| Hawkes & Wright Ltd | Wholesale & retail | 2012 |
| Hawkshead Developments Limited | Construction | 2026 |
| Hayrack Development CIC | Hospitality | 2023 |
| Hayracks Cafe Limited | Hospitality | 2012 |
| HBS Wirral Limited | Wholesale & retail | 2012 |
| Healthify Limited | Information & communication | 2024 |
| Heatherland Motors Ltd | Wholesale & retail | 2007 |
| HH Digital Consultancy Limited | Professional & scientific | 2024 |
| Hickley Medical Limited | Health & social care | 2022 |
| Hilton Spas Limited | Extraterritorial | 2003 |
| Himac Services Ltd | Professional & scientific | 2011 |
| Hinderton Estates Limited | Real estate | 1984 |
| Hinderton Limited | Professional & scientific | 2025 |
| Hipandknee Limited | Health & social care | 2011 |
| HOM3 Ltd | Real estate | 2023 |
| Home Farm Barns Puddington Management Company Limited | Households | 2013 |
| Home Farm Puddington Management Limited | Real estate | 2006 |
| Homeiq Consulting Ltd | Information & communication | 2025 |
| Homestead Property Maintenance Limited | Construction | 2016 |
| Horseshoe Nurseries Ltd | Wholesale & retail | 2010 |
| HPD Bathrooms Ltd | Wholesale & retail | 2016 |
| HPD Services Ltd | Information & communication | 2020 |
| HRX Advisory Ltd | Professional & scientific | 2025 |
| Hughes Engineering and Software Ltd. | Professional & scientific | 1996 |
| Hunter Projects Ltd | Construction | 1992 |
| Huxley Capital Ltd | Construction | 2020 |
| Huxley Commercial Holdings Ltd | Construction | 2022 |
| Hydrojen Limited | Professional & scientific | 2019 |
| Hypa Spa Limited | Wholesale & retail | 2017 |
| IEC Medical Limited | Health & social care | 2024 |
| Imagination Homes Ltd | Real estate | 2017 |
| Imell Ltd | Construction | 2016 |
| Inclusive Support and Care Limited | Health & social care | 2023 |
| Indian Olive (Neston) Ltd | Hospitality | 2024 |
| Individual Strategies Limited | Professional & scientific | 2014 |
| Inn Trade Associates Ltd | Professional & scientific | 2006 |
| Integra FD Advisory Limited | Professional & scientific | 2026 |
| International Pheromone Systems Limited | Wholesale & retail | 1984 |
| Intersalesnw Ltd | Wholesale & retail | 2022 |
| Intotum Designs Limited | Professional & scientific | 2023 |
| Intotum Limited | Professional & scientific | 2023 |
| Isaac White Estate Agency Ltd | Real estate | 2026 |
| J a Allister Opticians Limited | Health & social care | 1999 |
| J Vent Services Limited | Construction | 2025 |
| J&J (Chester) Holdings Ltd | Financial services | 2020 |
| J.L.F. Consulting Engineers Limited | Professional & scientific | 2019 |
| J.L.F. Developments Limited | Construction | 1990 |
| J.L.F. Management Limited | Professional & scientific | 1980 |
| J.L.F. Plant Hire Limited | Administrative & support | 1980 |
| JA Higgs Electrical Limited | Construction | 2003 |
| Jame Estates Limited | Real estate | 2023 |
| James Churchill Ellis Ltd | Hospitality | 2025 |
| James Rozario Homes Ltd | Real estate | 2021 |
| Janna Bathrooms Ltd | Wholesale & retail | 2026 |
| Jasmicka Properties Ltd | Households | 2025 |
| JK Quinn Limited | Real estate | 2025 |
| John Ironmonger Words Limited | Arts & recreation | 2022 |
| Jones Developments (NW) Ltd | Construction | 2020 |
| Jordan Associates Surveying Limited | Professional & scientific | 2007 |
| Jordan M Williams Ltd | Construction | 2025 |
| JS Tech Group Ltd | Financial services | 2017 |
| JW Engineering Consulting Ltd | Professional & scientific | 2016 |
| K G Bell Limited | Construction | 2018 |
| K K Restaurant Limited | Hospitality | 2015 |
| K-Spection Ltd | Mining & quarrying | 2018 |
| Kangaroo Training Limited | Education | 2013 |
| Kapelo Limited | Information & communication | 2021 |
| Katy Beetham Ltd | Administrative & support | 2024 |
| Kaye Edwards Business Services Ltd | Health & social care | 2021 |
| Keel HEY Management Limited | Households | 2002 |
| Keen Marketing Consultancy Ltd | Information & communication | 2012 |
| Keystone Construction Consulting Limited | Professional & scientific | 2025 |
| KGB Vapes Limited | Transport & logistics | 2018 |
| Kirk Investments Limited | Financial services | 2001 |
| Kiwi Drilling Services Ltd | Professional & scientific | 2025 |
| Konarna Ltd | Manufacturing | 2024 |
| KP Pipeworkx Ltd | Administrative & support | 2023 |
| KS Jackson Roofing Ltd | Construction | 2020 |
| L & JB Davies & Partners Limited | Agriculture & fishing | 2021 |
| L Baker Developments Limited | Real estate | 2018 |
| Laburnum Holdings Limited | Financial services | 2025 |
| Lancashire Care Limited | Administrative & support | 2017 |
| Langleys Property Limited | Real estate | 2019 |
| Langness Consultancy Limited | Professional & scientific | 2024 |
| Lawnhopper (Liverpool) Limited | Administrative & support | 2025 |
| Lawnhopper (Runcorn) Limited | Administrative & support | 2025 |
| Lawnhopper (Wirral) Limited | Other services | 1996 |
| Lawnhopper Limited | Other services | 2004 |
| LC HR Consult Ltd | Administrative & support | 2022 |
| LCJ Services Ltd | Professional & scientific | 2025 |
| Leader Executive Coaching Ltd | Professional & scientific | 2025 |
| Leadership Mojo Ltd | Professional & scientific | 2012 |
| LEE Financial Planning Limited | Financial services | 2014 |
| Leighton Hall (Parkgate) Management Company Limited | Other services | 2006 |
| Leisure SC Group Ltd | Manufacturing | 2022 |
| Leslie Consultancy (Wirral) Limited | Professional & scientific | 2015 |
| Letify Properties Ltd | Real estate | 2025 |
| Letterbox Pro Ltd | Information & communication | 2023 |
| LG Social Care Ltd | Health & social care | 2025 |
| Liambiff Electrical Ltd | Construction | 2025 |