |
| Golden Point Prop Limited | Real estate | 2024 |
| Golden WOK 2023 TD Limited | Hospitality | 2023 |
| Goldvill Ltd | Wholesale & retail | 2024 |
| Good Chicken Round EGG Limited | Professional & scientific | 2015 |
| Good Folke CIC | Water & waste | 2025 |
| Goosemoose Limited | Administrative & support | 2017 |
| Gordon Engineering Kent Ltd | Manufacturing | 2013 |
| Goreceptionist Ltd | Information & communication | 2026 |
| Gower Consulting Limited | Professional & scientific | 1999 |
| GP Rail Ltd | Manufacturing | 2014 |
| GPR Kent Limited | Construction | 2013 |
| Grace Hill (Folkestone) Management Company Ltd | Households | 2014 |
| Grace Hill Hair & Beauty Ltd | Other services | 2022 |
| Grace Hill Studios Ltd | Health & social care | 2020 |
| Graham Archer Consultancy Ltd | Professional & scientific | 2025 |
| Graham Sutton Limited | Construction | 2013 |
| Grain and Stone Ltd | Administrative & support | 2025 |
| Grand Arts CIC | Arts & recreation | 2024 |
| Grand Court (Management) Limited | Real estate | 2005 |
| Grand Folkestone Enterprises Limited | Hospitality | 2023 |
| Grand Prix Cafe Ltd | Hospitality | 2005 |
| Grand Prix Management Services Limited | Real estate | 1993 |
| Grantr Ltd | Education | 2026 |
| Grasmere Photo Solutions Ltd | Construction | 2012 |
| Gravia Ltd | Wholesale & retail | 2016 |
| Great British Shop Limited | Wholesale & retail | 2012 |
| Green Island Promotions Limited | Wholesale & retail | 1995 |
| Green Management Solutions Foundation CIC | Other services | 2024 |
| Green Management Solutions Limited | Water & waste | 2007 |
| Green Papaya Kitchen Limited | Hospitality | 2024 |
| Green Works (Kent) Ltd | Administrative & support | 2009 |
| Greenfields Nursery (Folkestone) Limited | Education | 2012 |
| Greenfields@St George's Ltd | Health & social care | 2025 |
| Greenhill Academic Consulting Ltd | Education | 2021 |
| Greenleas Residents Association Ltd. | Households | 1999 |
| Greenstone Building Surveyors Ltd | Professional & scientific | 2019 |
| Greenstone Horticulture Limited | Administrative & support | 2025 |