| Heaton Amaana Ventures Ltd | Real estate | 2025 |
| Heaton Cars Limited | Wholesale & retail | 2024 |
| Heaton Dental Care Limited | Health & social care | 2015 |
| Heaton Education Limited | Education | 2024 |
| Heaton Grove Estate Co.,Limited the | Real estate | 1920 |
| Heaton Motors Centre Ltd | Wholesale & retail | 2025 |
| Heaton Optical Ltd | Health & social care | 2024 |
| Heaton Property Services (UK) Ltd | Real estate | 2011 |
| Heaton Services Limited | Other services | 2015 |
| Heatteam (UK) Ltd | Construction | 2021 |
| Heatton (UK) Developments Limited | Real estate | 2018 |
| Heatwave Products Ltd | Manufacturing | 2025 |
| Heatwise Insulation Ltd | Construction | 2023 |
| Heaven Carpets Ltd | Wholesale & retail | 2024 |
| Heaven Homes Limited | Hospitality | 2014 |
| Heaven Scent Florist Bradford Ltd | Wholesale & retail | 2024 |
| Heaven Trends Ltd | Wholesale & retail | 2018 |
| Heavenly Bedding Limited | Manufacturing | 2024 |
| Heavenly Comfort Ltd | Wholesale & retail | 2025 |
| Heavenly Nails & Spa Ltd | Other services | 2025 |
| Heavenly Services (UK) Ltd | Other services | 2018 |
| Heavenly Touch Beauty Salon Ltd | Other services | 2024 |
| Heavenly Touch Massage & Spa Ltd | Health & social care | 2021 |
| Heavy Vehicle Services Limited | Water & waste | 2019 |
| Heay Group Ltd | Financial services | 2023 |
| Heba Locum Ltd | Health & social care | 2025 |
| Heben Ltd | Wholesale & retail | 2022 |
| HEC Electrical Contractors Ltd | Construction | 2017 |
| Hector, Lamont, Florence Associates Limited | Other services | 2013 |
| Heeley Investments Limited | Real estate | 2014 |
| Heelz 2 Wheelz Ltd | Administrative & support | 2019 |
| Heer Stores Limited | Wholesale & retail | 2004 |
| Heera Foods Limited | Wholesale & retail | 2008 |
| Heerhealthcare Ltd | Health & social care | 2019 |
| HEF Solutions Limited | Information & communication | 2013 |
| Heights Developments Ltd | Construction | 2018 |
| Helen Marie Phelan Ltd | Health & social care | 2026 |
| Helicon Limited | Wholesale & retail | 2011 |
| Hellifield Beer Festival Ltd | Wholesale & retail | 2015 |
| Hellitex (UK) Limited | Wholesale & retail | 2006 |
| Hello Aesthetics Ltd | Other services | 2022 |
| Hello Cyber Limited | Information & communication | 2024 |
| Hello Fresh 2 Go Ltd | Wholesale & retail | 2021 |
| Hello Sunday Ltd | Extraterritorial | 2020 |
| Hellorx Ltd | Information & communication | 2024 |
| Help Securities Limited | Administrative & support | 1996 |
| Help Tech Ltd | Administrative & support | 2019 |
| Help U Property Ltd | Construction | 2026 |
| HELP2RENT Property Services Ltd | Real estate | 2018 |
| Helpforbuyers Limited | Professional & scientific | 2016 |
| Helping Hands Care Services Ltd | Administrative & support | 2025 |
| Helplink North Limited | Construction | 2009 |
| Hemdale Financial Management Limited | Professional & scientific | 1984 |
| Hemel Homes Ltd | Real estate | 2015 |
| Hemingway Services (Yorkshire) Limited | Construction | 2012 |
| Hemingways Haulage Ltd | Transport & logistics | 2024 |
| Hemsworth Living Ltd | Real estate | 2024 |
| Hemteeseyi Ltd | Health & social care | 2024 |
| Hengoch Limited | Professional & scientific | 2008 |
| Henna Mahroof Healthcare Ltd | Health & social care | 2025 |
| Henry Nails Tran Ltd | Other services | 2024 |
| Henry’S Beds and Furnishers Limited | Wholesale & retail | 2025 |
| Henson Structures Ltd | Real estate | 2018 |
| HER Brand Stylist Ltd | Professional & scientific | 2024 |
| HER Digital Blueprint Limited | Wholesale & retail | 2025 |
| Herald Square Limited | Extraterritorial | 2012 |
| Herbal Cure International Ltd | Health & social care | 2018 |
| Herbal Forest Ltd | Extraterritorial | 2013 |
| Herbal Manpower Ltd | Wholesale & retail | 2025 |
| Herbalign Ltd | Wholesale & retail | 2023 |
| Herdwicks Boutique Hotel Limited | Hospitality | 2016 |
| Here and NOW Solutions Ltd | Transport & logistics | 2020 |
| HERE365 Limited | Transport & logistics | 2025 |
| Heritage Batley Ltd | Arts & recreation | 2026 |
| Heritage Decking Limited | Construction | 2019 |
| Heritage ELM Group Ltd | Financial services | 2026 |
| Heritage ELM Property Ltd | Real estate | 2026 |
| Heritage Livestock Co Ltd | Agriculture & fishing | 2025 |
| Heritage Mart Limited | Wholesale & retail | 2025 |
| Heritage Nomadic UK Ltd | Administrative & support | 2025 |
| Heritage Rooflines Ltd | Construction | 2026 |
| Heritage Rugs Store Ltd | Wholesale & retail | 2024 |
| Herm Enterprises Ltd | Wholesale & retail | 2023 |
| Hermano Desserts (Rochdale) Limited | Hospitality | 2026 |
| Hermano Desserts Blackburn Limited | Hospitality | 2026 |
| Hermanobakery Ltd | Hospitality | 2024 |
| Hermanodesserts Ltd | Wholesale & retail | 2023 |
| Hermax Ltd | Administrative & support | 2018 |
| Hermione Capital Ltd | Administrative & support | 2018 |
| Hermione Capital Markets Limited | Financial services | 2019 |
| Hermione Marketing Ltd | Administrative & support | 2018 |
| Herne Bay Valeting Ltd | Administrative & support | 2020 |
| Heron Humber Ltd | Other services | 2020 |
| Hers Performance Ltd | Wholesale & retail | 2026 |
| Hesgan Hospitality Limited | Hospitality | 2022 |
| Hester Fine Art Limited | Wholesale & retail | 2011 |
| HEV Group Ltd | Administrative & support | 2025 |
| Hewsons Roofing Ltd | Construction | 2026 |
| Hewsons Scaffolding Ltd | Construction | 2026 |
| HEX Lead Generations Ltd | Professional & scientific | 2023 |