| Hampton Marketing Ltd | Wholesale & retail | 2024 |
| Hampton Property Group Ltd | Real estate | 2020 |
| Hampton Property Management Ltd | Hospitality | 2019 |
| Hampton Property Rentals Ltd | Real estate | 2024 |
| Hampton Sales & Lettings Limited | Real estate | 2025 |
| Hampton Taylor Holdings Ltd | Financial services | 2023 |
| Hampton Works Limited | Real estate | 2019 |
| Hampton's Coffee Company Limited | Hospitality | 2018 |
| Hampton-In-Arden Garden Centre & Nursery Ltd | Wholesale & retail | 2020 |
| Hamptons Car Hire Ltd | Administrative & support | 2014 |
| Hamptons Development Limited | Real estate | 2011 |
| Hamptons Energy Limited | Other services | 2016 |
| Hamptons Holdings Limited | Real estate | 2005 |
| Hamptons International Estates Limited | Real estate | 2021 |
| Hamptons Nest Limited | Real estate | 2025 |
| Hamptons of Coleshill Limited | Construction | 2020 |
| Hamptons YW International Limited | Real estate | 2022 |
| Hams Hall Management Company Limited | Real estate | 1995 |
| Hams Hall Sustainable Energy Ltd | Energy | 2019 |
| Hamsard 2363 Limited | Administrative & support | 2001 |
| Hamsard 3832 Limited | Extraterritorial | 2025 |
| Hamsard 3833 Limited | Extraterritorial | 2025 |
| Hamsard 3834 Limited | Extraterritorial | 2026 |
| Hamsard 3839 Limited | Extraterritorial | 2026 |
| Hamsard 3841 Limited | Extraterritorial | 2026 |
| Hamsard 3842 Limited | Extraterritorial | 2026 |
| Hamsard 3843 Limited | Extraterritorial | 2026 |
| Hamsard 3844 Limited | Extraterritorial | 2026 |
| Hamsard 3845 Limited | Extraterritorial | 2026 |
| Hamsard 3846 Limited | Extraterritorial | 2026 |
| Hamsard 3847 Limited | Extraterritorial | 2026 |
| Hamsard 3848 Limited | Extraterritorial | 2026 |
| Hamsbecky Ventures Company Limited | Hospitality | 2020 |
| Hamstead Assets Limited | Real estate | 2026 |
| Hamstead Auto Salvage Limited | Wholesale & retail | 2024 |
| Hamstead Business Services Limited | Professional & scientific | 2018 |
| Hamstead Claims and Hire Ltd | Wholesale & retail | 2024 |
| Hamstead Court Management Company Limited | Professional & scientific | 2008 |
| Hamstead Estates Ltd | Real estate | 2024 |
| Hamstead EYE Care Limited | Health & social care | 2012 |
| Hamstead Hall Academy Trust | Education | 2013 |
| Hamstead Home Brew Ltd | Other services | 2021 |
| Hamstead Homes Limited | Real estate | 2007 |
| Hamstead Housing Ltd | Hospitality | 2019 |
| Hamstead Law Practice Limited | Administrative & support | 2014 |
| Hamstead Lifestyle Express Ltd | Wholesale & retail | 2024 |
| Hamstead Motors Ltd | Wholesale & retail | 2018 |
| Hamstead News & Booze Ltd | Wholesale & retail | 2023 |
| Hamstead Properties Limited | Real estate | 2018 |
| Hamstead Stores Limited | Wholesale & retail | 2012 |
| Hamtry Properties Ltd | Real estate | 2025 |
| Hamudidrive Limited | Transport & logistics | 2025 |
| Hamza Builders Ltd | Wholesale & retail | 2023 |
| Hamza Farax Limited | Wholesale & retail | 2023 |
| Hamza Ibrahim Limited | Wholesale & retail | 2025 |
| Hamza Innovation UK Limited | Wholesale & retail | 2025 |
| Hamza Khalid Traders Ltd | Wholesale & retail | 2025 |
| Hamza Nazir Ltd | Wholesale & retail | 2026 |
| Hamza News & Convenience Limited | Wholesale & retail | 2017 |
| Hamza Rajput Limited | Wholesale & retail | 2025 |
| Hamza Research International Limited | Information & communication | 2023 |
| Hamza Salon Ltd | Other services | 2023 |
| HAMZA99 Ltd | Other services | 2024 |
| Hamzah Poultry Limited | Wholesale & retail | 2025 |
| Hamzazafar Ltd | Wholesale & retail | 2026 |
| Hamzi Kalakar Ltd | Wholesale & retail | 2025 |
| HAN Cheng Limited | Hospitality | 2019 |
| HAN Engineering Ltd | Construction | 2014 |
| HAN License Holdings Limited | Financial services | 2026 |
| HAN MA Canteen Ltd | Hospitality | 2025 |
| HAN Property Management Ltd | Real estate | 2026 |
| HAN Tang Holdings Limited | Real estate | 2015 |
| HAN Tang London Limited | Hospitality | 2017 |
| HAN Xiang Limited | Hospitality | 2019 |
| Hana Design Studio Ltd | Professional & scientific | 2023 |
| Hana Home Improvements Ltd | Construction | 2024 |
| Hana LG Ltd | Real estate | 2025 |
| Hana Motor Ltd | Wholesale & retail | 2026 |
| Hanae Medics Ltd | Other services | 2026 |
| Hanah Foods Ltd | Hospitality | 2024 |
| Hanan Ventures Ltd | Wholesale & retail | 2025 |
| Hananscorner Group Ltd | Wholesale & retail | 2025 |
| Hanaè Plus Limited | Other services | 2026 |
| Hanbury Enterprises Limited | Financial services | 2022 |
| Hancox Film Services Limited | Transport & logistics | 2007 |
| Hancox Homes Ltd | Real estate | 2020 |
| Hand Car Wash & Valeting Ltd | Wholesale & retail | 2020 |
| Hand Locks Ltd | Real estate | 2024 |
| Hand of Care Ltd | Health & social care | 2022 |
| Hand to Hands Logistics Limited | Transport & logistics | 2025 |
| Handara Properties Limited | Real estate | 2006 |
| Handflow Flooring Limited | Construction | 2004 |
| Handi Roti Express Ltd | Hospitality | 2025 |
| Handle With Prayer Designs Limited | Wholesale & retail | 2026 |
| HANDLES2HINGES Limited | Wholesale & retail | 2023 |
| Handleworks Ltd | Administrative & support | 1981 |
| Handley Construction Management Ltd | Professional & scientific | 2015 |
| Handling Homes Ltd | Wholesale & retail | 2018 |
| Handmade Memories Ltd | Wholesale & retail | 2026 |
| Handmade Tailoring Ltd | Wholesale & retail | 2017 |