| Hand Car Wash Ltd | Administrative & support | 2016 |
| Hanley Vineyard Ltd | Manufacturing | 2023 |
| Hargun Bespoke Mortgages Ltd | Financial services | 2022 |
| Harley Hounds RAW Food Supplies Limited | Wholesale & retail | 2024 |
| Harper & Daughter’S Ltd | Real estate | 2022 |
| Harper Group Construction Limited | Construction | 1922 |
| Harper Group Management Limited | Construction | 2009 |
| Harper Group PLC | Construction | 1984 |
| Harper Property and Lettings Limited | Real estate | 2020 |
| Harrison Murray Estates Limited | Real estate | 2023 |
| Harry Ward 180 Limited | Arts & recreation | 2026 |
| Harts Hill Electrical Contractors Limited | Construction | 2026 |
| Harvey Developments Limited | Construction | 2013 |
| Harvie Property Group Limited | Real estate | 2026 |
| Hashim Trade Ltd | Construction | 2017 |
| Havacre Limited | Construction | 2018 |
| Haven Milestone Estates Limited | Real estate | 2020 |
| Hawking Electrotechnology Limited | Manufacturing | 2008 |
| Hawksvale Limited | Real estate | 2018 |
| Hawthorne & Walker Fine Foods Limited | Hospitality | 2010 |
| Hayes Interiors Limited | Wholesale & retail | 2024 |
| Hayley Windows Design & Installation Limited | Manufacturing | 2001 |
| Hayward Black Media Limited | Professional & scientific | 2013 |
| HB3 Properties Limited | Real estate | 2025 |
| Headley Logs Limited | Agriculture & fishing | 2023 |
| Heatflow Contracts Limited | Construction | 2003 |
| Heathbrook Resin Flooring Ltd | Construction | 2023 |
| Heathens Next Generation Speedway Limited | Arts & recreation | 2023 |
| Heaton Bennett Homes Ltd | Construction | 2022 |
| Helen Owens Education Ltd | Education | 2018 |
| Henley Refrigeration Limited | Manufacturing | 1993 |
| Henlocke Homes Limited | Real estate | 2021 |
| Hepsibah Shops International Ltd | Wholesale & retail | 2025 |
| Hera Homes Ltd | Real estate | 2020 |
| Hesellic Limited | Other services | 2011 |
| Hickens Utility Services Ltd | Construction | 2020 |
| Higgs Secretarial Limited | Professional & scientific | 2005 |
| Higgs Trust Corporation Limited | Professional & scientific | 2017 |
| High Oak Care Limited | Health & social care | 2012 |
| High Park Antiques Limited | Real estate | 1978 |
| High Street Super Market 1 Ltd | Wholesale & retail | 2022 |
| High-End Health Care UK Limited | Administrative & support | 2023 |
| Hikmaty Ltd | Real estate | 2025 |
| Hillwood Holdings Ltd | Real estate | 2025 |
| Himley Windows Limited | Construction | 2026 |
| Hingley Brothers Holdings Ltd | Financial services | 2024 |
| Hingley Group Limited | Construction | 2025 |
| Hingley Trailers Ltd | Manufacturing | 2020 |
| Hingley Transport Limited | Transport & logistics | 2015 |
| Hinton Perry & Davenhill Limited | Manufacturing | 1958 |
| Hips Architectural Ironmongery Limited | Professional & scientific | 1999 |
| Hison Holdings Limited | Financial services | 2017 |
| Hison Services Limited | Professional & scientific | 1958 |
| HJB Botterman Limited | Real estate | 2025 |
| HJK Asset Management Ltd | Manufacturing | 2008 |
| Hksc Limited | Wholesale & retail | 2019 |
| HM2S Transport Ltd | Transport & logistics | 2025 |
| HMC06 Limited | Arts & recreation | 2025 |
| HNS Steel Buildings Ltd | Construction | 2023 |
| Holistic Elevation Limited | Health & social care | 2023 |
| Holloway Security Ltd | Administrative & support | 2020 |
| Holly Farm Holdings Limited | Financial services | 2019 |
| Holly Farm Limited | Construction | 1976 |
| Hollybank Environmental Limited | Mining & quarrying | 2025 |
| Hollybank Quarry Limited | Mining & quarrying | 2019 |
| Home Appliance Repair & Parts Ltd | Other services | 2008 |
| Home Grill Ltd | Hospitality | 2020 |
| Home Reach Logistics Ltd | Transport & logistics | 2025 |
| Home-Start Dudley | Health & social care | 2005 |
| Homekey Developers Ltd | Construction | 2025 |
| Homestyle Kitchens Bathrooms & Tiles Limited | Wholesale & retail | 2008 |
| HOO Brook Stores Group Limited | Financial services | 2020 |
| HOO Brook Stores Ltd | Wholesale & retail | 2011 |
| Hopleys Farm Service Station Ltd | Wholesale & retail | 2003 |
| Horizon Freeholds Limited | Real estate | 2020 |
| Horizon Property Ventures Limited | Real estate | 2016 |
| Horizon Spaces Ltd | Real estate | 2025 |
| Horizon Transport Services Ltd | Transport & logistics | 2024 |
| Horizons Genealogy Ltd | Information & communication | 2021 |
| Horseshoe Gardens Management Company Limited | Professional & scientific | 2003 |
| Hospital Management Group Ltd | Professional & scientific | 2022 |
| Hotchkiss Transport and Training Ltd | Transport & logistics | 2025 |
| Hotel and Resort Marketing Services Ltd | Professional & scientific | 2022 |
| House of Comfort CIC | Education | 2026 |
| House of Singh Limited | Real estate | 2026 |
| Houseman Metal Recycling Ltd | Wholesale & retail | 2019 |
| Hp&D Holdco Limited | Manufacturing | 2019 |
| Hp&D Properties Limited | Real estate | 2018 |
| HP14 Properties Ltd | Real estate | 2024 |
| HR Services & Solutions Limited | Professional & scientific | 2017 |
| HRF Property Investments Limited | Real estate | 2021 |
| HRS Housing Ltd | Real estate | 2021 |
| HS2 Safety Solutions Ltd | Professional & scientific | 2025 |
| Hudson Havens Limited | Hospitality | 2026 |
| Hudsons (Properties) Limited | Real estate | 1995 |
| Hudsons of Dudley Limited | Wholesale & retail | 1964 |
| Hudsons Properties (Holdings) Limited | Extraterritorial | 2008 |
| Hulbert Engineering Limited | Wholesale & retail | 1999 |
| Hulbert Properties Limited | Real estate | 1973 |
| Hulbert Property Developments Limited | Professional & scientific | 2005 |