| Gailforce Creative Ltd | Professional & scientific | 2017 |
| Game SET FLY Ltd | Arts & recreation | 2024 |
| Gayton Court Freehold Limited | Households | 2017 |
| Gctd Consulting Limited | Professional & scientific | 2010 |
| Gedi Academy Limited | Education | 2025 |
| Gemini Arts Ltd | Arts & recreation | 2022 |
| Generous Spirits Limited | Professional & scientific | 2020 |
| George Quinn Limited | Transport & logistics | 2014 |
| GGK Properties Limited | Real estate | 2017 |
| Gizzits and Gifts Ltd | Manufacturing | 2026 |
| Glass Bead Consulting (UK) Limited | Administrative & support | 2006 |
| Glass Canvas Studio Limited | Arts & recreation | 2025 |
| Glatton House Ltd | Real estate | 2025 |
| Glenalmond House Management Company Ltd. | Real estate | 1986 |
| Global Live Events Group Limited | Administrative & support | 2021 |
| Gloryland Group Ltd | Administrative & support | 2017 |
| Gltn Prjx Ltd | Professional & scientific | 2020 |
| Glycine Holdings Limited | Real estate | 2016 |
| GML 1001 Limited | Real estate | 2026 |
| Gninwod Services Ltd | Professional & scientific | 2016 |
| Gogglesquad Swim School Ltd | Education | 2025 |
| Gogglesquad Swimming School LLP | | 2024 |
| Gold Medals Media Limited | Information & communication | 2001 |
| Golden Cedar Homes Ltd | Construction | 2025 |
| Goldfinches Ltd | Professional & scientific | 2024 |
| Golern Ltd | Information & communication | 2018 |
| Graf Hunde Ltd | Other services | 2026 |
| Great Wight Properties Limited | Real estate | 2021 |
| Green and Lovely Ltd | Wholesale & retail | 2020 |
| Greystoat Limited | Information & communication | 2008 |
| Greystone Properties Limited | Real estate | 2018 |
| Grovewood Residents Company Limited | Real estate | 1969 |
| Grovewood Sandycombe Road Freehold Limited | Households | 2025 |
| Guestmate Ltd | Information & communication | 2025 |
| GV4 Advisory Limited | Professional & scientific | 2022 |
| GV4 Family Capital Limited | Financial services | 2022 |
| GVM Retail Ltd | Wholesale & retail | 2021 |
| Haindlproperties Ltd | Real estate | 2021 |
| Halford Road UK Ltd | Professional & scientific | 2021 |
| Hamer Homes Ltd | Construction | 2011 |
| Hampstead Services Group Ltd | Manufacturing | 2021 |
| Hampton Brunch Ltd | Hospitality | 2025 |
| Hampton Court Foods Ltd | Hospitality | 2021 |
| Hampton Court Homes Limited | Construction | 2009 |
| Hampton Court Windows Limited | Construction | 2020 |
| Hampton CRT (41 -45) Management Company Ltd | Households | 2026 |
| Happy Homes Living Limited | Real estate | 2019 |
| Hare Krishna Group Limited | Hospitality | 2019 |
| Harper & Edwards Limited | Construction | 1993 |
| Harrow Gardens Management Company Ltd | Households | 2015 |
| Harry Shepherd Ltd | Manufacturing | 2019 |
| Hawthorns Touring Park Limited | Arts & recreation | 2003 |
| Hayloft Development Limited | Construction | 2010 |
| HBS Electrical Ltd | Construction | 2025 |
| HCC Building Management (1/3) Limited | Households | 2001 |
| HDJ Furniture Ltd | Manufacturing | 2024 |
| Headfloss Films Limited | Professional & scientific | 2005 |
| Heath Gray Consulting Ltd | Professional & scientific | 2023 |
| HELIX3 Ltd | Administrative & support | 2025 |
| Hexagon Homes (Southern) Limited | Construction | 2004 |
| High Ridge Infrastructure Limited | Professional & scientific | 2025 |
| Himalaya Vajra Limited | Hospitality | 2022 |
| Hirosan Limited | Information & communication | 2025 |
| Honor MAY Design Limited | Real estate | 2024 |
| Horse Rangers NO 1 Limited | Arts & recreation | 2010 |
| Hot Rocks Catering and Events Ltd | Hospitality | 2014 |
| Hotham Hall Management Limited | Real estate | 1997 |
| HOW to Make Money Fast Ltd | Information & communication | 2025 |
| HR Selector Limited | Administrative & support | 2018 |
| HS Food and Wine Limited | Wholesale & retail | 2024 |
| Hughes Collett Limited | Professional & scientific | 1996 |
| Hurst Riverside Lands Limited | Administrative & support | 1965 |
| I P D C Limited | Other services | 2015 |
| I.R. Systems Limited | | 1982 |
| Image Repair and Alterations Ltd | Other services | 2023 |
| Import&Export Connections Limited | Manufacturing | 2024 |
| IN Cloud Mind Ltd | Professional & scientific | 2023 |
| Index AI Group Ltd | Information & communication | 2025 |
| Inhouse IT Support Limited | Information & communication | 2007 |
| Insight - Action - Results Limited | Information & communication | 2011 |
| Inspiration in Motion | Arts & recreation | 2014 |
| International Animal Welfare Ltd | Information & communication | 2015 |
| It's NOT Your Birthday BUT CIC | Health & social care | 2015 |
| J Look Services Ltd | Construction | 2015 |
| Jademere Limited | Real estate | 1993 |
| JB Logistics Consultancy Ltd | Professional & scientific | 2025 |
| JCR Effex Ltd | Information & communication | 2014 |
| Jcrc Company Limited | Real estate | 2014 |
| JD & AD Ltd | Other services | 2014 |
| Jdavis Consulting Limited | Administrative & support | 2014 |
| Jelly Wish Ltd | Information & communication | 2026 |
| JJW Event Services Ltd | Other services | 2022 |
| JM87 Consulting Ltd | Professional & scientific | 2022 |
| John LE Maire Compliance Limited | Professional & scientific | 2010 |
| John Rose Legal Limited | Professional & scientific | 2019 |
| John Rose Property Limited | Real estate | 2013 |
| Johnson Mcdonald Holdings Limited | Other services | 2024 |
| Journey Artisans Ltd | Administrative & support | 2025 |
| JP Garage Limited | Wholesale & retail | 2021 |
| Jtqs Ltd | Administrative & support | 2025 |