| Hroes Limited | Information & communication | 2023 |
| HRP Holdings Limited | Professional & scientific | 1945 |
| HRP Limited | Wholesale & retail | 1964 |
| HRP OEM & Export Limited | Wholesale & retail | 2007 |
| HRP Partnership Investments LLP | | 2022 |
| HRS Foods Ltd | Hospitality | 2019 |
| Hruk Helping Hearts Limited | Administrative & support | 1981 |
| HS & Brothers Haulage Ltd | Transport & logistics | 2026 |
| HS Bawa Ltd | Wholesale & retail | 2024 |
| HS Footwear Ltd | Manufacturing | 2011 |
| HS MOT Services Ltd | Wholesale & retail | 2024 |
| HS Private Limited | Wholesale & retail | 2025 |
| HS Products Ltd | Manufacturing | 2004 |
| HS Project Solutions Ltd | Information & communication | 2012 |
| HS Properties Yorkshire Ltd | Real estate | 2026 |
| HS Technology Consulting Ltd | Information & communication | 2018 |
| Hs&Cs UK Limited | Administrative & support | 2025 |
| HS8 Limited | Wholesale & retail | 2020 |
| Hsae Ltd | Professional & scientific | 2016 |
| HSB Construction & Plant Hire Ltd | Construction | 2023 |
| Hscaeb Limited | Arts & recreation | 2025 |
| Hsda Properties Limited | Construction | 2024 |
| HSE Lettings Limited | Real estate | 2013 |
| Hseq Compliance Ltd | Professional & scientific | 2018 |
| Hseq Consultancy & Training Limited | Professional & scientific | 2017 |
| Hseq Smart Ltd | Professional & scientific | 2009 |
| Hshz Investments Limited | Real estate | 2020 |
| HSI Buldings Ltd | Construction | 2024 |
| Hskt Property Ltd | Real estate | 2020 |
| HSM Compliance Ltd | Professional & scientific | 2025 |
| Hsmgeo Ltd | Construction | 2021 |
| Hsms | Extraterritorial | 1974 |
| Hspp Investments Limited | Wholesale & retail | 2017 |
| Hspp Leeds LLP | | 2017 |
| HSR Consulting Services Limited | Information & communication | 2021 |
| HSR Estates Limited | Real estate | 2016 |
| HSS International (Holdings) Limited | Extraterritorial | 1950 |
| HSS Retail Limited | Wholesale & retail | 2023 |
| Hssproperty Ltd | Real estate | 2024 |
| HST Landlord Certification Limited | Professional & scientific | 2018 |
| HSUS92 Limited | Wholesale & retail | 2025 |
| HT Abode Ltd | Real estate | 2026 |
| HT Customs Limited | Professional & scientific | 2026 |
| HT Dente Ltd | Health & social care | 2021 |
| HT Enterprise Kirkstall Ltd | Hospitality | 2019 |
| HTA Accountants Ltd | Professional & scientific | 2011 |
| HTC Architects (Leeds) Limited | Professional & scientific | 2019 |
| HTC Architects (London) Ltd | Professional & scientific | 2023 |
| HTC Architects LLP | | 2016 |
| HTC Architecture Group Ltd | Financial services | 2024 |
| HTC Investments Limited | Transport & logistics | 2024 |
| HTE20 Limited | Administrative & support | 2021 |
| HTI London Limited | Construction | 2014 |
| HTI ST. James's Ltd | Health & social care | 2008 |
| Htik Limited | Information & communication | 2015 |
| HTJ Ltd | Wholesale & retail | 2026 |
| HTK Property Services Limited | Construction | 2014 |
| Htmn Holdings Limited | Financial services | 2024 |
| Htmn Property Investment Limited | Real estate | 2024 |
| HTO Consulting Limited | Professional & scientific | 2022 |
| HTP Engineering Ltd | Construction | 2024 |
| HTS Methley Limited | Professional & scientific | 2008 |
| HTS Wealth Management Ltd | Professional & scientific | 2022 |
| HTS1 Limited | Construction | 2022 |
| HU Caret 4 2 Limited | Real estate | 2019 |
| HU Caret 4 Limited | Manufacturing | 2018 |
| HU NAN Chinese Food Service Limited | Hospitality | 2017 |
| Huade Switchgear Limited | Wholesale & retail | 2026 |
| Huais Limited | Wholesale & retail | 2023 |
| Hubb and Wills Ltd | Wholesale & retail | 2020 |
| Hubbards Huddersfield Ltd | Hospitality | 2018 |
| Hubbards Leeds Ltd | Hospitality | 2016 |
| Hubbards Wakefield Ltd | Hospitality | 2015 |
| Hubbil Ltd | Information & communication | 2019 |
| Hubridge Ltd | Administrative & support | 2024 |
| Hubrx Holdings Limited | Health & social care | 2022 |
| Hubrx Ltd | Wholesale & retail | 2019 |
| Hubs for Communities Limited | Administrative & support | 2025 |
| Hubsprime Ltd | Wholesale & retail | 2026 |
| Huby 1961 Limited | Extraterritorial | 2015 |
| Huby and Weeton Preschool | Education | 2011 |
| Huby Close Limited | Extraterritorial | 2014 |
| Huby Court Management Company Limited | Households | 2014 |
| Huby Park Properties Ltd | Real estate | 2025 |
| Hubzstore Limited | Wholesale & retail | 2021 |
| Huck Holdings Limited | Financial services | 2026 |
| Hucklebuck Holdings Ltd | Construction | 2025 |
| Huddersfield Arborists Ltd | Agriculture & fishing | 2024 |
| Huddersfield Food Service Limited | Wholesale & retail | 2008 |
| Huddle Asset Finance Limited | Administrative & support | 2021 |
| Huddle Coffee Limited | Hospitality | 2024 |
| Huddle POT Limited | Real estate | 2024 |
| Hudson & Waudby Limited | Professional & scientific | 2015 |
| Hudson Blinds & Shutters Ltd | Wholesale & retail | 2017 |
| Hudson C S Ltd | Professional & scientific | 2022 |
| Hudson Developments Ltd | Construction | 2026 |
| Hudson Family Homes Ltd | Real estate | 2019 |
| Hudson Handyman Services Ltd | Construction | 2023 |
| Hudson Moore Limited | Extraterritorial | 2022 |
| Hudson's (Leeds) Limited | Construction | 2013 |