| Hudco Ltd | Real estate | 2024 |
| Huddled Group PLC | Financial services | 2017 |
| Huddlepin Ltd | Information & communication | 2026 |
| Hudson & Sons Properties Ltd | Construction | 2026 |
| Hudson and Sons Property Ltd | Real estate | 2026 |
| Hudson Engineering Maintenance Ltd | Construction | 2018 |
| Hudson Plumbing & Heating Ltd | Construction | 2002 |
| Hudson Structural Design Ltd | Professional & scientific | 2018 |
| Hudson Trading Co. Ltd | Real estate | 2025 |
| Hudson Wealth Management Limited | Financial services | 2013 |
| HUE Nails Limited | Other services | 2017 |
| Hugabell Limited | Financial services | 2024 |
| Huggable Nottingham Ltd | Manufacturing | 2022 |
| Huggable Products & Packaging Ltd | Wholesale & retail | 2018 |
| Hugh Charles Builders Limited | Construction | 2010 |
| Hugh Frost Designs Limited | Administrative & support | 2008 |
| Hugh Prichard & Co (Nottingham) Ltd | Manufacturing | 1979 |
| Hughan-Ray Estates Limited | Extraterritorial | 2023 |
| Hughes Communications Limited | Professional & scientific | 2003 |
| Hughes Developments, Groundworks & Landscaping Limited | Administrative & support | 2020 |
| Hugo’S Property Limited | Real estate | 2025 |
| Huit Holdings (UK) Limited | Professional & scientific | 2006 |
| Hukka Bar Limited | Hospitality | 2026 |
| Huler Limited | Information & communication | 2025 |
| Hull Property Developments Limited | Real estate | 2026 |
| Hull Property Limited | Real estate | 2021 |
| Hulstonese Properties Limited | Real estate | 2019 |
| Human Camera CIC | Professional & scientific | 2013 |
| Human Capital Inc Limited | Health & social care | 2024 |
| Human Legacy Ventures Ltd | Financial services | 2025 |
| Human Support Group Services Limited | Professional & scientific | 2019 |
| Humankinder Limited | Professional & scientific | 2016 |
| Humanresearch Ltd | Professional & scientific | 2015 |
| Humari Property Limited | Real estate | 2015 |
| Humart C.I.C. | Wholesale & retail | 2024 |
| Humber Works Therapy Centre Ltd | Other services | 2021 |
| Humdani & Co. Limited | Professional & scientific | 2011 |
| Humes Laundry Service Limited | Manufacturing | 2017 |
| Hummel Associates Limited | Construction | 2023 |
| Hummingbird's Electrical Ltd | Construction | 2022 |
| Humphrey and Gibson Limited | Wholesale & retail | 2025 |
| Humphreys Properties Ltd | Real estate | 2019 |
| Humphries Blends Limited | Manufacturing | 2026 |
| Hunar Logistics Limited | Transport & logistics | 2026 |
| Hunger Brands Ltd | Wholesale & retail | 2020 |
| Hunger Notts Ltd | Hospitality | 2022 |
| Hungerford Common Limited | Real estate | 2007 |
| Hungerhill Educational Services Limited | Education | 2008 |
| Hungerton Developments Ltd | Construction | 2006 |
| Hungr Ltd | Hospitality | 2025 |
| Hungry Baker's Ltd | Hospitality | 2025 |
| Hungry Foods Ltd | Hospitality | 2022 |
| Hungry Grill Ltd | Hospitality | 2021 |
| Hungry Pizza & Kebab Ltd | Hospitality | 2023 |
| Hunter & Young Hairdressing Limited | Other services | 2023 |
| Hunter and Young Management Ltd | Real estate | 2025 |
| Hunter Barker Associates Ltd | Professional & scientific | 2021 |
| Hunter Douglas (UK) Limited | Wholesale & retail | 1969 |
| Hunter Douglas Finance UK Limited | Financial services | 2022 |
| Hunter Douglas Group Limited | Financial services | 2021 |
| Hunter Douglas Holdings Limited | Financial services | 2022 |
| Hunter Douglas Limited | Manufacturing | 1986 |
| Hunter Douglas UK Retail Limited | Manufacturing | 1975 |
| Hunter Douglas UK Trade Ltd | Administrative & support | 1997 |
| Hunter Electrical Contractors Ltd | Construction | 2013 |
| Hunter Electrical Installs Limited | Construction | 2025 |
| Hunter Fire Ltd | Public administration | 2025 |
| Hunter Hostings Limited | Hospitality | 2022 |
| Hunterpaws Hungarian Vizsla Kennel Ltd | Agriculture & fishing | 2021 |
| Hunters Holding Limited | Financial services | 2023 |
| Hunters Solutions Ltd | Information & communication | 2007 |
| Huntingdon Burnaby Limited | Administrative & support | 2020 |
| Huntingdon Carol Limited | Real estate | 2024 |
| Huntingdon Metcalfe Limited | Households | 2021 |
| Huntingdon MS Limited | Real estate | 2025 |
| Huntingdon One Ltd | Construction | 2024 |
| Huntingdon Properties 1 Limited | Real estate | 2019 |
| Huntingdon Properties 3 Limited | Real estate | 2019 |
| Huntingdon Properties 6 Limited | Real estate | 2020 |
| Huntingdon Properties Limited | Financial services | 2001 |
| Huntingdon Property Management Limited | Real estate | 2019 |
| Huntingdon Stoke Limited | Construction | 2021 |
| Huntingdon V.E. Limited | Other services | 2007 |
| Huntingdon Westfield Limited | Real estate | 2020 |
| Hunton Tree Services Limited | Agriculture & fishing | 2022 |
| Hunts Bakery Ltd | Manufacturing | 2015 |
| Hunts Mastics Limited | Construction | 2003 |
| Huracan Properties Limited | Real estate | 2024 |
| Hurcott Services Limited | Agriculture & fishing | 2002 |
| Hurdle Sales Limited | Education | 2025 |
| Hurmat Capital & Recruitment Limited | Professional & scientific | 2022 |
| Huron Bidco Limited | Financial services | 2022 |
| Huron Midco Limited | Financial services | 2022 |
| Hurona Properties Ltd | Real estate | 2022 |
| Hurona Solutions Limited | Information & communication | 2013 |
| Hurri Building Ltd | Construction | 2025 |
| Hursley House Management Limited | Administrative & support | 1976 |
| HUS Engineering Ltd | Construction | 2023 |
| Huskinson Construction Services Limited | Construction | 2002 |
| Husnaaz Private Ltd | Wholesale & retail | 2024 |