| HKB Housing Investment Ltd | Real estate | 2024 |
| HKB Trading Limited | Administrative & support | 2020 |
| Hkcuk Limited | Transport & logistics | 2019 |
| Hkhr Consulting Limited | Information & communication | 2021 |
| Hkhr Estate Ltd | Real estate | 2022 |
| HKN Homes Ltd | Real estate | 2026 |
| HKP Consulting Limited | Professional & scientific | 2010 |
| HKR Chauffeur Ltd | Transport & logistics | 2025 |
| HKR Technologies Ltd | Information & communication | 2024 |
| Hkrand Estates Limited | Real estate | 2026 |
| Hkrv Assets Ltd | Real estate | 2022 |
| HKS Personnel Services Ltd | Professional & scientific | 2025 |
| HKS Ventures Ltd | Wholesale & retail | 2021 |
| HL8 Secure Ltd | Administrative & support | 2025 |
| Hlam Clients Limited | Transport & logistics | 2026 |
| Hldc Limited | Health & social care | 2024 |
| HLF Enterprises Ltd | Wholesale & retail | 2026 |
| HM and HM Ltd | Professional & scientific | 2025 |
| HM Biopharmz Ltd | Manufacturing | 2023 |
| HM Express Logistic Ltd | Transport & logistics | 2019 |
| HM Fish & Chips Ltd | Hospitality | 2025 |
| HM Foods Limited | Hospitality | 2014 |
| HM Group Limited | Wholesale & retail | 1983 |
| HM Lebanese Grill Ltd | Hospitality | 2025 |
| HM Property Lettings Limited | Real estate | 2016 |
| HM Security Solutions Limited | Administrative & support | 2025 |
| HMB Productions Limited | Information & communication | 2021 |
| HMB Property Maintenance Ltd | Construction | 2012 |
| HMD Automotives Ltd | Wholesale & retail | 2025 |
| HMH Nutrition Limited | Wholesale & retail | 2026 |
| HMK Medics Ltd | Administrative & support | 2012 |
| HMO Horizon Ltd | Professional & scientific | 2019 |
| HMP53 Ltd | Health & social care | 2022 |
| HMS 78 Ltd | Real estate | 2022 |
| HMY Automotive Ltd | Wholesale & retail | 2025 |
| HN Compassion Ltd | Health & social care | 2026 |
| HN Services London Ltd | Real estate | 2026 |
| Hn&J Ltd | Professional & scientific | 2018 |
| HNH Solutions Ltd | Other services | 2019 |
| HNJ Supplements Ltd | Wholesale & retail | 2025 |
| HNK Estates Ltd | Real estate | 2026 |
| HNM Maintenance Services Ltd | Construction | 2024 |
| Hnrg Property Limited | Real estate | 2022 |
| HNZ Investments Limited | Financial services | 2019 |
| Hoadley Production Ltd | Information & communication | 2026 |
| Hobbs 2 Cafe Ltd | Hospitality | 2026 |
| Hoftts Travels Ltd | Administrative & support | 2019 |
| Hogas Transport Ltd | Transport & logistics | 2022 |
| Hogfair Logistics Ltd | Transport & logistics | 2024 |
| HOH Distribution Ltd | Transport & logistics | 2020 |
| HOK Estates Ltd | Real estate | 2023 |
| Holbeche House Limited | Health & social care | 2020 |
| Holiday Leaves Travels & Tours (PVT) Limited | Administrative & support | 2025 |
| Holistic Homeopathy Ltd | Health & social care | 2020 |
| Hollis Property Investments Ltd | Construction | 2025 |
| Holloway H Ltd | Real estate | 2026 |
| Hollywood Salon Limited | Other services | 2016 |
| Holmes of Heathrow Limited | Transport & logistics | 1999 |
| Holsom Ltd | Hospitality | 2012 |
| Holywell-Halkyn Mining and Tunnel Company Limited | Professional & scientific | 1897 |
| HOM Developments Ltd | Construction | 2017 |
| Home & Cart Ltd | Wholesale & retail | 2025 |
| Home Away Estates Ltd. | Real estate | 2022 |
| Home Care Pro Ltd | Health & social care | 2024 |
| Home Express UK Ltd | Real estate | 2023 |
| Home Flooring (Bewdley) Limited | | 1973 |
| Home for Dreams Limited | Real estate | 2023 |
| Home From Home Rental Limited | Real estate | 2021 |
| Home Haven Woking Ltd | Wholesale & retail | 2026 |
| Home Heating Engineers Ltd | Construction | 2018 |
| Home Ideas Trading Ltd | Other services | 2017 |
| Home Park Consulting Limited | Other services | 2020 |
| Home Smart Group Ltd | Construction | 2015 |
| Home Sweet Home Care Services Ltd | Health & social care | 2025 |
| Home Tasty Food Limited | Hospitality | 2019 |
| Home West Management Ltd | Real estate | 2026 |
| Home Wholesalers Ltd | Wholesale & retail | 2026 |
| Home-Start Berkshire East | Health & social care | 2015 |
| Homearea Limited | Wholesale & retail | 1994 |
| Homecare Estates Limited | Real estate | 2018 |
| Homego Removals & Packing Ltd | Transport & logistics | 2025 |
| Homeland Holdings Ltd | Wholesale & retail | 2025 |
| Homeland Staffing Solutions Ltd | Administrative & support | 2022 |
| Homeland UK Ltd | Wholesale & retail | 2024 |
| Homes by Howlett Ltd | Construction | 2026 |
| Homes Development Ltd | Construction | 2018 |
| Homescreed Limited | Professional & scientific | 2010 |
| Homestead Guardians Limited | Real estate | 2023 |
| Homevy Ltd | Real estate | 2023 |
| Homeway Investments Ltd | Real estate | 2024 |
| Homies Estates Ltd | Real estate | 2025 |
| Homingly Ltd | Wholesale & retail | 2018 |
| Hommey International Ltd | Wholesale & retail | 2022 |
| Honey BEE Shelters Limited | Real estate | 2018 |
| Honey Mountain Homes Limited | Real estate | 2020 |
| Honey Mountain IT Solutions Limited | Information & communication | 2015 |
| Honey Transport Services Ltd | Transport & logistics | 2026 |
| Honeybadger Group Limited | Wholesale & retail | 2026 |
| Honeybadger Property Developments Limited | Construction | 2025 |
| Honeybadger Property Investments Limited | Real estate | 2025 |