| Halesowen Engines (2008) Limited | Administrative & support | 1998 |
| Halesowen Engines Limited | Wholesale & retail | 2008 |
| Halesowen Fish Bar PVT Ltd | Hospitality | 2025 |
| Halesowen Golf Club (2008) Limited | Arts & recreation | 2008 |
| Halesowen Golf Club Limited(The) | Arts & recreation | 1913 |
| Halesowen Investment Company Limited | Real estate | 1958 |
| Halesowen Motors Ltd | Wholesale & retail | 2023 |
| Halesowen Riding School Ltd | Education | 2023 |
| Halesowen Sealants Limited | Construction | 2015 |
| Halesowen Self Drive Limited | Administrative & support | 2021 |
| Halesowen Steel Container Storage Limited | Other services | 2017 |
| Halesowen Town Football Club 1873 Limited | Arts & recreation | 2009 |
| Halesowen Valeting Centre Ltd | Administrative & support | 2025 |
| Halesowen Vehicle Sales Ltd | Wholesale & retail | 2023 |
| Halesowen Vehicle Services Ltd | Wholesale & retail | 2015 |
| Halesowen Vehicle Solutions Ltd | Wholesale & retail | 2025 |
| Halesowen Windows and Doors Limited | Manufacturing | 2012 |
| Halesowen Windows Holdings Limited | Manufacturing | 2018 |
| Halesowen Windows Limited | Manufacturing | 1980 |
| Hallow Specimen Fisheries Ltd | Arts & recreation | 2021 |
| Hamdi Alguwer Ltd | Construction | 2023 |
| Hammond's Fleet Care Limited | Wholesale & retail | 2010 |
| Hampton Printing (London) Limited | Extraterritorial | 2019 |
| Hannah Consultancy Ltd. | Financial services | 1998 |
| Hannah Legal Limited | Financial services | 2025 |
| HAP Care Home Ltd | Health & social care | 2018 |
| Harland Fire and Security Ltd | Administrative & support | 2025 |
| Harmony Enterprises Ltd | Wholesale & retail | 2019 |
| Harons Houses Ltd | Households | 2025 |
| Haroun Mohammed Ltd | Construction | 2024 |
| Harper Homes Limited | Construction | 1987 |
| Harper Small Works Ltd | Construction | 2010 |
| Harradine Technical Services Limited | Professional & scientific | 2019 |
| Harriet Evans Consulting Limited | Professional & scientific | 2021 |
| Harris Lift Services Limited | Manufacturing | 2014 |
| Harrison Baker Music Ltd | Information & communication | 2024 |
| Harrison Design & Consulting Limited | Professional & scientific | 2014 |
| Harrys Kitty Limited | Professional & scientific | 2014 |
| Hart Hardware Limited | Extraterritorial | 2010 |
| Hart Ironmongery Limited | Wholesale & retail | 2010 |
| Hartgray Properties Ltd | Real estate | 2024 |
| Hartland Tech Search Ltd | Administrative & support | 2014 |
| Harval Limited | | 1988 |
| Harvest Communications Limited | Professional & scientific | 2017 |
| Harvington Road RTM Company Limited | Administrative & support | 2017 |
| Hasan Adnan TM Ltd | Construction | 2024 |
| Hasbury Community Association | Other services | 2013 |
| Hasbury Motors Limited | Wholesale & retail | 2010 |
| Hashsters Limited | Information & communication | 2022 |
| Hassan Mohammed TM Ltd | Construction | 2024 |
| Hav-Hope and Action Ventures CIC | Education | 2025 |
| Haven Street Holdings Limited | Financial services | 2017 |
| Havenlea Homes Ltd | Health & social care | 2025 |
| Hawkeswood Property Consultancy Limited | Professional & scientific | 2010 |
| Hawkshead Consultancy Ltd | Professional & scientific | 2023 |
| Hawley Associates Limited | Professional & scientific | 1998 |
| Hawne Court Management Company Limited | Real estate | 1997 |
| Haybridge Motor Company Ltd | Wholesale & retail | 2024 |
| Haycock(Builders)Limited | Construction | 1974 |
| Hayden Williams Property Consulting Ltd | Real estate | 2023 |
| Hayles Consulting Ltd | Professional & scientific | 2010 |
| Hayley Green Building & Paving Solutions Limited | Construction | 2011 |
| Hayley Green Investments Ltd | Financial services | 2022 |
| Hayley Group Holding Limited | Professional & scientific | 2016 |
| Hayley Holdings Limited | Professional & scientific | 1989 |
| Hayley-Dirs Limited | Manufacturing | 2024 |
| Haynes Professionals Ltd | Health & social care | 2022 |
| Haywood Developments Ltd | Construction | 2001 |
| Haywood Homes (Wales) CR Limited | Extraterritorial | 2009 |
| Haywood Homes (Wales) GL Limited | Construction | 2009 |
| Haywood Homes (Wales) Holdings Limited | Financial services | 2011 |
| HBI Investment Ltd | Extraterritorial | 2016 |
| HCH Care Limited | Health & social care | 2014 |
| HDG Holding Company Limited | Professional & scientific | 2020 |
| HE5 Ltd | Construction | 2023 |
| Headland Engineering Limited | Professional & scientific | 2018 |
| Headstock Distribution Limited | Manufacturing | 1980 |
| Healers Global Limited | Information & communication | 2026 |
| Healing With Teeling Limited | Other services | 2025 |
| Health N More Ltd | Public administration | 2022 |
| Healthplan Limited | Wholesale & retail | 2010 |
| Heaney Smith Limited | Professional & scientific | 2018 |
| Heart Sound Ltd | Wholesale & retail | 2024 |
| Heat Central GAS Ltd | Construction | 2018 |
| Heathrow Shuttle Limited | Transport & logistics | 2016 |
| Hedgerow Contractors Limited | Administrative & support | 2021 |
| Hedgerow Environmental Limited | Extraterritorial | 2021 |
| Heer Jewellery House Ltd | Wholesale & retail | 2024 |
| Heim Group Ltd | Professional & scientific | 2021 |
| Heinkel Trojan Club Limited | Other services | 1995 |
| Helen E Hair and Beauty Products Limited | Wholesale & retail | 2000 |
| Helendale Property Limited | Real estate | 2025 |
| Helter-Skelter Ltd | Professional & scientific | 2014 |
| Helthia Limited | Wholesale & retail | 2018 |
| HEM Places Limited | Real estate | 2026 |
| Hem-Spaces Limited | Real estate | 2014 |
| Henbrook Gardens Management Company Limited | Households | 2019 |
| Henley Garden Buildings Ltd | Construction | 2021 |
| Henoc Ltd | Energy | 2018 |
| Herbaceous Consulting Ltd | Health & social care | 2022 |