| Honez Ltd | Wholesale & retail | 2021 |
| Hong YIP Limited | Health & social care | 2005 |
| HONGHU6688 Ltd | Hospitality | 2026 |
| Hoola Estates Limited | Real estate | 2020 |
| Hooms Ltd | Wholesale & retail | 2018 |
| Hooper Property Holdings Limited | Real estate | 2022 |
| Hoor AA Logistics Ltd | Transport & logistics | 2025 |
| Hoor Cleaning Services Ltd | Administrative & support | 2025 |
| Hoor Services Ltd | Other services | 2025 |
| Hooray Appliance Solutions Ltd | Manufacturing | 2025 |
| Hooyo’S Spot Ltd | Hospitality | 2022 |
| Hope CAN Heal Counselling Centre Ltd | Health & social care | 2025 |
| Hope Flowers Limited | Wholesale & retail | 2023 |
| Hope Northern Investments Limited | Other services | 2019 |
| Hope Textiles Limited | Wholesale & retail | 2013 |
| Hope Ventures Ltd | Financial services | 2025 |
| Hope-Borland Associates Ltd | Administrative & support | 2013 |
| Hopebright School Ltd | Education | 2026 |
| Hopefield FAB (2022) Ltd | Manufacturing | 2022 |
| Hopefield FAB Limited | Manufacturing | 2010 |
| Hopeful Monster Ltd | Information & communication | 2024 |
| Hopkins Consulting Ltd | Professional & scientific | 2019 |
| Hopscotch Solutions Limited | Education | 1997 |
| Horizon Design Solutions Ltd | Professional & scientific | 2025 |
| Horizon Recruitment Solutions Ltd | Administrative & support | 2020 |
| Horizontech Consultancy Ltd | Information & communication | 2015 |
| Hornby Confectionery Limited | Manufacturing | 2011 |
| Hornes Dispensing Chemists Limited | Professional & scientific | 1953 |
| Hornes Properties Limited | Real estate | 2021 |
| Horrocks Hill Farm Estate Limited | Real estate | 2003 |
| Horrocks Skip Hire Limited | Water & waste | 2023 |
| Horse White LLP | | 2022 |
| Horseshoe Consultants Limited | Professional & scientific | 2021 |
| Horwich Aerials Installations Limited | Energy | 2009 |
| Horwich and Blackrod Community Events CIC | Administrative & support | 2025 |
| Horwich Appliance Centre Limited | Wholesale & retail | 2023 |
| Horwich Barbers Ltd | Other services | 2026 |
| Horwich Canine Company Ltd | Other services | 2026 |
| Horwich Carlines Limited | Wholesale & retail | 2011 |
| Horwich Carpets Limited | Wholesale & retail | 2011 |
| Horwich Chippy Ltd | Hospitality | 2019 |
| Horwich Claims Ltd | Professional & scientific | 2026 |
| Horwich Day Nursery Limited | Education | 2017 |
| Horwich Electrical Ltd | Construction | 2022 |
| Horwich Furniture Limited | Wholesale & retail | 2017 |
| Horwich Home Appliances Store Limited | Wholesale & retail | 2025 |
| Horwich Liquid Shop Ltd | Wholesale & retail | 2026 |
| Horwich Motorcycles Limited | Wholesale & retail | 2010 |
| Horwich Pound Plus Ltd | Wholesale & retail | 2026 |
| Horwich PUB Company Limited | Hospitality | 2017 |
| Horwich RMI Amateur Football Club CIC | Arts & recreation | 2024 |
| Horwich RMI Cricket Club Ltd | Arts & recreation | 2019 |
| Horwich Roof Lines Ltd | Construction | 2015 |
| Horwich Steelworks Limited | Manufacturing | 2013 |
| Horwich Vision Limited | Construction | 2008 |
| Hose-Tech Limited | Manufacturing | 1981 |
| Hoshigum Ltd | Wholesale & retail | 2019 |
| Hospitality Perspectives Ltd | Professional & scientific | 2023 |
| Hosu Commerce Ltd | Wholesale & retail | 2022 |
| Hot Chaii Limited | Wholesale & retail | 2024 |
| Hot Chicken Ltd | Hospitality | 2020 |
| Hot Chilli (Bolton) Limited | Hospitality | 2018 |
| Hot Flex Burger Ltd | Hospitality | 2021 |
| Hot Print Design (UK) Limited | Manufacturing | 2011 |
| Hot Wheels Bolton Ltd | Wholesale & retail | 2021 |
| Hotkey Consultancy Limited | Real estate | 2014 |
| Hotkey Hub Limited | Administrative & support | 2023 |
| Hough Solar Services Limited | Construction | 2024 |
| Houghton Cleaning Services Ltd | Administrative & support | 2025 |
| Houghtonco Investments Group Limited | Professional & scientific | 2003 |
| Hoults Contractors Ltd | Transport & logistics | 2023 |
| Hound Hideaway Ltd | Hospitality | 2025 |
| Hourican Business Services Ltd | Administrative & support | 2013 |
| House and Home Gifts Ltd | Wholesale & retail | 2025 |
| House Crowd Development Co 23 Limited | Real estate | 2018 |
| House Crowd Development Co 25 Limited | Real estate | 2018 |
| House Form Architects Limited | Professional & scientific | 2024 |
| House Improvement 24 Ltd | Construction | 2024 |
| House of Bargainz Ltd | Wholesale & retail | 2023 |
| House of Creations Limited | Wholesale & retail | 2023 |
| House of GB Training Academy Ltd | Education | 2022 |
| House of Justine Training Limited | Other services | 2024 |
| House of Rajas Limited | Wholesale & retail | 1986 |
| House of Scotti Ltd | Real estate | 2022 |
| House of Verve Limited | Other services | 2025 |
| House Savvy Limited | Construction | 2016 |
| House Without a Name Limited | Hospitality | 2012 |
| HOUSE2HOME Supported Housing CIC | Hospitality | 2022 |
| Household Heaven Ltd | Wholesale & retail | 2023 |
| Household Traders Limited | Wholesale & retail | 2021 |
| Houseofashion Ltd | Wholesale & retail | 2026 |
| Housesteads Ltd | Financial services | 2014 |
| Housework Films Limited | Information & communication | 2015 |
| Housing Disrepairs Group Ltd | Administrative & support | 2024 |
| Housinggurus Ltd | Wholesale & retail | 2025 |
| Hovair Limited | Extraterritorial | 2009 |
| Hovair Systems Limited | Extraterritorial | 2009 |
| Hovex Limited | Construction | 2014 |
| Howard Kleinmann Consultancy Ltd | Information & communication | 2016 |
| Howard Pugh Consulting Limited | Professional & scientific | 2026 |