| Hairbychidy Ltd | Other services | 2026 |
| Hairetro Barbers Ltd | Other services | 2025 |
| Hairlife Beauty Bar Limited | Other services | 2022 |
| Hairlife Hair Design Ltd | Other services | 2021 |
| Hairmedic Ltd | Health & social care | 2012 |
| Hairmedic Solutions Limited | Professional & scientific | 2014 |
| Hairverse Ltd | Wholesale & retail | 2025 |
| Hairworks Headingley Ltd | Other services | 2026 |
| Hairworks Leeds Limited | Other services | 2018 |
| Hairworks Normanton Limited | Other services | 2020 |
| Hairy Lemon Limited | Administrative & support | 2001 |
| Hairzmobile Limited | Other services | 2023 |
| Hajji Consulting Ltd | Administrative & support | 2026 |
| Hajpharm Limited | Wholesale & retail | 2008 |
| HAK Finance Limited | Financial services | 2024 |
| HAK Holdings Limited | Financial services | 2025 |
| Hakachihuahua Corporation Unlimited | Professional & scientific | 2024 |
| Hakemi Olives Ltd | Wholesale & retail | 2023 |
| Haki GN Limited | Extraterritorial | 2022 |
| Halal Online Ltd | Administrative & support | 2024 |
| Halal Pet Foods Ltd | Manufacturing | 2023 |
| Halal Yorkshire Fried Chicken Ltd | Hospitality | 2023 |
| Halbert Limited | Real estate | 2016 |
| Halcyon (NO 1) Limited | Administrative & support | 2003 |
| Halcyon Landscapes (Yorkshire) Ltd | Administrative & support | 2012 |
| Halder Developments Ltd | Construction | 2010 |
| Hale Retail UK Ltd. | Wholesale & retail | 2019 |
| Haleema Consulting Limited | Health & social care | 2019 |
| Hales Partnership Ltd | Extraterritorial | 2011 |
| Haleway Holdings Limited | Professional & scientific | 1992 |
| Haley Bevan Design Limited | Wholesale & retail | 2015 |
| Haley's International Limited | Real estate | 2001 |
| Haleys Yard Management Limited | Administrative & support | 2010 |
| Half Acre Management Consultancy Limited | Professional & scientific | 2018 |
| Half Grey Bear Ltd | Professional & scientific | 2022 |
| Halfway Hatch Limited | Wholesale & retail | 2025 |
| Halfway House Morley Ltd | Hospitality | 2021 |
| HALI1 Properties Ltd | Real estate | 2022 |
| Halifax Assets Management Ltd | Real estate | 2022 |
| Halifax Engineering Supplies Limited | Wholesale & retail | 1992 |
| Halifax Garage Doors Ltd | Extraterritorial | 2018 |
| Halifax Kitchen & Bedroom Company Ltd | Wholesale & retail | 1995 |
| Halifax Royal Infirmary Hospital Management Company Limited | Households | 2003 |
| Halios Ltd | Administrative & support | 2018 |
| Halite DM Ltd | Professional & scientific | 2021 |
| Halkin Street Property Limited | Real estate | 2023 |
| Hall & Botterill Limited | Manufacturing | 1946 |
| Hall Gate Gelato Ltd | Hospitality | 2023 |
| Hall Road (Eccleshill) Limited | Construction | 2018 |
| Hall Road Ltd | Real estate | 2020 |
| Hall Software Limited | Information & communication | 2025 |
| Hall Wealth Management Limited | Financial services | 2016 |
| Hall's Watch Co Ltd | Wholesale & retail | 2025 |
| Halladn Ltd | Construction | 2026 |
| Hallam Limited | Professional & scientific | 2018 |
| Hallam Recruitment Ltd | Administrative & support | 2023 |
| Hallcroft Advisory Limited | Financial services | 2020 |
| Hallcroft Finance Limited | Administrative & support | 2010 |
| Hallcroft Private Limited | Financial services | 2023 |
| Hallgarth LLP | | 2011 |
| Halliday Cleaning Limited | Other services | 2017 |
| Halliday Heaton Limited | Real estate | 2020 |
| Hallidayme Ltd | Construction | 2019 |
| Hallie Cakes Limited | Manufacturing | 2025 |
| Halliwell Ward Developments Ltd | Construction | 2018 |
| Hallix Developments Limited | Construction | 2018 |
| Hallows Holiday Lets Ltd | Real estate | 2025 |
| Halls Building Solutions Ltd | Construction | 2026 |
| Halls Commercials Limited | Professional & scientific | 2021 |
| Halls Lettings Ltd | Real estate | 2019 |
| Halls Property Management Limited | Real estate | 2017 |
| Hallworth Consulting Ltd | Administrative & support | 2025 |
| Hally Houses Ltd | Real estate | 2024 |
| Hallyu Skin Limited | Wholesale & retail | 2024 |
| Halm Consultancy Services UK Ltd | Other services | 2025 |
| Halo Clean Ltd | Administrative & support | 2024 |
| Halo Design Agency Ltd | Manufacturing | 2024 |
| Halo Electrical Services Limited | Construction | 2013 |
| Halo Financial Limited | Financial services | 2004 |
| Halo I.S Ltd | Information & communication | 2019 |
| Halo Search Ltd | Administrative & support | 2024 |
| Halo UK Properties Ltd | Real estate | 2024 |
| Halomed Limited | Health & social care | 2023 |
| Halon Construction & Utilities Services Ltd | Construction | 2025 |
| Halt Enterprises Ltd | Financial services | 2022 |
| Halton Carpet Centre Limited | Wholesale & retail | 2022 |
| Halton Consults Limited | Information & communication | 2015 |
| Halton Mini Market Ltd | Wholesale & retail | 2026 |
| Halton Nails & Beauty Ltd | Other services | 2023 |
| Halton Skin Spa Ltd | Other services | 2025 |
| Halton Top Store Ltd | Wholesale & retail | 2024 |
| HAM and Cheese Ventures Ltd | Real estate | 2024 |
| Hama K Ltd | Hospitality | 2021 |
| Hamark Media Ltd | Wholesale & retail | 2018 |
| Hamatech. Ltd | Wholesale & retail | 2024 |
| Hamayon Exchange Ltd | Financial services | 1989 |
| Hambatroyd Limited | Health & social care | 2018 |
| Hamdan Ecom Ltd | Wholesale & retail | 2026 |
| Hamed Motors Leeds Ltd | Wholesale & retail | 2017 |
| Hamel Properties Limited | Real estate | 2022 |