| Hinges and Brackets Limited | Wholesale & retail | 2011 |
| Hire Cruisers Limited | Transport & logistics | 2003 |
| Hire the High Street Ltd | Wholesale & retail | 2022 |
| Hirstwell Consulting Limited | Administrative & support | 2022 |
| Hitrade Limited | Wholesale & retail | 1991 |
| HJ Criddle Limited | Health & social care | 2019 |
| HK Property Estates Limited | Real estate | 2018 |
| Hkbp Limited | Real estate | 2012 |
| HL Hall (International) Limited | Wholesale & retail | 1984 |
| HLF Recruitment Limited | Administrative & support | 2019 |
| Hlphomes Ltd | Real estate | 2022 |
| HLR Catering Ltd | Hospitality | 2026 |
| HM Contracting Services Ltd | Construction | 2025 |
| HM Dubai Holdings Ltd | Real estate | 2011 |
| HM K9 Academy Limited | Other services | 2019 |
| HM WOK Ltd | Hospitality | 2015 |
| HMA 19 Ltd | Transport & logistics | 2021 |
| HNH Properties and Homes Limited | Households | 2026 |
| Hoad Holdings Limited | Financial services | 2024 |
| Hobbi Crochet Ltd | Manufacturing | 2020 |
| Hobbs Plumbing Ltd | Construction | 2015 |
| Hodgetts Wolf Limited | Health & social care | 2013 |
| Hodgson Automotive Limited | Wholesale & retail | 1998 |
| Hodgson Films Limited | Information & communication | 2002 |
| HOF Media Publishing Ltd | Information & communication | 2019 |
| Holdbrook Christian Centre Limited | Extraterritorial | 2008 |
| Holdsworth Property Services Limited | Construction | 2018 |
| Holiday Home Lettings Limited | Real estate | 2022 |
| Holidays Hacker Ltd | Administrative & support | 2020 |
| Holland Reed Associates Ltd | Wholesale & retail | 2024 |
| Hollingbourne Farm (JA) Ltd | Agriculture & fishing | 2020 |
| Hollingdale Construction Ltd | Construction | 2020 |
| Hollow Lane Management Limited | Households | 2004 |
| Holly Jarvis Homes Ltd | Construction | 2020 |
| Hollyridge Estates Limited | Real estate | 2004 |
| Hollyridge Services Limited | Administrative & support | 2004 |
| Home DE Oasis Investments Limited | Real estate | 2023 |
| Home Etiquette Ltd | Households | 2017 |
| Home Ready Ltd | Real estate | 2021 |
| Home Style Interiors Ltd | Other services | 2017 |
| Homebuild and Partners Limited | Construction | 2019 |
| Homecare Unique Limited | Health & social care | 2013 |
| Homedane House RTM Company Ltd | Households | 2024 |
| Homefeel Ltd | Real estate | 2023 |
| Homeflair Maidstone Ltd | Wholesale & retail | 2014 |
| Homehill House RTM Company Limited | Households | 2025 |
| Homekey Residential Ltd | Real estate | 2025 |
| Homerent Lettings Ltd | Real estate | 2026 |
| Homested Studio Ltd | Professional & scientific | 2025 |
| Homestyle Blinds & Shutters Ltd | Wholesale & retail | 2015 |
| Honey and Crown Publishing Ltd | Information & communication | 2025 |
| Honeydell Block Management Ltd | Real estate | 2021 |
| Honeydell Ltd | Real estate | 2024 |
| Honeydell Properties Ltd | Extraterritorial | 2020 |
| Honeypot Day Nursery Limited | Health & social care | 2002 |
| Honeysuckle Mews Residents Company Limited | Households | 2005 |
| Hong Kong Nursing Association UK C.I.C. | Health & social care | 2021 |
| Honorum Group Ltd | Information & communication | 2016 |
| Hooked on Maintenance Ltd | Construction | 2022 |
| Hope House (Mevagissey) Limited | Households | 2021 |
| Hopgood Group Ltd | Transport & logistics | 2020 |
| Hord Services Ltd | Administrative & support | 2021 |
| Horizon Solutions (Kent) Limited | Information & communication | 2020 |
| HORIZON24 Healthcare Limited | Administrative & support | 2022 |
| Horizons Unleashed Ltd | Administrative & support | 2010 |
| Hornet Engineering Limited | Real estate | 1963 |
| Horsecloud Limited | Real estate | 2017 |
| Horseshoes Riding School Ltd | Arts & recreation | 2015 |
| Horsim Ltd | Wholesale & retail | 2021 |
| Horsley Childminding Ltd | Health & social care | 2018 |
| Horyzon Limited | Health & social care | 2023 |
| Hospitality Finder Limited | Wholesale & retail | 2014 |
| Hospitality Print Solutions Ltd | Manufacturing | 2025 |
| Hospitality Sports & Banqueting Club Limited | Wholesale & retail | 2004 |
| Hot 4 U Chicken Pizza Ltd | Hospitality | 2025 |
| Hot Totty Ltd | Extraterritorial | 2012 |
| Hot Trends Limited | Other services | 2004 |
| Hotshotz Inclusive Tennis C.I.C. | Education | 2025 |
| Hotshotz Tennis Ltd | Education | 2024 |
| Houdun Ltd | Wholesale & retail | 2025 |
| House 45 Ltd | Real estate | 2024 |
| House Hunch Ltd | Information & communication | 2026 |
| House of Artemis Limited | Professional & scientific | 2007 |
| House of Kraft Limited | Wholesale & retail | 2026 |
| House of Nails and Spa Limited | Other services | 2021 |
| Houselight Advisors Limited | Professional & scientific | 2024 |
| Howard Safety Consultants Ltd | Professional & scientific | 2026 |
| Howells-Cook Foods Limited | Hospitality | 2023 |
| Hoxby & Hoxby Ltd | Professional & scientific | 2023 |
| HP Four Investment LLP | | 2015 |
| HP Joinery and Cabinetmakers Ltd | Manufacturing | 2022 |
| HPC Industrial Ltd | Water & waste | 2012 |
| HPC Media Systems Limited | Information & communication | 2016 |
| Hpnr Limited | Other services | 2019 |
| HR Consulting Kent Ltd | Administrative & support | 2025 |
| HRF Electrical Ltd | Construction | 2017 |
| Hristoma Delivery Ltd | Transport & logistics | 2022 |
| Hronos Limited | Transport & logistics | 2010 |
| HS Services and Supplies Ltd | Wholesale & retail | 2024 |
| HSH Plot a Limited | Real estate | 2021 |