| HPB Group Limited | Other services | 2023 |
| Hpls Properties Ltd | Real estate | 2023 |
| HPM Innovations Limited | Administrative & support | 2025 |
| HPS Damp Proofing Limited | Construction | 2021 |
| HPS Leisure Limited | Construction | 2013 |
| Hqnr Limited | Wholesale & retail | 2022 |
| HR in Partnership Limited | Professional & scientific | 2018 |
| Hrabowski Direct Ltd | Transport & logistics | 2026 |
| HRC Property Group Limited | Real estate | 2021 |
| Hrca Services Ltd | Transport & logistics | 2020 |
| Hrzn Management Limited | Professional & scientific | 2023 |
| HS Future UK Ltd | Wholesale & retail | 2015 |
| HSD 911 Ltd | Wholesale & retail | 2018 |
| HSH Consultants Ltd | Extraterritorial | 2005 |
| Hshc Birmingham Ltd | Health & social care | 2016 |
| Hshc London Ltd | Health & social care | 2016 |
| Hshc Manchester Ltd | Real estate | 2016 |
| HSI Investment Holdings Limited | Financial services | 2025 |
| HSL Accountancy Solutions Ltd | Professional & scientific | 2016 |
| HSL Consulting Ltd | Information & communication | 2024 |
| HSR Law Limited | Professional & scientific | 2020 |
| HSS Business Consultancy Ltd | Real estate | 2020 |
| HST Software Solutions Ltd | Professional & scientific | 2023 |
| HT Scaffold Holdings Ltd | Administrative & support | 2024 |
| HT Scaffold Ltd | Construction | 2024 |
| HT19 Ltd | Hospitality | 2024 |
| HTE Engineering Ltd | Construction | 2025 |
| HTS Paving & Driveways Ltd | Administrative & support | 2009 |
| HUA Cheng (Doncaster) Ltd | Hospitality | 2015 |
| Hub (Doncaster) Limited | Wholesale & retail | 2006 |
| Hub 100 Ltd | Administrative & support | 2000 |
| Hub 100 Publishing Limited | Administrative & support | 2002 |
| Hub Auckley Ltd | Hospitality | 2023 |
| Hub Rigging Solutions Ltd | Information & communication | 2017 |
| Huckerby Joinery Ltd | Manufacturing | 2024 |
| Hucksy Ltd | Information & communication | 2022 |
| Huddle Properties Ltd | Real estate | 2023 |
| Hudlow Coffee Ltd | Manufacturing | 2024 |
| Hudlow FP Ltd | Professional & scientific | 2023 |
| Hudlow Properties Ltd | Real estate | 2021 |
| Hudson Alexander Limited | Real estate | 2024 |
| Hudson Controls Limited | Wholesale & retail | 2008 |
| Hudson Endeavours Ltd | Real estate | 2021 |
| Hudson Leisure Group (UK) Limited | Hospitality | 2025 |
| Hudson Luxury's Ltd | Wholesale & retail | 2017 |
| Hudson's Grab & Go Ltd | Transport & logistics | 2026 |
| Hudson’S Plumbing Solutions Limited | Construction | 2025 |
| Hudspeth Eyre Properties Ltd | Construction | 2024 |
| Huendora Mini Market Ltd | Wholesale & retail | 2026 |
| Huevo Limited | Wholesale & retail | 2025 |
| Hughes & Co Accountancy Services Limited | Professional & scientific | 2025 |
| Hughes Commercial Limited | Construction | 2014 |
| Hughes Electrification Limited | Construction | 2018 |
| Hughes Mclaughlin Homes Ltd | Construction | 2015 |
| Hughes Medicolegal Ltd | Health & social care | 2022 |
| Hughes-Lubeck Ltd | Administrative & support | 2024 |
| Hughesman Holdings Ltd | Financial services | 2025 |
| Hugill Investments Ltd | Financial services | 2024 |
| Hugo 1 Ltd | Professional & scientific | 2016 |
| Hugo.Uk Logistic Ltd | Transport & logistics | 2023 |
| HUI (852) Ltd | Professional & scientific | 2021 |
| Huidu Traders Ltd | Financial services | 2024 |
| Hull and Gipsyville Housing Venture Limited | Real estate | 1995 |
| Humac Dispatch Ltd | Transport & logistics | 2022 |
| Human Advertising Limited | Professional & scientific | 2010 |
| Human Dynamos Ltd | Professional & scientific | 2009 |
| Humana Group Ltd | Professional & scientific | 2022 |
| Humana Limited | Professional & scientific | 2019 |
| Humberside Pizza Limited | Hospitality | 2025 |
| Hummingbird Retail Ltd | Wholesale & retail | 2023 |
| Hummingbird Technical Services Ltd | Information & communication | 2019 |
| Humphries Engineering Consultants Limited | Professional & scientific | 2026 |
| Humphries Site and Civil Engineering Limited | Construction | 2013 |
| Humphries Turner and Partners | | 1998 |
| Hundhill Hall Fine Automobiles Limited | Wholesale & retail | 2024 |
| Hunter Promotions Limited | Arts & recreation | 2017 |
| Hunter Resource Limited | Administrative & support | 2023 |
| Hunts Original Limited | Manufacturing | 2014 |
| HUP Ltd | Wholesale & retail | 2024 |
| Hurlstone Properties Ltd | Real estate | 2024 |
| Hurst Plant Sales Limited | Wholesale & retail | 2005 |
| Husler Developments Limited | Construction | 2010 |
| Husnain Arif Limited | Wholesale & retail | 2025 |
| Hussnain ALI Ltd | Wholesale & retail | 2024 |
| Hutton Property Investments Limited | Real estate | 2021 |
| Hutton Property Residential Limited | Real estate | 2018 |
| Huyton Freehold Limited | Real estate | 2018 |
| HV & Civils Management Ltd | Construction | 2022 |
| HVO Search Ltd | Administrative & support | 2012 |
| HW Controls Ltd | Professional & scientific | 2022 |
| Hw&D Accounting Services Limited | Real estate | 2020 |
| Hwr(Doncaster)Limited Ltd | Information & communication | 2025 |
| HXH Limited | Real estate | 2023 |
| HXV Transport Limited | Transport & logistics | 2021 |
| Hybrid Integrated Systems Limited | Manufacturing | 1999 |
| Hybrid Resourcing Limited | Education | 2021 |
| Hybrid Space Limited | Construction | 2019 |
| Hycross (Garage Services) Ltd | Wholesale & retail | 2014 |
| Hycross 2000 Limited | Transport & logistics | 1998 |
| Hycross Bagging & Handling Limited | Transport & logistics | 2006 |