| HU Property Limited | Real estate | 2026 |
| HU Transport Logistics Limited | Transport & logistics | 2024 |
| Hub Cleaning Services Limited | Construction | 2019 |
| Hubafrique Ltd | Financial services | 2018 |
| Hubbard & Hobbs Ltd | Construction | 2024 |
| Hubbards Cupboard Ltd | Professional & scientific | 2015 |
| Huckleberry Entertainment Ltd | Hospitality | 2016 |
| Huda Capital Ltd | Real estate | 2023 |
| Hudson Court Freehold Limited | Professional & scientific | 2000 |
| Hudson's Bar and Grill London Ltd | Hospitality | 2020 |
| Hudson's Breakfast London Limited | Hospitality | 2023 |
| HUE & Tone Ltd | Administrative & support | 2026 |
| Huge Care Ltd | Manufacturing | 2024 |
| Hugo Interiors Ltd | Construction | 2018 |
| Hugo Wealth Capital Limited | Administrative & support | 2026 |
| Hulei Interiors Limited | Wholesale & retail | 2019 |
| Hull 7 Limited | Transport & logistics | 2021 |
| Humankind Consultancy Ltd | Professional & scientific | 2023 |
| Humble Kitchen & Bedrooms Ltd | Manufacturing | 2020 |
| Hume Properties Limited | Real estate | 2017 |
| Hummerfort Publishing Limited | Information & communication | 2023 |
| Hummus Bar Express Ltd | Hospitality | 2017 |
| Hummus Bar Ltd | Extraterritorial | 2017 |
| HUN Dental Ltd | Health & social care | 2022 |
| Hundred House Online Limited | Professional & scientific | 2015 |
| Hungerito Ltd | Hospitality | 2025 |
| Hungry 4 Chinese Limited | Hospitality | 2022 |
| Hungry Bird Burgers Limited | Hospitality | 2025 |
| Hungry Bitess Limited | Hospitality | 2021 |
| Hunjan Homes Ltd | Real estate | 2016 |
| Hunter & Bloomfield Ltd | Real estate | 2008 |
| Hunter Chase Recruitment Ltd | Information & communication | 2022 |
| Hunter Vision Ltd | Information & communication | 2025 |
| Hunting Gate Limited | Administrative & support | 2019 |
| Huntington & Co Ltd | Professional & scientific | 2023 |
| Huny Khan Enterprise Ltd | Real estate | 2025 |
| HUP Optical Ltd | Health & social care | 2016 |
| Hupaktech Limited | Information & communication | 2025 |
| Huriye Fashion Ltd | Wholesale & retail | 2025 |
| Hurlingham Developments Limited | Construction | 2005 |
| Hurlock Waste Removal Limited | Water & waste | 2024 |
| Hursh Group Ltd | Construction | 2024 |
| Hursh Labour Solutions Ltd | Construction | 2019 |
| Hurst Cameron Ltd | Real estate | 2013 |
| Husayn Consulting Limited | Information & communication | 2018 |
| Huslw Retail Co., Ltd | Wholesale & retail | 2023 |
| Husnaa Abayas Ltd | Wholesale & retail | 2023 |
| Husnainmart Ltd | Wholesale & retail | 2026 |
| Hussain Connection Limited | Hospitality | 2025 |
| Hussains Creative House Limited | Professional & scientific | 2015 |
| Hussainzz Ltd | Wholesale & retail | 2026 |
| Hustleblaze Ltd | Information & communication | 2025 |
| Hustlehub Academy Ltd | Wholesale & retail | 2025 |
| HUT Trading Limited | Administrative & support | 2019 |
| Hutchinson & Associates Trustees Limited | Professional & scientific | 2016 |
| Hutton Real Estate Ltd | Real estate | 2020 |
| Hutu Construct Ltd | Construction | 2017 |
| Huxley Windows & Doors Ltd | Construction | 2022 |
| Huzaifa's Dynasty Ltd | Construction | 2023 |
| Huzain Ltd | Wholesale & retail | 2024 |
| HVG Properties Ltd | Real estate | 2025 |
| HW Payroll Solutions Ltd. | Administrative & support | 2023 |
| HY Motors Ltd | Wholesale & retail | 2019 |
| HY Services Ltd | Health & social care | 2015 |
| Hybird Cars Limited | Wholesale & retail | 2019 |
| Hybrasilproperty Ltd | Real estate | 2024 |
| Hybrid E-Business Solutions Ltd | Wholesale & retail | 2021 |
| Hybrid Motors London Ltd | Wholesale & retail | 2019 |
| Hybrid Systems Limited | Information & communication | 2018 |
| HYD Motors Limited | Administrative & support | 2026 |
| Hyder & Tahera Medical Ltd | Health & social care | 2024 |
| Hyderabad Darbar Barkingside Ltd | Wholesale & retail | 2025 |
| Hyderabad Darbar BS Ltd | Wholesale & retail | 2026 |
| Hyderabad Darbar Ltd | Wholesale & retail | 2022 |
| Hyderabadi Mehfil Limited | Hospitality | 2025 |
| Hyderabadi Zaiqah Ltd | Hospitality | 2012 |
| Hydra Protection Limited | Administrative & support | 2023 |
| Hyehost Ltd | Information & communication | 2023 |
| Hyfield Ltd | Real estate | 2013 |
| Hygeia Aesthetic Clinic Limited | Health & social care | 2022 |
| Hygiene First Ltd | Administrative & support | 2021 |
| Hyland House Nursery Ltd | Education | 2025 |
| Hylec Group Holdings Co Limited | Financial services | 2026 |
| Hypconsol Ltd | Information & communication | 2011 |
| Hype Chauffeur Services Ltd | Transport & logistics | 2025 |
| Hype Market Group Ltd | Wholesale & retail | 2019 |
| Hypeknot Ltd | Information & communication | 2025 |
| Hypenest Ltd | Wholesale & retail | 2025 |
| Hyper Inspire Ltd | Financial services | 2021 |
| Hyphersphere IT Solutions Ltd | Information & communication | 2024 |
| Hypnodental Limited | Health & social care | 2021 |
| Hypsolez Ltd | Wholesale & retail | 2025 |
| Hypsum Ltd | Wholesale & retail | 2025 |
| Hyte Vape Ltd | Wholesale & retail | 2019 |
| Hywel E Clark Limited | Construction | 2008 |
| HZ Beauty Tips Ltd | Other services | 2020 |
| HZ Constructions Ltd | Construction | 2023 |
| HZ Customs UK Ltd | Wholesale & retail | 2022 |
| HZK Trading Ltd | Wholesale & retail | 2025 |
| H’S Pressed Juices Limited | Manufacturing | 2025 |