| Gilbert & Co. Estates Limited | Construction | 2002 |
| GKK Properties Limited | Real estate | 2022 |
| Glasshouse Operations Ltd | Hospitality | 2017 |
| GLH Tech Limited | Information & communication | 2026 |
| Glitch VFX Ltd | Professional & scientific | 2014 |
| Globegale Associates Limited | Real estate | 1989 |
| GM - RAM Limited | Information & communication | 2007 |
| Gn-Carbon Ltd | Extraterritorial | 2022 |
| Goldhawk Interactive Limited | Information & communication | 2011 |
| Gomore Limited | Financial services | 2003 |
| Gpcompany Ltd | Manufacturing | 2018 |
| Graphcom Limited | Information & communication | 1999 |
| Graylands Veterinary Limited | Professional & scientific | 2022 |
| Green City Recycling Ltd | Water & waste | 2016 |
| Greenfish Education Ltd | Extraterritorial | 2011 |
| Greenlane Energy Ltd | Professional & scientific | 2023 |
| Greenology Properties Ltd | Construction | 2024 |
| GRL Plumbing and Services Ltd | Extraterritorial | 2022 |
| Grooms Court Management Ltd | Real estate | 1995 |
| Ground Tech Driveways and Patios Ltd | Construction | 2026 |
| Grumpy Bear Holdings Ltd | Financial services | 2025 |
| Gullrock Limited | Households | 1987 |
| GW & Gutter Cleaning Ltd | Administrative & support | 2024 |
| Habodes Ltd. | Real estate | 2018 |
| Halal Grocery Ltd | Wholesale & retail | 2023 |
| Hancfield Directors Limited | Professional & scientific | 2002 |
| Hancocks Gardens Ltd | Administrative & support | 2022 |
| Hands UP Communications Ltd | Professional & scientific | 2023 |
| Hanlon's Home Electrical Ltd | Construction | 2020 |
| Hannah White Productions Limited | Administrative & support | 2017 |
| Harmonic Software Systems Limited | Information & communication | 1999 |
| Harringtons Global (London) Ltd | Real estate | 2015 |
| Harris and SON Ltd | Construction | 2025 |
| Haven Advisors Limited | Professional & scientific | 2019 |
| Hawkhurst Court Management Company Limited | Households | 1985 |
| Haywards Restaurant Limited | Hospitality | 2016 |
| Headcode Ltd | Information & communication | 2026 |
| Heartfelt Photography Limited | Professional & scientific | 2008 |
| Heatmaster Plumbing & Heating Ltd | Construction | 2015 |
| Hedgerow Industries Ltd | Extraterritorial | 2017 |
| Helios Bidco Limited | Extraterritorial | 2018 |
| Helios Midco Limited | Extraterritorial | 2018 |
| Helios Topco Limited | Financial services | 2018 |
| Henry Harry Projects Ltd | Real estate | 2021 |
| Henry Lywood Roofing & Leadwork Ltd | Construction | 2024 |
| Henshaw Hyperbarics Ltd | Extraterritorial | 2020 |
| Herculean Consulting Ltd. | Professional & scientific | 2009 |
| Hereford Curry Limited | Hospitality | 2021 |
| Heritage Tutoring Ltd | Education | 2025 |
| High Barn Farm Equestrian Limited | Agriculture & fishing | 2020 |
| Hilland Farm Limited | Transport & logistics | 2019 |
| Holder Fire Protection Services Ltd | Other services | 2007 |
| Holly Lane Residents Management Company Limited | Households | 2023 |
| Home Counties Surveying Ltd | Professional & scientific | 2025 |
| Homeside Services Limited | Wholesale & retail | 2006 |
| Hopton Hill Limited | Professional & scientific | 2013 |
| Hurst Laundry Limited | Other services | 2022 |
| Hyesfield Partners Ltd | Professional & scientific | 2021 |
| Hylton Park Conveyancers Limited | Administrative & support | 1986 |
| Idolsfold Advisory Services Limited | Professional & scientific | 2025 |
| Ifold Garage Limited | Wholesale & retail | 2022 |
| Ignite Talent Limited | Arts & recreation | 2016 |
| Ilex Holding Ltd | Real estate | 2022 |
| Impact Stories Consulting Ltd | Professional & scientific | 2024 |
| Imperial Lotus (South East) Limited | Other services | 2020 |
| Impossible Music Limited | Information & communication | 2019 |
| Incremental Engineering Limited | Manufacturing | 2018 |
| INFINITYCARE365 Ltd | Health & social care | 2022 |
| Inna Nutshell Limited | Information & communication | 1998 |
| Iosnow Limited | Information & communication | 2015 |
| Ithaka B Ltd | Wholesale & retail | 2023 |
| J & T Corporation Limited | Administrative & support | 1998 |
| J F Correale Limited | Manufacturing | 2006 |
| J Wilkinson Financial Planning Limited | Financial services | 2026 |
| J.C. Allfrey & Co. Limited | Construction | 2005 |
| Jason Jenner Limited | Wholesale & retail | 2003 |
| JBF Property Maintenance Limited | Households | 2024 |
| Jean Delport Media Limited | Hospitality | 2025 |
| Jemcorp Ltd | Professional & scientific | 2012 |
| Jennisys Limited | Information & communication | 2005 |
| Jill Corbey Therapy Rooms Ltd | Health & social care | 2022 |
| JJ Build Services Ltd | Construction | 2025 |
| JND Professional Services Limited | Other services | 2010 |
| JON Norton Design Ltd | Professional & scientific | 2025 |
| Jonathan Lane Developments Limited | Professional & scientific | 2017 |
| JRB Holdings Limited | Information & communication | 2020 |
| Jtmc Limited | Information & communication | 2014 |
| Just Chaps Ltd | Wholesale & retail | 2024 |
| Just Equine Limited | Wholesale & retail | 2003 |
| K Quigley Ltd | Information & communication | 2016 |
| K Rayner Services Ltd | Education | 2024 |
| Karen J Burge Ltd. | Other services | 2002 |
| Karmar Limited | Real estate | 2004 |
| Kearl Groundworks & Construction Ltd | Construction | 2017 |
| Keenam Limited | Administrative & support | 2002 |
| Keenan Investments Limited | Real estate | 2002 |
| Kerala Spice House Limited | Hospitality | 2019 |
| Khaya Solutions Ltd | Construction | 2025 |
| Kijoma Solutions Ltd | Manufacturing | 2000 |
| Kinders Mtbc Ltd | Arts & recreation | 2022 |