| Hockley Developments Babbinton Hall Limited | Construction | 2025 |
| Hockley Developments Beck Lane Ltd | Construction | 2025 |
| Hockley Developments Limited | Construction | 2017 |
| Hockley Developments Loughborough Road Ltd | Construction | 2025 |
| Hockley Developments West Street Limited | Construction | 2025 |
| Hockley Fish Bar & Restaurant Ltd | Hospitality | 2026 |
| Hockley Food Ltd | Hospitality | 2018 |
| Hockley House Management Company Limited | Real estate | 2005 |
| Hockley Hustle Limited | Information & communication | 2015 |
| Hockley Mesa Ltd | Hospitality | 2020 |
| Hockley Moonrise Ltd | Professional & scientific | 2019 |
| Hockley Urban Ltd | Hospitality | 2017 |
| Hodgett's Property Development Ltd | Construction | 2025 |
| Hodgman Installation Ltd | Construction | 2025 |
| Hodgson Couriers Ltd | Transport & logistics | 2016 |
| Hodi Medical Limited | Health & social care | 2017 |
| Hodson Family Bakery Products Ltd | Wholesale & retail | 2024 |
| HOE TAI Company 1956 Ltd | Real estate | 2025 |
| Hoem Developments Ltd | Construction | 2020 |
| Hoffman Construction Group Ltd | Construction | 2022 |
| Hoft UK Consulting Limited | Information & communication | 2023 |
| Hofton & SON Limited | Construction | 1936 |
| Hofton Holdings Limited | Financial services | 2022 |
| Hofton Project Management Limited | Construction | 2019 |
| HOG Roast South Yorkshire Limited | Hospitality | 2019 |
| Hogglet Trading Ltd | Wholesale & retail | 2020 |
| Hogs Head Hotel (Awsworth) Limited | Hospitality | 2018 |
| HOI & KI Ltd | Transport & logistics | 2023 |
| HOI Shan Takeaway Limited | Hospitality | 2019 |
| Holbeach & Fleet Small Animal Clinic Limited | Professional & scientific | 2019 |
| Holborn Avenue 19/06/1954 Limited | Extraterritorial | 2013 |
| Holborn Cornerstone Limited | Professional & scientific | 2018 |
| Holden House Properties Limited | Real estate | 2024 |
| Holdencopley Ltd | Real estate | 2013 |
| Holdfast Investments Limited | Real estate | 1959 |
| Holdings HCL Limited | Wholesale & retail | 2024 |
| Holdvest 157 Limited | Financial services | 2025 |
| Holdvest 161 Limited | Financial services | 2025 |
| Holdvest 162 Limited | Financial services | 2025 |
| Holdvest 163 Limited | Financial services | 2025 |
| Holdvest 164 Limited | Financial services | 2025 |
| Holdvest 165 Limited | Financial services | 2025 |
| Holdvest 166 Limited | Financial services | 2025 |
| Holdvest 167 Limited | Financial services | 2025 |
| Holdvest 168 Limited | Financial services | 2025 |
| Holdvest 169 Limited | Financial services | 2025 |
| Holdvest 170 Limited | Financial services | 2025 |
| Holdvest 171 Limited | Financial services | 2025 |
| Holdvest 172 Limited | Financial services | 2025 |
| Holdvest 173 Limited | Financial services | 2025 |
| Holdvest 175 Limited | Financial services | 2025 |
| Holdvest 176 Limited | Financial services | 2025 |
| Holdvest 177 Limited | Financial services | 2025 |
| Holdvest 178 Limited | Financial services | 2025 |
| Holgate Holdings Limited | Financial services | 2022 |
| Holgate Transport Limited | Transport & logistics | 1980 |
| Holism Performance Ltd | Other services | 2025 |
| Holistic Care Group Ltd | Health & social care | 2024 |
| Holistic Direct Limited | Other services | 2026 |
| Holistic Education and Wellbeing Hub Ltd | Education | 2025 |
| Holistic Home Care Services Ltd | Health & social care | 2022 |
| Holistic Home Therapy Limited | Other services | 2024 |
| Holker Glass Limited | Manufacturing | 2008 |
| Holland Developments Limited | Construction | 2014 |
| Holland Property Services Ltd | Real estate | 2024 |
| Holland Road (Plymstock) Limited | Households | 2007 |
| Hollie Goodall Media Services Ltd | Professional & scientific | 2023 |
| Hollie INK Ltd | Arts & recreation | 2022 |
| Hollins and GEE Construction Ltd | Construction | 2020 |
| Hollins Homes (Bartle) Limited | Real estate | 2022 |
| Hollins Homes (Wingates) Limited | Construction | 2019 |
| Hollinwell Heights Management Company Limited | Construction | 2014 |
| Hollis and Henley Ltd | Construction | 2017 |
| Holloway Digital Services Limited | Information & communication | 2024 |
| Holly Court Care Ltd | Health & social care | 2023 |
| Holly Farm Residents Association Limited | Real estate | 2012 |
| Holly Grange Management Company Limited | Real estate | 2013 |
| Holly House Care Limited | Health & social care | 2018 |
| Holly Tree Farm Developments Ltd | Real estate | 2020 |
| Holly Tree Tithby Ltd | Real estate | 2020 |
| Hollygate Upholstery Ltd | Manufacturing | 2020 |
| Hollygirt School | Education | 2017 |
| Hollywood Nails (Newark) Limited | Other services | 2019 |
| Hollywoods Properties Limited | Construction | 2019 |
| Holme Pierepont Property Services Ltd | Construction | 2026 |
| Holme Pierrepont Investments Limited | Agriculture & fishing | 2025 |
| Holmes Tobacconist Ltd | Wholesale & retail | 2024 |
| Holmewood Homes Limited | Construction | 2014 |
| Holmgate Gardens Management Company Limited | Households | 2025 |
| Holocene Building Services Ltd | Professional & scientific | 2018 |
| Holod Property Ltd | Real estate | 2024 |
| Holomax Limited | Information & communication | 2012 |
| Holsteen Services Ltd | Construction | 2022 |
| Holt Croft Close Management Company Limited | Households | 2018 |
| Holt Digby Limited | Extraterritorial | 2009 |
| Holtview Limited | Manufacturing | 1997 |
| Holyk Media Ltd | Information & communication | 2021 |
| Holyk Properties Ltd | Real estate | 2019 |
| Holzcraft R&D Ltd | Professional & scientific | 2025 |
| Homalone Industries Ltd | Real estate | 2025 |