| Harpoon Logistics Limited | Transport & logistics | 2020 |
| Harram Ltd | Wholesale & retail | 2024 |
| Harris Garden Maintenance Limited | Administrative & support | 2019 |
| Harris Shah Ltd | Professional & scientific | 2017 |
| Harris Solicitors Limited | Professional & scientific | 2012 |
| Harrison Dynasty Limited | Wholesale & retail | 2025 |
| Harrison Freeman Ministries Healinglife Church Ltd | Other services | 2020 |
| Harrogate Corner Shop Ltd | Wholesale & retail | 2023 |
| Harrogate SA Limited | Real estate | 2024 |
| Harrogate Terrace Management Company (Undercliffe) Limited | Households | 1985 |
| Harry Blockley Limited | Agriculture & fishing | 2026 |
| Harry Hall International Limited | Wholesale & retail | 1978 |
| Harry Hall Limited | Wholesale & retail | 1985 |
| Harry Mayfair Ltd | Wholesale & retail | 2021 |
| Harrybros Limited | Wholesale & retail | 2024 |
| Harrys Motor Group Ltd | Wholesale & retail | 2025 |
| Harrys Trading Ltd | Wholesale & retail | 2024 |
| Harrysdeliverys Ltd | Transport & logistics | 2025 |
| Hartech Engineering Limited | Manufacturing | 2012 |
| Hartop Business Consultants Limited | Professional & scientific | 2017 |
| Harvey Taylor & Co Ltd | Construction | 2020 |
| Harvey's Local Ltd | Wholesale & retail | 2023 |
| Harveys Blinds Limited | Manufacturing | 2020 |
| Harwill Concrete Systems Ltd | Construction | 2025 |
| Haryam Properties Limited | Real estate | 2024 |
| HAS & HAS Holdings Limited | Information & communication | 2024 |
| HAS & HAS Properties Limited | Real estate | 2025 |
| HAS Imaging Ltd | Health & social care | 2025 |
| Hasan BD Ltd | Wholesale & retail | 2024 |
| Hasan Express Limited | Transport & logistics | 2023 |
| Hasan Market Ltd | Wholesale & retail | 2025 |
| Hasan Shahid Delivery Ltd | Transport & logistics | 2026 |
| Hasbah Transport Ltd | Transport & logistics | 2025 |
| Hash Distributions Ltd | Wholesale & retail | 2026 |
| Hasheena Fashions Ltd | Wholesale & retail | 2023 |
| Hashguard Ltd | Wholesale & retail | 2016 |
| Hashim Consultants Ltd | Other services | 2019 |
| Hashim Freight Services Ltd | Transport & logistics | 2025 |
| Hashim Group Ltd | Manufacturing | 2024 |
| Hashim Ophthalmic Limited | Professional & scientific | 2025 |
| Hashmi Print and Marketing Services Limited | Manufacturing | 2020 |
| Hashmi Properties (BFD) Ltd | Real estate | 2025 |
| Hashmi Properties Ltd | Households | 2023 |
| Hashtag Performance Ltd | Wholesale & retail | 2020 |
| Hashtag Thrive Children and Young People Services Ltd | Health & social care | 2020 |
| Hasmita Mistry Limited | Health & social care | 2018 |
| Hasnova Ltd | Wholesale & retail | 2025 |
| Hassan & Sons Limited | Other services | 2018 |
| Hassan ALI Ltd | Professional & scientific | 2017 |
| Hassan Capital Ltd | Real estate | 2026 |
| Hassan Mahmood Ltd | Extraterritorial | 2019 |
| Hassan Optical Limited | Health & social care | 2023 |
| Hassan Riaz Ltd | Transport & logistics | 2024 |
| Hassan Samosa Retail Ltd | Wholesale & retail | 2024 |
| Hassan SH Ltd | Wholesale & retail | 2025 |
| Hassan Shafiq Menswear Limited | Wholesale & retail | 2017 |
| Hassan Shafiq Trading Limited | Wholesale & retail | 2021 |
| Hassanz Limited | Wholesale & retail | 2025 |
| Hassco Limited | Extraterritorial | 2010 |
| Hastings Consultancy Ltd | Administrative & support | 2023 |
| Hate Crime Alliance UK Limited | Extraterritorial | 2013 |
| Hatun Designs Limited | Wholesale & retail | 2024 |
| Hatun Ltd | Wholesale & retail | 2025 |
| Haufson Limited | Manufacturing | 2018 |
| Hauledge Ltd | Transport & logistics | 2024 |
| Haulton Ltd | Administrative & support | 2026 |
| Haus Design and Decorate Limited | Professional & scientific | 2017 |
| Haus of Aroma Ltd | Wholesale & retail | 2026 |
| Haus Square Properties Ltd | Real estate | 2019 |
| HAUS365 Ltd | Real estate | 2021 |
| Hauswest Properties Ltd | Real estate | 2019 |
| Haven Blinds Ltd | Wholesale & retail | 2025 |
| Haven EYE Limited | Wholesale & retail | 2024 |
| Haven Homes Holdinds Ltd | Real estate | 2025 |
| Haven Housing Group Ltd | Hospitality | 2023 |
| Haven Roofing Limited | Construction | 2026 |
| Havern Properties Limited | Real estate | 2021 |
| Havox Cleaning Company Ltd | Administrative & support | 2026 |
| Hawk Security and Consultancy Services Limited | Manufacturing | 2018 |
| Hawk Upper Ltd | Other services | 2020 |
| Hawkeng Limited | Manufacturing | 2021 |
| Hawkeye Properties Ltd | Real estate | 2019 |
| Hawks Trading Ltd | Hospitality | 2016 |
| Hawksworth Property Holdings Limited | Real estate | 2021 |
| Hawler Car Wash Ltd | Administrative & support | 2026 |
| Haworth Combing Company Limited | Manufacturing | 1961 |
| Haworth Direct Limited | Professional & scientific | 2013 |
| Haworth Energy Ltd | Other services | 2025 |
| Haworth Greendeal Ltd | Other services | 2020 |
| Haworth Homeware Ltd | Wholesale & retail | 2021 |
| Haworth Housing Ltd | Professional & scientific | 2025 |
| Haworth Housing Management CIC | Real estate | 2026 |
| Haworth Motor Group Ltd | Wholesale & retail | 2026 |
| Haworth Properties Yorkshire Limited | Real estate | 2023 |
| Haworth Village Developments Limited | Construction | 2023 |
| Hawthorn Gardening Limited | Administrative & support | 2024 |
| Hawthorn Tree Care & Services Limited | Administrative & support | 2021 |
| Hawthorne Building Solutions Ltd | Construction | 2019 |
| Haya Holdings Ltd | Real estate | 2025 |
| Hayat & Subhani Platinum Ltd | Wholesale & retail | 2021 |