| Hartford Coffee Co Ltd | Hospitality | 2024 |
| Hartford Environmental LP | | 2009 |
| Hartford Gospel Ministries Trust | Other services | 2002 |
| Hartford MOT Limited | Wholesale & retail | 2012 |
| Hartford SUB Aqua Club Ltd | Arts & recreation | 2026 |
| Hartford Tree Care Ltd | Agriculture & fishing | 2024 |
| Hartleys Professional Tree Surgeons Limited | Administrative & support | 2016 |
| Hartmere Consulting Limited | Professional & scientific | 2014 |
| Hartwell Retail Limited | Wholesale & retail | 2024 |
| Hartwood Horizons | Financial services | 2025 |
| Harvester Opportunities-Inview Limited Partnership | | 2010 |
| HAS GAS Heating & Plumbing Ltd | Construction | 2023 |
| Haslam Morris Associates Limited | Professional & scientific | 2001 |
| Hatherlow Limited | Real estate | 2011 |
| Hatherlow Property Limited | Real estate | 2016 |
| Hatton Fans Limited | Wholesale & retail | 1966 |
| Haven Consultancy Services Limited | Professional & scientific | 2023 |
| Hayden Clark Consulting Ltd | Professional & scientific | 2009 |
| Hayes Hospitality Consulting Ltd | Wholesale & retail | 2025 |
| Hazeldean Morrice Property Ltd | Real estate | 2021 |
| Hazhar Car Wash Ltd | Administrative & support | 2021 |
| HCF Enterprises Ltd | Wholesale & retail | 2021 |
| HCL (Electrical Contractors) Limited | Construction | 2021 |
| HCP Limited | Wholesale & retail | 2017 |
| HD Travel Ltd | Administrative & support | 2013 |
| HDA Oral Surgery Services Limited | Health & social care | 2006 |
| HDS Super Stores Limited | Wholesale & retail | 2021 |
| Head Space Members Club Ltd | Health & social care | 2024 |
| Headsupbarbershop Ltd | Other services | 2022 |
| Healinghandshealthcareservicenorthwest Ltd | Health & social care | 2026 |
| Healthcare Partners and Associates Limited | Professional & scientific | 2017 |
| Healthwatch Cheshire CIC | Health & social care | 2011 |
| Heartfelt Hats & Accessories Ltd | Manufacturing | 2026 |
| Heavenly House Cleaners Limited | Extraterritorial | 2018 |
| Heavenscent Gardens Ltd | Administrative & support | 2018 |
| Hebblewhite Property Services Ltd | Real estate | 2024 |
| Hedgehogardens Ltd | Information & communication | 2025 |
| Hefferston Hall Management Company Limited | Households | 1997 |
| Hefferstone Limited | Real estate | 2013 |
| Helmet 28 Limited | Other services | 2015 |
| Henlys Heritage Limited | Mining & quarrying | 2023 |
| Henri-Jenna Ltd | Wholesale & retail | 2015 |
| Heptonstall Creative Limited | Professional & scientific | 2021 |
| Heraldon Estates Ltd | | 2008 |
| Heritage Apparel Bidco Ltd | Wholesale & retail | 2025 |
| Heritage Apparel Ltd | Wholesale & retail | 2014 |
| Heswall Beds and Furniture Limited | Wholesale & retail | 2015 |
| Heymr Limited | Wholesale & retail | 2015 |
| HF Regulatory Consulting Ltd | Professional & scientific | 2022 |
| Hfabs (North) Limited | Manufacturing | 2015 |
| HG Corporate Finance Limited | Professional & scientific | 2015 |
| Higgins & SON Utilities Ltd | Construction | 2026 |
| Higginson Developments Ltd | Construction | 2019 |
| High Court Enforcement Officers Association Limited | Public administration | 2004 |
| Highash Farms Ltd | Extraterritorial | 2020 |
| Highcroft Securities UK Limited | Financial services | 1967 |
| Hignett and Hardman Warehouses and Removals Limited | Transport & logistics | 2025 |
| Higson Geophysical Services Ltd | Professional & scientific | 2017 |
| Hill Top Farming Company | Agriculture & fishing | 2013 |
| Hill Top Grange (Davenham) Management Company Limited | Households | 2016 |
| Hillgate Enterprises Holdings Limited | Financial services | 2025 |
| Hillgate Enterprises Ltd. | Other services | 1998 |
| Hillside House Management Limited | Households | 1988 |
| Hiltons of Northwich Ltd | Wholesale & retail | 2010 |
| Hilzy Solutions Ltd | Information & communication | 2026 |
| Himoinsa Power Solutions Ltd | Wholesale & retail | 2013 |
| Hinde Racing Ltd | Wholesale & retail | 2016 |
| HIS STORY1 Ltd | Other services | 2025 |
| HIT Ventures Ltd | Real estate | 2025 |
| Hobley Music School Ltd | Information & communication | 2021 |
| Holden and Holroyd Properties Limited | Hospitality | 2020 |
| Holdings MDC Ltd | Construction | 2026 |
| Holiday Cottage Consultants Ltd | Professional & scientific | 2018 |
| Holliejollie Ltd | Education | 2020 |
| Hollybank Investments Ltd | Real estate | 2013 |
| Holmberg Micro Ltd | Information & communication | 2023 |
| Holmes Hub Ltd | Wholesale & retail | 2024 |
| Home Sweet Home Property Management 1 Ltd | Households | 2024 |
| Homefield PVT UK Ltd. | Professional & scientific | 2005 |
| Homestead Garage LLP | | 2014 |
| Homey Dwells Limited | Real estate | 2021 |
| Honey Badger Clan Ltd | Public administration | 2020 |
| Hong YUN 168 Ltd | Hospitality | 2025 |
| Hoods Building & Maintenance Ltd | Construction | 2018 |
| Hoor Traders Ltd | Wholesale & retail | 2022 |
| Hoqsalons Ltd. | Other services | 2016 |
| Hormbreys Butchers (Barnton) Limited | Wholesale & retail | 2012 |
| Hornby Ecology Limited | Professional & scientific | 2024 |
| Hornby Estates Limited | Real estate | 2025 |
| Horne Roofing Ltd | Construction | 2021 |
| Horse and Hound Sales Ltd | Agriculture & fishing | 2024 |
| Horsebox Hospital Limited | Manufacturing | 2020 |
| Hortitech Projects Ltd | Professional & scientific | 2024 |
| Horton Haulage Ltd | Transport & logistics | 2020 |
| Hospitality Management Limited | Administrative & support | 2019 |
| Hot Architecture Limited | Professional & scientific | 2003 |
| Hot Shepherd Limited | Administrative & support | 2014 |
| Hotpod Yoga Northwich Ltd | Other services | 2024 |
| Houd Hair Limited | Manufacturing | 2026 |
| Hough Bellis Communications Limited | Professional & scientific | 2016 |