| Gymshark Holdings Limited | Financial services | 2016 |
| Gymshark Ltd | Wholesale & retail | 2012 |
| Gymshark Nominees Limited | Administrative & support | 2021 |
| Gymshark Topco Limited | Financial services | 2025 |
| H & B Refurbishments Ltd | Construction | 2018 |
| H C B Property Limited | Real estate | 2025 |
| H C Vogel Properties Ltd | Real estate | 2024 |
| H Global Fashion Ltd | Wholesale & retail | 2019 |
| H H Development Management Limited | Real estate | 2021 |
| H K Builders Limited | Construction | 2017 |
| H Property One Limited | Real estate | 2022 |
| H T Couriers Limited | Transport & logistics | 2007 |
| H Tonks Technical and Mechanical Solutions Ltd | Manufacturing | 2024 |
| H&A Parmar Ltd | Wholesale & retail | 2023 |
| H&H Fencing and Landscaping Ltd | Administrative & support | 2024 |
| H&P Inns Ltd | Administrative & support | 2017 |
| H&S Expamet Limited | Professional & scientific | 1956 |
| H.A.S Productions Limited | Arts & recreation | 2022 |
| H.S.I.F Limited | Wholesale & retail | 2023 |
| H.W.Clifton Limited | Real estate | 1934 |
| H17 Ltd | Health & social care | 2020 |
| HA Medical Group Ltd | Health & social care | 2025 |
| Haadi DAR Ltd | Real estate | 2023 |
| Haart Energy Limited | Professional & scientific | 2012 |
| HABIT8 Limited | Real estate | 2018 |
| Habitat Aegis Ltd | Professional & scientific | 2024 |
| Hach DOT Ltd | Wholesale & retail | 2020 |
| Hadair Limited | Energy | 2017 |
| Hadith of the Day Limited | Education | 2011 |
| Hadley Electrical Contractors Limited | Construction | 2003 |
| Hafrag Ltd | Professional & scientific | 2021 |
| Haggerty Homes & Holdings Ltd | Construction | 2025 |
| Hagley Property Investments Limited Liability Partnership | | 2008 |
| Hague Rentals Limited | Real estate | 2013 |
| HAH Housing Ltd | Real estate | 2025 |
| Hair-K Ltd | Other services | 2024 |
| Haiteku Cafe Academy Ltd | Administrative & support | 2023 |
| Hakman Engineering Ltd | Construction | 2017 |
| Halal Consultations 2013 Limited | Professional & scientific | 2019 |
| Halal Consultations Ltd | Professional & scientific | 2022 |
| Halcyon & Co Ltd | Hospitality | 2015 |
| Hales Manor Drive (Halesowen) Management Company Limited | Households | 2024 |
| Halford Developments Limited | Construction | 2017 |
| Halfpenny Associates Limited | Professional & scientific | 2012 |
| Hall & Daughters Ltd | Professional & scientific | 2022 |
| Hall Farm Consulting 2 Limited | Professional & scientific | 2026 |
| Hall Farm Estate (Knowle) Management Company Limited | Real estate | 2014 |
| Hall Green Excavations Limited | Transport & logistics | 1984 |
| Hall Green Hire (Holdings) Limited | Financial services | 2021 |
| Hall Green Hire Limited | Administrative & support | 1997 |
| Hall Green Youth | Health & social care | 2006 |
| Hallam Park Residents Management Company Limited | Households | 2019 |
| Halletts Spaces Ltd | Construction | 2023 |
| Hallies Monkspath Ltd | Hospitality | 2026 |
| Hallmarc Investments Limited | Real estate | 2017 |
| Halo Academy Ltd | Education | 2024 |
| Halo Direct Ltd | Wholesale & retail | 2024 |
| Halo Health Clinics Ltd | Health & social care | 2024 |
| Halo Health Technologies Ltd | Wholesale & retail | 2021 |
| Halo Tech Limited | Information & communication | 2018 |
| Halo Transfers Ltd | Transport & logistics | 2022 |
| Halrron Limited | Wholesale & retail | 2025 |
| Halso Consulting Limited | Professional & scientific | 2019 |
| Halton Property Group Limited | Real estate | 2026 |
| Halton Ventures Limited | Financial services | 2026 |
| Hamblett Building Services Limited | Construction | 2010 |
| Hamid Bukhari Ltd | Real estate | 2021 |
| Hamilton Bray Limited | Arts & recreation | 2019 |
| Hamilton Road (Evesham) Limited | Construction | 2025 |
| Hamilton Sundstrand UK Holdings Limited | Manufacturing | 2000 |
| Hammond Corporate Facilities Ltd | Administrative & support | 2017 |
| Hammond Property Management Ltd | Construction | 2022 |
| Hamon R Ltd | Real estate | 2025 |
| Hamouche Properties Limited | Real estate | 2023 |
| Hampton and Hartley Investments LLP | | 2018 |
| Hampton Arkwell Limited | Professional & scientific | 2018 |
| Hampton Associates 2022 Ltd | Professional & scientific | 2022 |
| Hampton Computer Services Limited | Information & communication | 2005 |
| Hampton Consultancy Limited | Professional & scientific | 2019 |
| Hampton Decking Holdings Limited | Extraterritorial | 2021 |
| Hampton Decking Limited | Manufacturing | 2014 |
| Hampton Electrical (UK) Ltd | Construction | 2022 |
| Hampton Gate (Solihull) Management Company Limited | Households | 2017 |
| Hampton Homeware Limited | Wholesale & retail | 2021 |
| Hampton Junior Football Club Limited | Arts & recreation | 2009 |
| Hampton Key Solutions Ltd | Professional & scientific | 2018 |
| Hampton Landscaping Ltd | Administrative & support | 2016 |
| Hampton Manor Estates Limited | Real estate | 2020 |
| Hampton Manor Holdings Limited | Financial services | 2020 |
| Hampton Manor Leisure Limited | Construction | 2020 |
| Hampton Manor Limited | Hospitality | 1997 |
| Hampton PUB Company Ltd | Hospitality | 2024 |
| Hampton Road Developments Limited | Real estate | 2015 |
| Hampton Training Academy Ltd | Education | 2023 |
| Hampton's Education Limited | Administrative & support | 2021 |
| Hampton's People Group Limited | Administrative & support | 2021 |
| Hampton's Resourcing Limited | Administrative & support | 2013 |
| Hampton.Io Ltd | Information & communication | 2024 |
| Hamptons (Hermitage Road) Management Company Limited | Households | 2015 |
| Hamptons Wealth Management Limited | Financial services | 1988 |