| Harmonics Music Limited | Wholesale & retail | 2010 |
| Hasting Property Company Ltd | Real estate | 2026 |
| Hawksheads Limited | Hospitality | 2005 |
| HD Cars (Liverpool) Ltd | Wholesale & retail | 2023 |
| HD Cars and Commercials (Liverpool) Ltd | Wholesale & retail | 2025 |
| Hearthcote Property Services Limited | Real estate | 1986 |
| Heatons Garage Limited | Wholesale & retail | 2002 |
| Heavygate Holdings Ltd | Financial services | 2023 |
| Heavygate Marketing Limited | Professional & scientific | 2018 |
| Hesketh Heating & Plumbing Limited | Construction | 2022 |
| Hingermann Technical Services Ltd | Construction | 2023 |
| Hobwood Limited | Construction | 1998 |
| Holden Associates Limited | Professional & scientific | 2002 |
| Home Move Comparison Ltd | Professional & scientific | 2026 |
| Horseshoe Contracting Limited | Agriculture & fishing | 2022 |
| Hospitality Solutions by Omnitec Limited | Information & communication | 2017 |
| House Digital Ltd | Administrative & support | 2010 |
| Howard Estates Limited | Construction | 1972 |
| Hoyles Brickwork & Construction Ltd | Construction | 2025 |
| Hoyles Holdings Ltd | Financial services | 2025 |
| HRH International Exports Ltd | Wholesale & retail | 2006 |
| IGA Advisory Limited | Professional & scientific | 2018 |
| IN Competition Racing Limited | Arts & recreation | 2010 |
| Industrial Hazardous Area Services Ltd | Professional & scientific | 2018 |
| Infinite Perspectives Ltd | Education | 2013 |
| Infinity Contracting Limited | Construction | 2024 |
| Intelligent Sales Limited | Professional & scientific | 2008 |
| Invictus Protect Limited | Financial services | 2018 |
| Irving HR Consultants Ltd | Administrative & support | 2018 |
| ITH Bolting Technology UK Ltd | Professional & scientific | 2019 |
| Ivan Property Developments Ltd | Real estate | 2024 |
| J & C Ashley & Sons Transport Ltd | Transport & logistics | 2010 |
| J & C O'Meara Limited | Wholesale & retail | 1990 |
| J & K Construction Limited | Construction | 2002 |
| J Clarke Investments Limited | Real estate | 2012 |
| J.P.W Lift Services Ltd | Construction | 2023 |
| Jack Parker Cycles Ltd | Wholesale & retail | 2023 |
| Jacob Matthews Ltd | Wholesale & retail | 2016 |
| James Meehan Ltd | Construction | 2010 |
| JDL Flooring Ltd | Construction | 2013 |
| JET Wash Screens UK Limited | Manufacturing | 2016 |
| JKO Engineers Limited | Construction | 2018 |
| JLO Commercial Consulting Ltd | Professional & scientific | 2026 |
| JMD Creative Limited | Professional & scientific | 2013 |
| JP Management Solutions Ltd | Administrative & support | 2023 |
| Jpdl Consulting Limited | Professional & scientific | 2019 |
| Jrkw Ltd | Administrative & support | 2023 |
| JRS Property Renovations Limited | Construction | 2012 |
| Jtcf Events Limited | Arts & recreation | 2025 |
| Jtcf Limited | Arts & recreation | 2023 |
| June Bowers Ltd | Health & social care | 2020 |
| K & S Places Limited | Hospitality | 2025 |
| K Rooney Investments Limited | Real estate | 2026 |
| Karen Tems Ltd | Administrative & support | 2014 |
| Karl Vella Ltd | Administrative & support | 1993 |
| Kartworld Racing Ltd | Arts & recreation | 2018 |
| KC Computers NW Limited | Manufacturing | 2016 |
| KEE Connections Limited | Manufacturing | 2006 |
| Keith Stopforth Consultancy Ltd. | Professional & scientific | 2012 |
| Keoma Foods Ltd | Wholesale & retail | 2013 |
| Kiddies Investments Limited | Real estate | 1964 |
| Kieran Bradley Limited | Information & communication | 2014 |
| Kirkwood Wilson Limited | Professional & scientific | 2006 |
| Kitchen Desire Ltd | Professional & scientific | 2020 |
| Kitchequip Limited | Extraterritorial | 2011 |
| KSR Consultancy (NW) Limited | Professional & scientific | 2016 |
| Kundig Limited | Wholesale & retail | 1996 |
| KW Digital Ltd | Administrative & support | 2020 |
| L & B Brickwork Ltd | Construction | 2014 |
| Lagom Bakery Limited | Manufacturing | 2022 |
| Lancashire Bids Limited | Professional & scientific | 2020 |
| Lancashire Crisps Ltd | Manufacturing | 2010 |
| Lancashire Fabrications Ltd | Manufacturing | 2021 |
| Lane END Enterprise Ltd | Wholesale & retail | 2012 |
| Lane END HLE Ltd | Wholesale & retail | 2017 |
| Lane END TV Ltd | Wholesale & retail | 2017 |
| Lathom Hire Ltd | Administrative & support | 2014 |
| Laura Dawn Ltd | Health & social care | 2025 |
| Lawson Photography Limited | Professional & scientific | 2022 |
| LES Evans Auto Ltd | Wholesale & retail | 2019 |
| Leyland Beds and Furniture Ltd | Wholesale & retail | 2014 |
| LFD Holdings Limited | Financial services | 2023 |
| Lift Plan Ltd | Transport & logistics | 2011 |
| Link Print & Packaging Limited | Wholesale & retail | 1996 |
| Lisconn Ltd | Administrative & support | 2025 |
| Liyu England Limited | Wholesale & retail | 2024 |
| LJ Elite Finishing Limited | Construction | 2019 |
| LM Tutoring Limited | Education | 2024 |
| LM6 Commercial Property Limited | Real estate | 2015 |
| Lockfit (Southport) Ltd | Administrative & support | 2024 |
| Loft Side Living Limited | Real estate | 2016 |
| London Specialist Capital Limited | Administrative & support | 2007 |
| LSC Motor Company Limited | Wholesale & retail | 2011 |
| Luach Consulting Group Limited | Professional & scientific | 2019 |
| Lumsden Group Ltd | Financial services | 2026 |
| LV Prestige Travel Limited | Administrative & support | 2023 |
| M & P Doyle Properties Limited | Administrative & support | 2009 |
| M Hogan Ltd | Transport & logistics | 2020 |
| M J Forshaw Limited | Professional & scientific | 2024 |
| M. J. COX Plumbing & Heating Limited | Construction | 2017 |