| House to Home Property Holdings Ltd | Real estate | 2018 |
| Household Supplies Ltd | Wholesale & retail | 2021 |
| Houseman & Falshaw Limited | Agriculture & fishing | 1979 |
| Houserve Ltd | Real estate | 2024 |
| Houses Mentenance and Cleaning Site Ltd | Real estate | 2025 |
| Housewise Ltd | Real estate | 2007 |
| Houston Group of Companies Ltd | Construction | 2012 |
| Houston's Properties Limited | Real estate | 2019 |
| Hove Homes Ltd | Real estate | 2022 |
| Hovrip Limited | Professional & scientific | 2012 |
| HOW Clean (Yorkshire) Limited | Administrative & support | 2010 |
| HOW DO Films Ltd | Information & communication | 2023 |
| HOW to by Emma Limited | Professional & scientific | 2020 |
| Howard Civil Engineering Limited | Construction | 2003 |
| Howard Consulting (Harrogate) Ltd | Professional & scientific | 2022 |
| Howard Court Residents' Association (Leeds) Limited | Real estate | 1973 |
| Howard Distributions Ltd | Wholesale & retail | 2025 |
| Howard Electrical Services (SW) Ltd | Construction | 2018 |
| Howard Holdings (Leeds) Limited | Financial services | 2004 |
| Howard Landscapes and Design Ltd | Administrative & support | 2021 |
| Howard Manufacturing Limited | Manufacturing | 2015 |
| Howard Plant Hire (Leeds) Limited | Administrative & support | 2004 |
| Howard Road (34RC) Limited | Real estate | 2025 |
| Howard Road (RC) Limited | Real estate | 2022 |
| Howarth Properties Ltd | Real estate | 2013 |
| Howarth Timber (Windows & Doors) Limited | Manufacturing | 1973 |
| Howarth Timber Engineered Solutions Limited | Manufacturing | 2012 |
| Howarth&Jones Developments Ltd | Real estate | 2025 |
| Howdle Properties Limited | Real estate | 1998 |
| Howdy (JH) Ltd | Hospitality | 2022 |
| Howdy 1991 Ltd | Hospitality | 2026 |
| Howdy 28 Ltd | Hospitality | 2020 |
| Howdy Longsight Ltd | Hospitality | 2024 |
| Howdy Partner Ltd | Hospitality | 2025 |
| Howdy Pudsey Ltd | Hospitality | 2025 |
| Howe Construction Management Ltd | Construction | 2023 |
| Howe Cool Ltd | Construction | 2012 |
| Howe Gaming Limited | Information & communication | 2018 |
| Howe Maxted (GI) Limited | Financial services | 2020 |
| Howe Mechanical Services Ltd | Manufacturing | 2025 |
| Howecho Ltd | Health & social care | 2024 |
| Howell-Blys Engineering Company Limited | Wholesale & retail | 1977 |
| Howgate & Farrar of Woodlesford Limited | Manufacturing | 2010 |
| Howgate Holdings Ltd | Real estate | 2022 |
| Howl Bar Limited | Hospitality | 2016 |
| Howlad Ltd | Wholesale & retail | 2025 |
| Howley Hall Golf Club Limited | Arts & recreation | 1908 |
| Howley Hall Property Services Limited | Real estate | 2017 |
| Howley Investments Limited | Real estate | 2012 |
| Howley Park Business Village (Leeds) Limited | Extraterritorial | 2007 |
| Hownsgill Wind Energy Ltd | Administrative & support | 2012 |
| Howroyd Estates Limited | Real estate | 2009 |
| Howson Digital Limited | Professional & scientific | 2023 |
| Howzat Trading Limited | Wholesale & retail | 2022 |
| Hoxro Limited | Information & communication | 2015 |
| Hoyle Plumbing and Heating Ltd | Construction | 2018 |
| Hozman Limited | Manufacturing | 2017 |
| HP (Credit Hire) Consultants Ltd. | Professional & scientific | 2009 |
| HP Catering Services Limited | Hospitality | 2024 |
| HP Cricket Tours Ltd | Arts & recreation | 2025 |
| HP Decoration Ltd | Construction | 2024 |
| HP Design and Sign Ltd | Professional & scientific | 2023 |
| HP Shawarma Ltd | Hospitality | 2024 |
| Hpbas Limited | Real estate | 2014 |
| HPC Hydraulic Products Limited | Manufacturing | 2005 |
| HPE EOT Limited | Extraterritorial | 2021 |
| HPE Process Limited | Wholesale & retail | 1991 |
| HPE Services Ltd | Construction | 2021 |
| HPI Holding Limited | Professional & scientific | 2008 |
| HPI Limited | Information & communication | 2000 |
| HPP Ltd | Real estate | 2019 |
| Hpply Ltd | Wholesale & retail | 2025 |
| Hprf Ltd | Real estate | 2026 |
| Hprop 4 Ltd | Real estate | 2020 |
| HPS Electrical Contractors Ltd | Construction | 2022 |
| HQ Communications Group Ltd | Professional & scientific | 2023 |
| HQ Dental Laboratory Limited | Manufacturing | 2013 |
| HQ Hair Limited | Other services | 2017 |
| HQ Health Solutions Limited | Administrative & support | 2020 |
| HQ Holdings Ltd | Hospitality | 2023 |
| HQ Laboratories Holdings Limited | Extraterritorial | 2018 |
| HQ Laboratories Services Limited | Extraterritorial | 2018 |
| HQ Leisure Ltd | Hospitality | 2022 |
| HQ Lets Ltd | Real estate | 2026 |
| HR Bars Limited | Hospitality | 2023 |
| HR Linked Limited | Administrative & support | 2017 |
| HR Wellz Ltd | Transport & logistics | 2024 |
| HRB Logistics Ltd | Transport & logistics | 2022 |
| HRC Fire Consultancy Ltd | Public administration | 2018 |
| HRE Bridlington Limited | Real estate | 2024 |
| HRE Healey Ltd | Real estate | 2024 |
| HRH Contracts Limited | Extraterritorial | 2018 |
| HRH Honey Ltd | Wholesale & retail | 2025 |
| Hrhr Limited | Professional & scientific | 2023 |
| HRI Technology Limited | Professional & scientific | 2000 |
| Hrisadam Ltd | Information & communication | 2017 |
| Hriyasha Limited | Information & communication | 2018 |
| HRM Electrical Services Ltd | Construction | 2025 |
| Hroes (HR Services) Ltd | Information & communication | 2022 |
| Hroes Group Limited | Information & communication | 2023 |