| H B Tools (Ormskirk) Limited | Wholesale & retail | 2021 |
| H Woodward Travel Ltd | Transport & logistics | 2026 |
| H&C Nails Ltd | Other services | 2025 |
| Habi N 1 Ltd | Wholesale & retail | 2024 |
| Hair & Home Ltd | Other services | 2026 |
| Hair & Spa Associates Ltd | Other services | 2012 |
| Hair by Leah Limited | Other services | 2025 |
| Halpin Corporate Cleaning Limited | Administrative & support | 2025 |
| Hamish Investments Limited | Professional & scientific | 2018 |
| Hanaway Limited | Construction | 2003 |
| Hando Development International Ltd | Professional & scientific | 2021 |
| Hando Foundation | Professional & scientific | 2021 |
| Hankin Roofing Limited | Construction | 2023 |
| Happily Ever After Bookshop Ltd | Wholesale & retail | 2025 |
| Hardacre & Maltpress Holdings Limited | Construction | 2017 |
| Hardy Couture Ltd | Wholesale & retail | 2023 |
| Harefield Coffee Barn Ltd | Wholesale & retail | 2016 |
| Haren Leisure Ltd | Arts & recreation | 2018 |
| Harrison Pet Services Limited | Wholesale & retail | 2018 |
| Harrisons Tea Room Limited | Hospitality | 2020 |
| Hatton Heritage Group Limited | Financial services | 2025 |
| Haus Capital Limited | Real estate | 2014 |
| Hausdoor Properties Ltd | Real estate | 2023 |
| Hawthorne Decorators Limited | | 1984 |
| Hawthorne Fork Truck Services Limited | Wholesale & retail | 1983 |
| Hawthorne Road Mini Market Ltd | Wholesale & retail | 2025 |
| Hawthorne Store L20 Ltd | Wholesale & retail | 2026 |
| HC Care Solutions Ltd | Health & social care | 2026 |
| HEA Bookshop Ltd | Wholesale & retail | 2025 |
| Heaps & Evans Engineering Group Ltd | Construction | 2024 |
| Heartwood North CIC | Education | 2025 |
| Hedgehog Animation Ltd | Arts & recreation | 2025 |
| Heed Life Limited | Wholesale & retail | 2019 |
| Hegarty Structures Ltd | Construction | 2018 |
| Helix Roofing Contractors Limited | Construction | 1995 |
| Helm Kitchens Ltd | Construction | 2014 |
| Helpic Ltd | Other services | 2017 |
| Hemmings Construction (NW) Limited | Construction | 2016 |
| Hermitage Properties Limited | Real estate | 1971 |
| Hertford Risk Management Services Limited | Construction | 2017 |
| HEX Logistics Ltd | Wholesale & retail | 2025 |
| Hexon Engineering Ltd | Manufacturing | 2021 |
| HG26 Properties Ltd | Real estate | 2026 |
| HHS Luxury Ltd | Transport & logistics | 2020 |
| Hillside Housing Ltd | Real estate | 2016 |
| Hillworth Holdings Ltd | Construction | 2020 |
| Hindmore Recruitment Solutions Limited | Administrative & support | 1996 |
| Hipshaws Cafe Bars Limited | Real estate | 1999 |
| HJG Limited | Education | 2024 |
| HLH Trade Ltd | Wholesale & retail | 2025 |
| HMD Group Ltd | Construction | 2022 |
| HNP TA Limited | Wholesale & retail | 2019 |
| Holborns (Drinks) Limited | Hospitality | 2016 |
| Holt Car Options Ltd | Wholesale & retail | 2004 |
| Home FIX Doors Ltd | Construction | 2026 |
| Home Furniture Rocks Limited | Manufacturing | 2025 |
| Home Liverpool Ltd | Hospitality | 2023 |
| Homestead Sales Limited | Real estate | 2017 |
| Hong WEI Chippy Ltd | Hospitality | 2020 |
| Honora Properties Limited | Real estate | 2014 |
| Hope Capital 2 Limited | Financial services | 2017 |
| Hope Capital 3 Limited | Financial services | 2019 |
| Hope Capital 4 Limited | Financial services | 2024 |
| Hope Capital 5 Limited | Other services | 2021 |
| Hope Capital HNW Limited | Financial services | 2022 |
| Hope Capital Limited | Financial services | 2011 |
| Hope Capital Match Funding Limited | Financial services | 2024 |
| Horizon Tree Services Limited | Administrative & support | 2025 |
| Horton Construction Services Ltd | Construction | 2024 |
| Hotaru Network Ltd. | Information & communication | 2022 |
| Housing Initiatives (U.K.) Ltd | Other services | 2001 |
| Howe ST Properties Limited | Real estate | 2025 |
| HR 1 Construction Limited | Public administration | 2023 |
| HRC (Wirral) Limited | Professional & scientific | 2015 |
| HST Golf Ltd | Education | 2024 |
| Huatai E-Commerce Ltd | Wholesale & retail | 2024 |
| Hughes & Jones (Baltic) Ltd | Real estate | 2017 |
| Hughes & Jones (Liverpool) Limited | Real estate | 2015 |
| Hughes Jones Watkinson Ltd | Real estate | 2024 |
| HV 168 Limited | Hospitality | 2026 |
| Hybrid Energy Systems Ltd | Construction | 2023 |
| Hybrid Technical Services Limited | Education | 2005 |
| Hygge Kitchens Limited | Construction | 2021 |
| Hyperion Fibre Ltd | Information & communication | 2023 |
| I & B Barber 2 Ltd | Other services | 2019 |
| I.H.S. Projects Limited | Professional & scientific | 2021 |
| I.T Software Consultancy Limited | Information & communication | 2007 |
| IAN Roche Associates Limited | Professional & scientific | 2015 |
| IBG Apparel Ltd | Wholesale & retail | 2024 |
| Icarus Wealth Management Ltd | Financial services | 2013 |
| Ice Research Limited | Manufacturing | 2021 |
| Icon Maintenance Ltd | Construction | 2022 |
| IDO Living Ltd | Real estate | 2025 |
| Ignacio Caldwell Holdings Limited | Financial services | 2025 |
| Ignite Holding Group Ltd | Construction | 2023 |
| Ignite Integrated Services Ltd | Construction | 2024 |
| Ijcl Catering Ltd | Hospitality | 2025 |
| IL Gatto Pazzo Vintage Ltd | Wholesale & retail | 2026 |
| Imac Office Cleaning (NW) Ltd | Administrative & support | 2025 |
| IMC Diving Services Limited | Manufacturing | 2024 |