| HM Future Fuels Limited | Wholesale & retail | 2017 |
| HM Thames Ltd | Construction | 2012 |
| HMR Trade Co., Ltd | Wholesale & retail | 2023 |
| Hobby Models and Tools Limited | Wholesale & retail | 2016 |
| Hobby-Lines Limited | Wholesale & retail | 2020 |
| Hocz Ltd | Health & social care | 2015 |
| Hoeken Trading Limited | Wholesale & retail | 2024 |
| Holdcroft Digital Marketing Limited | Professional & scientific | 2019 |
| Holdfast Plumbing & Heating Ltd | Construction | 2013 |
| Holdinn Limited | Financial services | 2024 |
| Holiday Lodge Hub Limited | Hospitality | 2025 |
| Hollins Business Centre Limited | Real estate | 2016 |
| Hollins Training Services Ltd | Education | 2021 |
| Hollipops Limited | Hospitality | 2023 |
| Holmcroft Surgery GPF Limited | Professional & scientific | 2013 |
| Holmcroft Youth & Community Centre | Education | 2011 |
| Holmes in Heaven Limited | Other services | 2010 |
| Homate International Ltd | Extraterritorial | 2012 |
| Home Improvements Association Limited | Other services | 1998 |
| Home Weather Protection UK Ltd | Construction | 2026 |
| Hometrust Services Ltd | Construction | 2026 |
| Homsee Limited | Wholesale & retail | 2025 |
| HON WEI Industrial Co., Limited | Extraterritorial | 2007 |
| Hong Kong Hang Seng Auction Co., Ltd | Wholesale & retail | 2025 |
| Hong Kong Huangshi Medicine Group Co., Ltd | Professional & scientific | 2023 |
| Hong Kong Snow Lion Media Co., Limited | Information & communication | 2025 |
| Hongbang International Co., Ltd | Extraterritorial | 2017 |
| Hongtu Auto Limited | Wholesale & retail | 2025 |
| Hongzhen OIL Engineering & Technology Service Co., Ltd | Manufacturing | 2013 |
| Honu Development Group Ltd | Administrative & support | 2016 |
| Hopton Holdings Ltd | Financial services | 2017 |
| Hopton Training Limited | Real estate | 2008 |
| Hopuhnaig Ltd | Wholesale & retail | 2025 |
| Horizon Heatpumps Limited | Construction | 2024 |
| Horizon Point Strategy Limited | Professional & scientific | 2025 |
| Hornbeam Green Limited | Administrative & support | 2021 |
| Hornbyhire Ltd | Wholesale & retail | 2025 |
| Hornbyhorses Ltd | Manufacturing | 2025 |
| Hornbyhub Ltd | Professional & scientific | 2025 |
| Horse Fair Court Management Company Limited | Administrative & support | 2002 |
| Horse First Biomechanics Ltd | Arts & recreation | 2026 |
| Horsley Hall Apartments Limited | Households | 2023 |
| Horsley Huber Architects Limited | Professional & scientific | 2004 |
| Horsley Lane Limited | Transport & logistics | 2015 |
| Horsleys Commercial Contracts Ltd | Extraterritorial | 2014 |
| Horsleys of Stafford Holdings Limited | Financial services | 2020 |
| Horsleys of Stafford Limited | Transport & logistics | 2020 |
| Horton Rooms Limited | Hospitality | 2025 |
| Host & Guest Limited | Information & communication | 2018 |
| Hot WAX Label Services Ltd | Arts & recreation | 2024 |
| Hotian Medical International Group Ltd | Extraterritorial | 2022 |
| Hotpot Club Limited | Professional & scientific | 2025 |
| Hough Portable Events Limited | Energy | 2005 |
| House of Deville Ltd | Professional & scientific | 2026 |
| House of Nova Ltd | Professional & scientific | 2022 |
| Houseology Interiors Limited | Wholesale & retail | 2020 |
| Housing Energy Saving Group Ltd | Construction | 2026 |
| Housing Plus Group Finance Limited | Financial services | 2019 |
| Howard Homes (High ONN) Ltd | Real estate | 2024 |
| Howard Properties (Midlands) Ltd | Construction | 2017 |
| Howards Holdings Limited | Financial services | 2014 |
| Howards Limited | Professional & scientific | 2001 |
| HOWE2 Training & Consultancy Ltd | Education | 2022 |
| Howells Bradford Limited | Administrative & support | 2001 |
| Howells Property Investment Limited | Construction | 2012 |
| Howorth Financial Planning Ltd | Financial services | 2017 |
| HP2025 Limited | Real estate | 2025 |
| HQH Ltd | Hospitality | 2024 |
| HRM Consulting (Stafford) Ltd | Extraterritorial | 2023 |
| Hrsi Limited | Administrative & support | 2016 |
| HS Stafford Ltd | Hospitality | 2019 |
| HSH Homes Limited | Construction | 2021 |
| HSS Fabrications (Staffs) Limited | Manufacturing | 2017 |
| HUA HAN Sanitary Ware Co., Ltd. | Manufacturing | 2023 |
| Huachen Decoration & Construction Co., Ltd. | Construction | 2024 |
| Huafan Hengbo International Trade Ltd | Wholesale & retail | 2025 |
| Huasheng Vehicle Industry (UK) Limited | Manufacturing | 2025 |
| Huat Ltd | Professional & scientific | 2023 |
| Huayang Shipping Limited | Wholesale & retail | 2023 |
| Hubbhouse Limited | Information & communication | 2022 |
| Hubbub Crowd Ltd | Wholesale & retail | 2021 |
| Huge Power Trading Limited | Extraterritorial | 2014 |
| Hughes Container Service Limited | Arts & recreation | 1971 |
| Hugo Therm Limited | Construction | 2010 |
| Huhjhahbho Ltd | Wholesale & retail | 2025 |
| HUI Technology Ltd | Wholesale & retail | 2021 |
| Huierjia International Trade Co., Ltd | Extraterritorial | 2016 |
| Huizhi Ltd | Wholesale & retail | 2021 |
| Human Immune Health Union | Extraterritorial | 2021 |
| Humanoid Productions Ltd | Information & communication | 2009 |
| Hundak Import and Export Co., Limited | Wholesale & retail | 2023 |
| Hungarian Hot WAX Records Ltd | Information & communication | 2023 |
| Hunter Training Ltd Limited | Construction | 2025 |
| Husky Inns Ltd | Hospitality | 2019 |
| Hutchinson Investments Ltd | Financial services | 2025 |
| Hutsby Mees Limited | Professional & scientific | 2025 |
| HV Holdings Limited | Real estate | 2018 |
| Hvdc Technologies Limited | Professional & scientific | 2012 |
| Hvds Ltd | Wholesale & retail | 2013 |
| HWX International Limited | Wholesale & retail | 2026 |