| Hollycroftproperty Ltd | Real estate | 2025 |
| Hollywood Inspection Services Ltd | Professional & scientific | 2006 |
| Hollywood Nails (Doncaster) Limited | Other services | 2009 |
| Hollywood Nails 5 Stars Ltd | Other services | 2023 |
| Hollywood SIE Ltd | Other services | 2025 |
| Hollywood Slots UK Limited | Arts & recreation | 2020 |
| Holmans (Whitby) Ltd | Wholesale & retail | 2014 |
| Holmescarr ARK and Crafts Limited | Education | 2012 |
| Holmescarr Enterprise Community CIC | Real estate | 2026 |
| Holmesfood Ltd | Hospitality | 2024 |
| Holts Engineering Services Limited | Construction | 2024 |
| Holy Family Academy Trust | Education | 2014 |
| Home & More Doncaster Ltd | Wholesale & retail | 2023 |
| Home Brew Supplies Ltd | Wholesale & retail | 2010 |
| Home Crowd Management Ltd | Real estate | 2023 |
| Home Crowd Properties LLP | | 2018 |
| Home Energy Counsel Ltd | Construction | 2020 |
| Home Farm Court (Hooton Pagnell) Limited | Households | 2007 |
| Home Farm Equestrian Limited | Professional & scientific | 2006 |
| Home James Cars Limited | Wholesale & retail | 2002 |
| Home Safe Delivery Partners Ltd | Information & communication | 2014 |
| Home Security Doncaster Ltd | Administrative & support | 2024 |
| Home Services Assistance Limited | Construction | 2013 |
| Home Workshop (Doncaster) Limited | Wholesale & retail | 2013 |
| Home-Care Perfection (Doncaster) Ltd | Health & social care | 2025 |
| Homebright Cleaning Doncaster Ltd | Administrative & support | 2025 |
| Homenumber Property Management Limited | Construction | 1993 |
| Homepurse Ltd | Households | 2019 |
| Homes Away Ltd | Real estate | 2019 |
| Homes by Avalon Ltd | Real estate | 2024 |
| Homes by KB Ltd | Real estate | 2026 |
| Homes From the Elms Limited | Real estate | 2025 |
| Homescriptone Solutions Ltd | Wholesale & retail | 2023 |
| Homeviewcarpets Limited | Wholesale & retail | 2026 |
| Homeworks (Doncaster) Limited | Wholesale & retail | 2003 |
| Homeworks Financial Solutions Limited | Administrative & support | 2007 |
| Homie's Express 1 Ltd | Hospitality | 2023 |
| Homies 1 Ltd | Hospitality | 2023 |
| Honestus Europe Limited | Financial services | 2006 |
| Honey Bees Pre-School Community Interest Company | Education | 2013 |
| Honeybee Alarms Ltd | Administrative & support | 2024 |
| Honeypot Dining Limited | Hospitality | 2019 |
| Honeyspire Naturals Ltd | Extraterritorial | 2026 |
| Hong Kong Delights Takeaway Limited | Hospitality | 2017 |
| Honor and Trust Ltd | Wholesale & retail | 2015 |
| Hood Plumbing & Heating Services Limited | Construction | 2018 |
| Hoofs and Paws Ltd | Agriculture & fishing | 2020 |
| Hookway Restoration Ltd | Construction | 2025 |
| Hooky Productions Ltd | Arts & recreation | 2022 |
| Hooper Collective Ltd | Administrative & support | 2019 |
| Hooper Plant Hire Limited | Construction | 2014 |
| Hoopla Carna Ltd. | Wholesale & retail | 2003 |
| Hooton Pagnell (Trustees) Limited | Professional & scientific | 2016 |
| Hooton Pagnell Hall Limited | Hospitality | 2018 |
| Hope Health Kare Limited | Administrative & support | 2019 |
| Hope Heritage Services Limited | Transport & logistics | 2025 |
| Hope IT Consultancy Services Ltd | Agriculture & fishing | 2013 |
| Hope Joinery & Construction Ltd | Construction | 2024 |
| Hopeful Haven Limited | Real estate | 2025 |
| Horizon Wholesale Trading Ltd | Wholesale & retail | 2025 |
| Horizonwave Media Ltd | Extraterritorial | 2026 |
| Hornthorpe Developments Limited | Construction | 1999 |
| Horsehage Marketing Limited | Wholesale & retail | 1991 |
| Horsfield Engineering Services Ltd | Professional & scientific | 2019 |
| Horton Knights Estate Agents Limited | Real estate | 2007 |
| Horton Media Ltd | Information & communication | 2020 |
| Hortus Medicus Ltd | Health & social care | 2014 |
| Horus Aura Ltd | Information & communication | 2025 |
| Horvath Constructions Ltd | Construction | 2025 |
| Hosewell Investments Limited | Real estate | 1985 |
| Hospitable Limited | Health & social care | 2022 |
| Hot Chilli Games Ltd | Information & communication | 2020 |
| Hot Property Surveyors Ltd | Professional & scientific | 2024 |
| Hot Stuff DON Ltd | Hospitality | 2026 |
| Hotel Spares Limited | Wholesale & retail | 2019 |
| Hothi Property Group Ltd | Real estate | 2024 |
| Hottest Crab Ltd | Hospitality | 2026 |
| Houghton Bray Associates Ltd | Administrative & support | 2012 |
| House Island Ltd | Real estate | 2021 |
| House of Bespoke Ltd | Manufacturing | 2020 |
| House of EAD Ledger Solutions Limited | Professional & scientific | 2025 |
| House of Glam Ltd | Other services | 2024 |
| House of Huntington Ltd | Wholesale & retail | 2023 |
| House of Plans Limited | Professional & scientific | 2014 |
| House of Play (Europe) Limited | Arts & recreation | 2002 |
| House of Play Limited | Arts & recreation | 1994 |
| House of Strange Ltd | Arts & recreation | 2022 |
| House of Studio Ltd | Wholesale & retail | 2026 |
| House of Temper Limited | Manufacturing | 2025 |
| House X Ltd | Real estate | 2026 |
| Housestrong Limited | Manufacturing | 2001 |
| Housmart Property Ltd | Real estate | 2018 |
| HOW Club Limited | Other services | 2024 |
| Howard Maritime Services Ltd | Professional & scientific | 2022 |
| Howard Potts Operations Ltd | Professional & scientific | 2023 |
| Howarth Rail S&T Limited | Manufacturing | 2013 |
| Howe & Shaw Property Solutions Ltd | Construction | 2026 |
| Howto Ltd | Extraterritorial | 2021 |
| Howton Electrical Services Ltd | Construction | 2012 |
| Hoyle Mill Limited | Real estate | 2006 |