| Golden Rituals Ltd | Real estate | 2025 |
| Golden Wing (Folkestone) Ltd | Hospitality | 2015 |
| Goldseal Estates Limited | Agriculture & fishing | 1971 |
| Good Company Wealth Limited | Information & communication | 2017 |
| Good Mushroom Nutrition Limited | Wholesale & retail | 2016 |
| Goods Station Road (Tunbridge Wells) Management Company Limited | Households | 2020 |
| Goodwin LEE Investments Limited | Administrative & support | 2008 |
| Goose Consultancy Services Limited | Professional & scientific | 2018 |
| GOS Happenings Limited | Administrative & support | 2006 |
| Gosling Build Limited | Construction | 2026 |
| Gosling Groundworks Limited | Construction | 2025 |
| Gouldsmith Locke Limited | Other services | 2016 |
| Gourmet 7AQ Limited | Hospitality | 2023 |
| GP Capital Limited | Professional & scientific | 2015 |
| GP26 Limited | Other services | 2024 |
| GPS Marketing AI Limited | Professional & scientific | 2025 |
| Grace Claire Properties Limited | Other services | 2022 |
| Grace Hunter Ltd | Financial services | 2016 |
| Graceful Equestrian Limited | Administrative & support | 2025 |
| Gradwick Limited | Professional & scientific | 2021 |
| Graham Baker Engineering Limited | Professional & scientific | 2004 |
| Granada Property Lettings Ltd | Real estate | 2009 |
| Grand Bright Prosperity Limited | Wholesale & retail | 2025 |
| Grangemount Health Ltd | Professional & scientific | 2019 |
| Graphene Building Group Ltd | Construction | 2020 |
| Gray Earl Media Ltd | Information & communication | 2009 |
| Grayling Aviation Services Limited | Professional & scientific | 2021 |
| Grays Geoconsulting Ltd | Professional & scientific | 2024 |
| Green Box Building Services Ltd | Construction | 2023 |
| Green Naga Limited | Hospitality | 2025 |
| Green OPS Limited | Professional & scientific | 2019 |
| Green Signs Limited | Professional & scientific | 2013 |
| Green Sky Capital Ltd | Other services | 2021 |
| Greenband Direct Ltd | Construction | 2025 |
| Greenbar Consulting Ltd | Professional & scientific | 2026 |
| Greenchem (Solutions) Limited | Manufacturing | 2004 |
| Greener Pastures-Sustainable Solutions for Businesses Ltd | Professional & scientific | 2022 |
| Greens Building Contractors Ltd | Construction | 2024 |
| Greensand Holdings Limited | Real estate | 2016 |
| Greensand Multi Academy Trust | Education | 2017 |
| Gregori & Lara Veterinary Specialists Limited | Financial services | 2016 |
| Gresham Bookkeeping Limited | Professional & scientific | 2013 |
| Greymint Ltd | Professional & scientific | 1998 |
| Greystones Transformation Services Ltd | Professional & scientific | 2015 |
| Griffink Limited | Professional & scientific | 2016 |
| Grounded Creative Ltd | Professional & scientific | 2024 |
| Groundown Property Management Limited | Real estate | 2000 |
| Grown UP Dragon Ltd | Hospitality | 2014 |
| Gubbio Estate Limited | Construction | 2007 |
| Gudfur Ltd | Wholesale & retail | 2021 |
| Guttner Consulting Limited | Information & communication | 2016 |
| GUY Harvey Limited | Other services | 2010 |
| GUY Planning & Design Ltd | Professional & scientific | 2019 |
| Gwella Consulting Limited | Professional & scientific | 2008 |
| Gwyn's Bakery Ltd | Manufacturing | 2020 |
| Gwyndale Reigate Road Limited | Households | 2006 |
| H & R Industries Limited | Real estate | 2016 |
| H-Kay Limited | Information & communication | 2016 |
| H. Hocken Limited | Real estate | 1927 |
| H.G.H. Groundworks Limited | Construction | 2000 |
| H20 Direct Limited | Wholesale & retail | 2004 |
| Haarlem Software Limited | Information & communication | 2015 |
| Hachna Limited | Real estate | 2019 |
| Hadeda Films Limited | Information & communication | 2025 |
| Hair at Casablanca Limited | Other services | 2010 |
| Halbren Homes Limited | Construction | 1982 |
| Halkin Finance Limited | Professional & scientific | 2021 |
| Halkin Investments Holdings Limited | Professional & scientific | 2019 |
| Halkin Real Estates Limited | Administrative & support | 2016 |
| Halliwell Financial Services Ltd | Financial services | 2023 |
| Halliwell Marks Ltd | Real estate | 2011 |
| Halse Tech Ltd | Information & communication | 2015 |
| Halsey Garton Property Ltd | Professional & scientific | 2014 |
| Halsey Garton Residential Ltd | Real estate | 2014 |
| Halsys Ltd. | Information & communication | 2015 |
| Hamid Tavassoly Coaching Ltd | Professional & scientific | 2012 |
| Hampshire Heating and Plumbing Services Limited | Construction | 2011 |
| HAN Gwang Food Co. Ltd | Wholesale & retail | 2025 |
| Hand Data Systems Limited | Information & communication | 1991 |
| Hanson & Sons Ltd | Real estate | 2019 |
| Happy Feet Song & Dance Company Limited | Education | 2010 |
| Happy House Cornwall Ltd | Hospitality | 2019 |
| Happy House Suffolk Ltd | Hospitality | 2015 |
| Happy Inn New Cross Ltd | Hospitality | 2022 |
| Harex Limited | Extraterritorial | 2008 |
| Harley Street Clinic HS Ltd | Health & social care | 2022 |
| Harry Ramsden's Limited | Hospitality | 2020 |
| Hart Energy Consultants LLP | | 2002 |
| Hartswood Barns (Reigate) Limited | Households | 1991 |
| Harvey Court (RH1 1DT) Freehold Limited | Households | 2023 |
| Harville Limited | Financial services | 2012 |
| Hatay Restaurant Ltd | Hospitality | 2024 |
| Hawthorn UK Developments Ltd | Construction | 2014 |
| Hayes Financial Planning Limited | Professional & scientific | 2018 |
| Hayes Wills and Estate Planning Limited | Professional & scientific | 2023 |
| Hayling Print Limited | Manufacturing | 2011 |
| Haynes Associates Ltd. | Professional & scientific | 2015 |
| Hays Collections Ltd | Administrative & support | 2025 |
| Hazelbourne Digital Ltd | Professional & scientific | 2021 |
| Hazelwick Mews Ltd | Real estate | 2021 |