| H C C Roofing Ltd | Construction | 2020 |
| H C Estates Limited | Real estate | 2015 |
| H Casey Professionals Ltd | Health & social care | 2022 |
| H D L Limited | Other services | 1995 |
| H G Design (Sutton Coldfield) Limited | Professional & scientific | 2013 |
| H G S E Investments Limited | Real estate | 2016 |
| H H Plumbing and Heating Limited | Construction | 2023 |
| H Johnson & Sons Ltd | Extraterritorial | 2009 |
| H K M Photography Limited | Professional & scientific | 2024 |
| H L Property Company Limited | Real estate | 2002 |
| H Rayar Limited | Education | 2009 |
| H T C Meats Limited | Wholesale & retail | 2020 |
| H Williams Mortgages Ltd | Financial services | 2025 |
| H Williams Real Estate Ltd | Real estate | 2025 |
| H&D Shakespeare Ltd | Health & social care | 2024 |
| H&I Partners Limited | Hospitality | 2017 |
| H&S Herbal Nest Ltd | Other services | 2024 |
| H. Eaton and Sons Holdings Limited | Extraterritorial | 2016 |
| H. Hill Funeral Service Limited | Extraterritorial | 1980 |
| H.A.Harrold & SON Limited | Extraterritorial | 1958 |
| H.Copeland & SON Limited | Extraterritorial | 1948 |
| H.D. Ricketts Limited | Transport & logistics | 1977 |
| H.Eaton & Sons Limited | Extraterritorial | 1962 |
| H.G.Brown & Sanders,Limited | Extraterritorial | 1938 |
| H.J. Dawson Limited | Extraterritorial | 1940 |
| H.J. Whalley & Sons Limited | Extraterritorial | 2000 |
| H.J.Phillips & Son(Funeral Directors)Limited | Extraterritorial | 1947 |
| H.Leslie Humphreys Limited | Extraterritorial | 1957 |
| H.R.H. Holdings Limited | Extraterritorial | 1995 |
| H.Tonkin Limited | Extraterritorial | 1968 |
| H185 Ltd | Health & social care | 2018 |
| H20 Plumbing Services Limited | Construction | 1997 |
| H2A Medical Ltd | Health & social care | 2025 |
| H2H Communications Ltd | Professional & scientific | 2018 |
| Habe Solutions Ltd | Professional & scientific | 2024 |
| Habitat Court Management Limited | Households | 1981 |
| Hace Ventures Limited | Real estate | 2021 |
| Hackett Development and Design Limited | Construction | 2020 |
| Hackett Enterprises Limited | Wholesale & retail | 2026 |
| Hackett Homes Limited | Administrative & support | 2017 |
| Hadfield Bridleworks Limited | Manufacturing | 1995 |
| Hadley Capital Limited | Real estate | 2022 |
| Hadley Green Jewellery Ltd | Manufacturing | 2021 |
| Hagley CPK Ltd | Hospitality | 2023 |
| Hagley Interiors Ltd | Professional & scientific | 2020 |
| Haig & Co Limited | Administrative & support | 2014 |
| Haigh & Co Limited | Professional & scientific | 2013 |
| Hail Group Services Ltd | Construction | 2026 |
| Hair Club for MEN Limited | Other services | 1992 |
| Hair DEN KL Ltd | Other services | 2024 |
| Hairlusion Academy Ltd | Education | 2026 |
| Haisrialda Limited | Financial services | 2017 |
| Hakka Ltd | Wholesale & retail | 2022 |
| Halcon Property Ltd | Real estate | 2016 |
| Hale Beauty Sutton Coldfield Ltd | Other services | 2024 |
| Halebrose Mansion Limited | Households | 2000 |
| Halesowen Boys Ltd | Administrative & support | 2018 |
| Hall END Services Ltd | Wholesale & retail | 2015 |
| Hall Financial Planners Ltd | Financial services | 2015 |
| Hallington Holdings Ltd | Agriculture & fishing | 1980 |
| Hallmark Warranties Limited | Extraterritorial | 2006 |
| Halloumi Express Ltd | Hospitality | 2019 |
| Hallowmore Limited | Wholesale & retail | 2017 |
| Halsinger Ltd | Administrative & support | 2022 |
| Haltwood Limited | Construction | 2018 |
| HAM Baker Flow Control Limited | Manufacturing | 2022 |
| HAM Baker Industrial Valves Limited | Manufacturing | 2022 |
| HAM Baker Valves Limited | Manufacturing | 2022 |
| Hambrook & Johns Limited | Extraterritorial | 1965 |
| Hamed Fast Food Ltd | Hospitality | 2024 |
| Hamilton Asset Finance Limited | Wholesale & retail | 2011 |
| Hamilton Medical UK Ltd | Professional & scientific | 2009 |
| Hamilton Munro Ltd | Administrative & support | 2018 |
| Hamilton Property & Investments Ltd | Real estate | 2021 |
| Hammond Ventures Ltd | Financial services | 2024 |
| Hamprop Ltd | Real estate | 2024 |
| Hampton Works(Stampings),Limited(The) | Manufacturing | 1935 |
| Hamstead Industrial Estate Management Limited | Households | 2022 |
| Hanbury Leisure Company Ltd | Administrative & support | 2026 |
| Hancox GAS & Plumbing Limited | Other services | 2014 |
| Hand Picked Drinks Limited | Wholesale & retail | 2024 |
| Handbagholdco Ltd | Professional & scientific | 2018 |
| Handydan Limited | Arts & recreation | 2019 |
| Hang 6 Ltd | Wholesale & retail | 2021 |
| Hanley & Jones Limited | Administrative & support | 2003 |
| Hanley Building & Landscapes Limited | Administrative & support | 2018 |
| Hannah CLP Limited | Professional & scientific | 2025 |
| Hannah Wood Creative Limited | Professional & scientific | 2015 |
| Hanningtons (Funeral Directors) Limited | Extraterritorial | 1993 |
| Hanoby Property Investments Limited | Real estate | 2015 |
| Hansen-Burn Limited | Health & social care | 2008 |
| Hanson Grey Polymer Consulting Ltd | Professional & scientific | 2018 |
| Hanwei Management Ltd | Professional & scientific | 2022 |
| HAP Pharma Ltd | Professional & scientific | 2020 |
| Happier Better Limited | Wholesale & retail | 2026 |
| Happy MAT Yoga Ltd | Arts & recreation | 2024 |
| Happyself Ltd | Wholesale & retail | 2018 |
| HAQ Consulting Limited | Professional & scientific | 2020 |
| Hardacres Funeral Directors Limited | Extraterritorial | 1994 |
| Harden Asset Management PVT Ltd | Real estate | 2022 |