| Hartswood Healthcare Ltd | Health & social care | 2025 |
| Hartup Planning Limited | Professional & scientific | 2007 |
| Harvest Hub Preston Ltd | Wholesale & retail | 2025 |
| Harvesters Fold Management Company Limited | Hospitality | 2000 |
| Harveys Carpets Ltd | Wholesale & retail | 2015 |
| Harvy IT Services Limited | Information & communication | 2021 |
| Harwood (1964) Holding Co Limited | Financial services | 2025 |
| Harwood Medical Services Limited | Health & social care | 2010 |
| Harwood Properties (1964) Limited | Financial services | 2025 |
| Harwood Retails Ltd | Wholesale & retail | 2025 |
| HAS Fmcg Ltd | Wholesale & retail | 2024 |
| Hasan Enterprises Limited | Real estate | 1999 |
| Hasankhan Mohamedkhan Pathan Ltd | Extraterritorial | 2023 |
| Hashtag Hosts Limited | Arts & recreation | 2018 |
| Hashtag HQ Limited | Information & communication | 2020 |
| Haslam Mould Creative Ltd | Arts & recreation | 2025 |
| Hasland Green Limited | Energy | 2013 |
| Haslo Digital Limited | Professional & scientific | 2021 |
| Hassan Apex Construction Ltd | Construction | 2026 |
| Hassan Khan Ltd | Extraterritorial | 2023 |
| Hatariy Ltd | Manufacturing | 2023 |
| Hatay Bolton Limited | Hospitality | 2023 |
| Hatim Traders Limited | Wholesale & retail | 2026 |
| Hats&More Ltd | Wholesale & retail | 2026 |
| Hatss&More Ltd | Wholesale & retail | 2026 |
| Haus & Korper Limited | Wholesale & retail | 2020 |
| Haus of Celest Ltd | Arts & recreation | 2024 |
| Haute Restaurant (Preston) Limited | Hospitality | 2016 |
| Haute World Group Limited | Professional & scientific | 2017 |
| Havencraft Properties Limited | Real estate | 2002 |
| Havenmere Housing Ltd | Real estate | 2025 |
| Havercroft Technology Limited | Information & communication | 2024 |
| Having a Bubble Football Ltd | Education | 2024 |
| Havlin Holdings Ltd | Financial services | 2025 |
| Havm Capital Limited | Financial services | 2024 |
| Havr Management Solutions Limited | Information & communication | 2018 |
| Havwoods Accessories Limited | Extraterritorial | 2021 |
| Hawk EYE Roofing Construction and Surveys Limited | Construction | 2024 |
| Hawk Steelwork Ltd | Extraterritorial | 2019 |
| Hawker Jones Solicitors Ltd | Professional & scientific | 2016 |
| Hawthorn & Horn Construction Ltd | Construction | 2026 |
| Hawthorn Investments (Europe) Limited | Real estate | 2022 |
| Hawthorns Property Solutions Ltd | Real estate | 2025 |
| Hayaat Properties Limited | Real estate | 2019 |
| Hayam Co Ltd | Wholesale & retail | 2025 |
| Hayat Foods (NW) Ltd | Hospitality | 2022 |
| Haydn Esmond Limited | Professional & scientific | 2019 |
| Hayfield Management Company Limited | Households | 2005 |
| Haygrove Property Limited | Administrative & support | 2016 |
| Hayhurst Holdings 2 Limited | Financial services | 2026 |
| Hayhurst Holdings Limited | Financial services | 2015 |
| Hayley Caine Consultancy Limited | Professional & scientific | 2017 |
| Hayley France TQ Limited | Administrative & support | 2019 |
| Hayleys Homecare Ltd | Health & social care | 2019 |
| Hayter Staveley Evans Limited | Extraterritorial | 2003 |
| Haywood & Sons Building Contractors Limited | Construction | 2013 |
| Haz's Automotive Group Ltd | Wholesale & retail | 2026 |
| Hazad Solutions Limited | Financial services | 2025 |
| Hazel Grove Car Solutions Ltd | Wholesale & retail | 2023 |
| HB Carpets Limited | Wholesale & retail | 2016 |
| HB Hutch Ltd | Hospitality | 2021 |
| HB Investments (NW) Ltd | Real estate | 2022 |
| HB Machinery Ltd | Wholesale & retail | 2020 |
| HB Plant and Construction Ltd | Construction | 2025 |
| HB Preston Ltd | Hospitality | 2025 |
| HB Property Gateway Limited | Real estate | 2022 |
| HB Sports Lancs Community Interest Company | Education | 2025 |
| HB Travel Ltd | Administrative & support | 2024 |
| HB Waqf Limited | Real estate | 2025 |
| Hbcc Events CIC | Hospitality | 2024 |
| HBM Consult Limited | Professional & scientific | 2025 |
| HBP (Holdings) Limited | Financial services | 2025 |
| HBS Eyecare Limited | Health & social care | 2015 |
| HBS Pharmacy Limited | Extraterritorial | 2013 |
| HC Leone Events Ltd | Hospitality | 2024 |
| Hccas Limited | Professional & scientific | 2016 |
| Hcmexperts Ltd | Information & communication | 2023 |
| Hcorptd Limited | Wholesale & retail | 2025 |
| HCS Group Limited | Financial services | 2018 |
| HCS Kitchens and Bathrooms Ltd | Construction | 2025 |
| HCS Properties Limited | Real estate | 2015 |
| Hctv Ltd | Information & communication | 2010 |
| HCX Logistics Limited | Transport & logistics | 2024 |
| HD Ilford Events Ltd | Hospitality | 2024 |
| HD Preston Limited | Wholesale & retail | 2015 |
| HD World Bolton Limited | Wholesale & retail | 2017 |
| HDC Logistics Ltd | Wholesale & retail | 2000 |
| Hdevents-Uk Ltd | Arts & recreation | 2026 |
| HDL Installations Limited | Construction | 2020 |
| Hdrrr Ltd | Wholesale & retail | 2026 |
| HDS Property Ventures Ltd | Real estate | 2024 |
| HE for YOU (Royton) UK Limited | Administrative & support | 2018 |
| Head Dyke Housing Limited | Other services | 2023 |
| Head Over Heels Beauty Ltd | Other services | 2006 |
| Headturner Hair Studio Limited | Other services | 2011 |
| Headway Central Lancashire | Health & social care | 2011 |
| Healing for the Nations | Other services | 1998 |
| Healix Systems Ltd | Information & communication | 2026 |
| Health Blitzkrieg Limited | Professional & scientific | 2024 |
| Health Blossom's Victoria Ltd | Health & social care | 2026 |