| H&F Elite Property Limited | Real estate | 2025 |
| H&H Fine Foods Ltd | Hospitality | 2026 |
| H&H Sons Ltd | Real estate | 2026 |
| H&M Group Ltd | Hospitality | 2026 |
| H&N Group Limited | Wholesale & retail | 2025 |
| H&R Bodyshop Ltd | Wholesale & retail | 2020 |
| H&S Property Investments Ltd | Real estate | 2019 |
| H&S Renovations Ltd | Real estate | 2019 |
| H. & E.Smith Limited | Manufacturing | 1947 |
| H. Bowers Limited | Wholesale & retail | 1977 |
| H.A Window Cleaning Contractors Limited | Administrative & support | 2005 |
| H.A.N.C Services Limited | Professional & scientific | 2024 |
| H.Tideswell & Sons Limited | Transport & logistics | 1963 |
| H2 Autos Ltd | Wholesale & retail | 2023 |
| H23 Live Ltd | Arts & recreation | 2026 |
| H33RA Entertainment Ltd | Information & communication | 2024 |
| H4554N Limited | Hospitality | 2023 |
| HA Elite Motors Ltd | Wholesale & retail | 2026 |
| Haanz Painter & Decorator Ltd | Construction | 2020 |
| Haanz Tech Ltd | Information & communication | 2026 |
| Haaris Locum Ltd | Wholesale & retail | 2025 |
| Habby HIP Limited | Professional & scientific | 2002 |
| Habeb Dilla Ltd | Administrative & support | 2026 |
| Habiboo Ltd | Information & communication | 2025 |
| Hackney Properties Limited | Real estate | 2024 |
| Hade Edge Energy Limited | Energy | 2022 |
| Hadify Ltd | Wholesale & retail | 2026 |
| Hadleigh Industrial Estates Limited | Real estate | 1932 |
| Hagen Biggin Ltd | Arts & recreation | 2022 |
| Hagen Douglas Biggin Ltd | Extraterritorial | 2022 |
| Hair and Beauty (Stoke) Limited | Other services | 2025 |
| Hairlicious UK Limited | Wholesale & retail | 2023 |
| Hairni Luxe Ltd | Wholesale & retail | 2026 |
| Hairodrome Limited | Other services | 2025 |
| Hairworkz International Ltd | Wholesale & retail | 2020 |
| HAJ Associates Ltd. | Hospitality | 2012 |
| Haji & SON Properties Ltd | Real estate | 2023 |
| Haki F Construction Ltd | Construction | 2021 |
| Hakuna Matata Entertainment Ltd | Arts & recreation | 2026 |
| Halal Editions Ltd | Manufacturing | 2018 |
| Hales Hall Caravan and Camping Park Limited | Hospitality | 2015 |
| Haley Products Limited | Wholesale & retail | 1986 |
| Halfway Home (Staffordshire) CIC | Health & social care | 2023 |
| Halket Miles Development Limited | Real estate | 2021 |
| Halkets Family Foods Ltd | Wholesale & retail | 2025 |
| Hall & Hall Limited | Professional & scientific | 1980 |
| Hall Cardiology Limited | Health & social care | 2013 |
| Hall Field Works Properties Ltd | Real estate | 2024 |
| Hall Industrial Supplies Ltd | Professional & scientific | 2019 |
| Hall LET Properties Limited | Real estate | 2017 |
| Hall Street Joinery Ltd | Construction | 2020 |
| Hallelujah Hallelujah Ltd | Administrative & support | 2025 |
| Hallmark Gears Limited | Wholesale & retail | 2024 |
| Hallsworth Lloyd Associates Limited | Real estate | 2007 |
| Halmerend Minerals Ltd | Manufacturing | 2010 |
| Halmerend Wheels & Tyres Ltd | Wholesale & retail | 2020 |
| Halo Fire and Security Systems Ltd | Administrative & support | 2025 |
| Halreggs Ltd | Manufacturing | 2024 |
| Halstone SH Holdings Limited | Financial services | 2026 |
| Hamdan Usman Ltd | Health & social care | 2025 |
| Hamid Mart Hub Ltd | Wholesale & retail | 2026 |
| Hamilton Stonemasons Limited | Manufacturing | 2009 |
| Hammersley Limited | Manufacturing | 1948 |
| Hammersley Properties Limited | Real estate | 2022 |
| Hamnah Education Group Ltd | Financial services | 2025 |
| Hamofy Ltd | Wholesale & retail | 2023 |
| Hamsini Entertainment Limited | Information & communication | 2016 |
| Hamumy Limited | Transport & logistics | 2009 |
| Hana Foods Ltd | Wholesale & retail | 2025 |
| Hanai Care Ltd | Health & social care | 2025 |
| Hanalex Limited | Wholesale & retail | 1996 |
| Hancock Computer Services Limited | Information & communication | 1996 |
| Hancocks General Ltd | Construction | 2024 |
| Handivhunduke Limited | Health & social care | 2021 |
| Handmade Naturals Ltd | Manufacturing | 2009 |
| Handy MAN Tools Limited | Administrative & support | 2016 |
| Handychaps Commercial Ltd | Construction | 2013 |
| Hanford Manor Limited | Health & social care | 2014 |
| Hanford News & Booze Limited | Wholesale & retail | 2010 |
| Hangar 75 Limited | Professional & scientific | 2014 |
| Hangetic Limited | Wholesale & retail | 2021 |
| Hanley Business Limited | Hospitality | 2025 |
| Hanley Canine Hydrotherapy Centre Limited | Other services | 2020 |
| Hanley Carpets and Flooring Solutions Ltd | Wholesale & retail | 2023 |
| Hanley Discount Stores Ltd | Wholesale & retail | 2025 |
| Hanley Fishmongers Limited | Wholesale & retail | 2025 |
| Hanley Foundry Co. Limited | | 1940 |
| Hanley Kebab & Pizza House Qadrawa Ltd | Hospitality | 2024 |
| Hanley Pizza Ltd | Hospitality | 2025 |
| Hanley Town FC Limited | Arts & recreation | 2024 |
| Hanley Town Football Club Limited | Arts & recreation | 2021 |
| Hanley’S Hair and Beauty Cosmetics Ltd | Wholesale & retail | 2021 |
| Hannah Jones Swim Academy Ltd | Education | 2018 |
| Hannah's Trainology Ltd | Education | 2024 |
| Hannifins Paving Limited | Construction | 2020 |
| Hansa Environmental Ltd | Administrative & support | 2024 |
| Happy Doggy Club Ltd | Other services | 2021 |
| Happy Garden 88 UK Ltd | Hospitality | 2025 |
| Happy Nails Hanley Ltd | Other services | 2024 |
| Happy Ninja Media CIC | Information & communication | 2016 |