| Henshaws Waste Management LLP | | 2012 |
| Heptarch Ltd | Manufacturing | 2024 |
| HER OUT Ltd | Wholesale & retail | 2025 |
| Herbot Limited | Financial services | 2021 |
| Herdwise Limited | Agriculture & fishing | 2015 |
| Heritage Floors Ltd | Manufacturing | 2026 |
| Heroic Household Supplies Limited | Wholesale & retail | 2020 |
| Heron Coaching LLP | | 2024 |
| Hester Sabery Limited | Administrative & support | 2022 |
| Hewetson Mill Limited | Real estate | 2021 |
| HEX Hairdressing Ltd | Other services | 2021 |
| Hexus Music T/A Crown Arts Ltd | Professional & scientific | 2012 |
| HEY Digital Limited | Professional & scientific | 2017 |
| HEY Electrics Ltd | Construction | 2023 |
| HEY Homes Group Ltd | Financial services | 2021 |
| Heybridge Holdco Ltd | Financial services | 2024 |
| Heybridge Holding Limited | Real estate | 2022 |
| Heyscroft Consultancy Ltd | Real estate | 2019 |
| HFC Property Services Ltd | Construction | 2020 |
| HG Clowes Ltd | Transport & logistics | 2025 |
| HG Sutton Ltd | Households | 2020 |
| HI Holiday Lettings Ltd | Real estate | 2024 |
| Hichards Limited | Professional & scientific | 2015 |
| Hicksons Court Property Management Ltd | Households | 2014 |
| Hieran Consulting Ltd | Professional & scientific | 2026 |
| High Flying Women Limited | Professional & scientific | 2017 |
| High Noon (Great Warford) Residents Management Company Limited | Households | 2025 |
| High Peak Commercial Repairs Ltd | Wholesale & retail | 2023 |
| High Peak Scientific Limited | Professional & scientific | 2025 |
| High Peak Sky Ltd | Real estate | 2022 |
| High Peak Systems Limited | Information & communication | 2004 |
| High Performance Liquid Chromatography Direct Limited | Professional & scientific | 2020 |
| Highfield Swift Limited | Administrative & support | 2020 |
| Highland Crown Ltd. | Wholesale & retail | 1997 |
| Hightorrs Limited | Administrative & support | 2017 |
| Hignett Holdings Ltd. | Real estate | 2015 |
| Higson’S Grab Hire Ltd | Transport & logistics | 2025 |
| Hilditch Developments Limited | Real estate | 2000 |
| Hill Town Consultants Limited | Professional & scientific | 2023 |
| Hillglen Limited | | 1975 |
| Hillmoor Farm Ltd | Agriculture & fishing | 2025 |
| Hills Green Limited | Agriculture & fishing | 2007 |
| Hillside Animal Medics Ltd | Professional & scientific | 2019 |
| Hilltop Advisory Services Limited | Professional & scientific | 2021 |
| Hilltop Country House Cheshire Limited | Households | 2020 |
| Hilly Limited | Manufacturing | 2005 |
| Hinds Developments Limited | Construction | 2021 |
| Hindsight Collective Ltd | Manufacturing | 2017 |
| Hioco 25 Ltd | Construction | 2022 |
| Histoire Pictures Ltd | Arts & recreation | 2014 |
| Historic Car Parts Limited | Wholesale & retail | 2008 |
| Hits on the Pitch Ltd | Arts & recreation | 2024 |
| HJC Recruitment Ltd | Administrative & support | 2021 |
| HJR Partnership Limited | Other services | 2014 |
| Hjupay Ltd | Wholesale & retail | 2025 |
| HK Horizon Property Group Ltd | Real estate | 2025 |
| HKB Heating Ltd | Construction | 2024 |
| HKO Autos Ltd | Wholesale & retail | 2024 |
| HKO Vehicles Ltd | Wholesale & retail | 2023 |
| HLR Lims Consulting Ltd | Information & communication | 2022 |
| HM Nutrition Limited | Arts & recreation | 2021 |
| HMD Registry Services Limited | Administrative & support | 2020 |
| HMJ Solutions Limited | Professional & scientific | 2022 |
| HML Express Limited | Transport & logistics | 2003 |
| HMO Inspire Ltd | Real estate | 2021 |
| Hmpo Ltd | Administrative & support | 2026 |
| HN 36 Property Ltd | Real estate | 2025 |
| HN Barber Shop Limited | Other services | 2020 |
| Hobson Green Limited | Agriculture & fishing | 2014 |
| Hodgkinson Associates Limited | Information & communication | 2012 |
| Hodl Projects Ltd | Information & communication | 2022 |
| Hogbens Property Services Ltd | Professional & scientific | 2013 |
| Holawild Limited | Wholesale & retail | 2024 |
| Holden & Prescott Sales Limited | Real estate | 2025 |
| Holder Builders Co Ltd | Construction | 2024 |
| Holder Builders Services Limited | Construction | 2019 |
| Holdsdoors Limited | Wholesale & retail | 2024 |
| Holistic Software Ltd | Information & communication | 2020 |
| Holla Group Limited | Professional & scientific | 2017 |
| Hollin Consulting Limited | Professional & scientific | 2004 |
| Hollin Group Limited | Professional & scientific | 2016 |
| Hollin Hall Copro Limited | Administrative & support | 2016 |
| Hollis Heat Ltd | Construction | 2025 |
| Holly MAY Marketing Limited | Professional & scientific | 2022 |
| Holly Tree Montessori Nursery Limited | Education | 2002 |
| Hollybank Care Home Ltd | Health & social care | 2013 |
| Hollybank Management Co. Limited | Households | 1980 |
| Holmes Naden (Estates) Holdings Limited | Real estate | 2018 |
| Holmes Naden (Estates) Limited | Real estate | 1992 |
| Home Maid Cleaning Services Ltd | Administrative & support | 2024 |
| Home Offer Ltd | Real estate | 2005 |
| Home Taping Limited | Other services | 2024 |
| Home Timber Products Limited | Manufacturing | 2003 |
| Homecare Group Ltd | Health & social care | 2019 |
| Homed Living Ltd | Manufacturing | 2025 |
| Homeland Cabinetmakers & Specialist Joinery Ltd | Manufacturing | 2014 |
| Homeworks (North West) Limited | Construction | 2015 |
| Hope Gymnastics Club CIC | Arts & recreation | 2026 |
| Hope Perspectives Ltd | Professional & scientific | 2021 |
| Horizon Polymers Ltd | Manufacturing | 2021 |