| Healinghandshaven Limited | Education | 2024 |
| Health Connect Services Ltd | Administrative & support | 2020 |
| Health Haven Enterprise Ltd | Financial services | 2025 |
| Health Literacy UK CIC | Health & social care | 2025 |
| Health Safety Care Limited | Public administration | 2025 |
| Healthcare Systems Limited | Information & communication | 2011 |
| HEALTHCAREUK2 Limited | Financial services | 2017 |
| Healthsys Care Limited | Administrative & support | 2025 |
| Healthy Drive Limited | Health & social care | 2015 |
| Healthyminds Adhd Ltd | Health & social care | 2026 |
| Heartbeat Promotions & Events Limited | Arts & recreation | 2017 |
| Hearts & Flowers Bloxwich Limited | Wholesale & retail | 2012 |
| Heartwood Solutions (Staffs) Limited | Financial services | 2017 |
| Heath Hayes Bakery Limited | Manufacturing | 2019 |
| Heath Subway Limited | Hospitality | 2016 |
| Heathgate Holdings Ltd | Real estate | 2025 |
| Heathyards Engineering Co. Limited | Manufacturing | 1974 |
| Heating Plus Limited | Professional & scientific | 2014 |
| Heating Spares and Controls Ltd | Wholesale & retail | 2023 |
| Heaton Electrical Limited | Construction | 2021 |
| Heatwave GAS and Heating Services Ltd | Construction | 2024 |
| Heaven Sent Cards & Gifts Ltd | Wholesale & retail | 2025 |
| Heavenly Desserts Walsall Ltd | Hospitality | 2018 |
| Heavenly Realms of Tranquility Limited | Health & social care | 2014 |
| Hedgehobs Limited | Health & social care | 2021 |
| Hednesford Bakery Limited | Manufacturing | 2021 |
| Heera Haulage Limited | Transport & logistics | 2017 |
| Heffernan HO Imaging Limited | Health & social care | 2022 |
| HEI Group Ltd | Professional & scientific | 2012 |
| HEI Holdings Ltd | Professional & scientific | 2007 |
| Heimdall Protective Tech Ltd | Professional & scientific | 2013 |
| Heisenport Ltd | Wholesale & retail | 2026 |
| Helayna Ltd | Health & social care | 2025 |
| Helical Energy Ltd | Professional & scientific | 2020 |
| Helios SOL Ltd | Information & communication | 2024 |
| Helix Insights Ltd | Information & communication | 2024 |
| Hell Beverages UK Ltd | Wholesale & retail | 2018 |
| Hellaw Ltd | Professional & scientific | 2024 |
| Hellhole Palms Limited | Wholesale & retail | 2016 |
| Help-Link UK Limited | Construction | 1998 |
| Helping Hand West Midlands Ltd | Education | 2025 |
| Helston Developments Ltd | Real estate | 2018 |
| Hemyah Limited | Financial services | 2022 |
| Hena House Limited | Hospitality | 2026 |
| Heneso Ltd | Other services | 2024 |
| Henleys Holdings Limited | Financial services | 2018 |
| Henleys Holdings NO. 2 Limited | Financial services | 2022 |
| Henleys Homebuyers Limited | Real estate | 2026 |
| Henleys Security Doors Limited | Administrative & support | 2013 |
| Henleys Security Services Limited | Administrative & support | 2018 |
| Henley`S Estate Management Limited | Real estate | 2005 |
| Henlle Developments Ltd | Construction | 2020 |
| Henlle Holdings Limited | Extraterritorial | 2015 |
| Henral Holdings Limited | Financial services | 2025 |
| Henri William Reese Limited | Professional & scientific | 2010 |
| Henry Boys & SON Limited | Professional & scientific | 1951 |
| Henry S.Tranter & Company Limited | Construction | 1962 |
| Henry Squire & Sons Holdings Limited | Professional & scientific | 2006 |
| Henry Squire & Sons International Limited | Professional & scientific | 2021 |
| Henry Squire & Sons Limited | Manufacturing | 1906 |
| Hensyl Limited | Health & social care | 2019 |
| Hephzi Limited | Administrative & support | 2025 |
| Hephzi Services Ltd | Administrative & support | 2013 |
| HER Holdings Ltd | Real estate | 2024 |
| Herbarium of Aldridge Limited | Wholesale & retail | 2007 |
| Hercules Robots Limited | Professional & scientific | 2022 |
| Heritage and Hill Investments Limited | Real estate | 2023 |
| Heritage Cinematics Ltd | Information & communication | 2020 |
| Heritage Consultancy Centre Limited | Professional & scientific | 2025 |
| Heritage Consulting Group Ltd | Professional & scientific | 2023 |
| Heritage Gate (UK) Limited | Real estate | 2020 |
| Heritage Homes (Residential) Limited | Construction | 2010 |
| Heritage Properties Hatfield UK Limited | Financial services | 2025 |
| Heritage Willsafe Limited | Professional & scientific | 1998 |
| Herline Ltd | Information & communication | 2025 |
| Hermeno Inc Ltd | Wholesale & retail | 2025 |
| Hermes Camper Van Hire Limited | Administrative & support | 2026 |
| Heroes Centre Limited | Education | 2018 |
| Herousbeauty Limited | Other services | 2025 |
| Hessleby ATL Limited | Real estate | 2025 |
| Hessleby Builds Limited | Construction | 2024 |
| Hessleby Essington Limited | Real estate | 2025 |
| Hessleby Holdings Ltd | Financial services | 2024 |
| Hessleby Homes Limited | Construction | 2020 |
| Hessleby Taylor Land & Developments Limited | Real estate | 2024 |
| Hetnoks Limited | Health & social care | 2023 |
| Hewitt Construct and Renovate Ltd | Construction | 2022 |
| Heybrook Ltd | Hospitality | 2019 |
| HGK Consultants Limited | Information & communication | 2012 |
| HGV Link Staffing Ltd | Administrative & support | 2025 |
| HH GAS and Heating Services Ltd | Construction | 2023 |
| HH Industries Limited | Wholesale & retail | 2016 |
| HH Manufacturing Ltd | Administrative & support | 2025 |
| HH ODH Limited | Financial services | 2024 |
| HH Three Spires Limited | Construction | 2025 |
| HH Usjs Ltd | Construction | 2023 |
| Hhbt Ltd | Transport & logistics | 2025 |
| HHH Commercial Ltd | Administrative & support | 2019 |
| HI (Home Improvements) Ltd | Construction | 2019 |
| HI Facilities Management Ltd | Administrative & support | 2024 |