| Khawaja Traders Limited | Wholesale & retail | 2021 |
| Khaya Interiors Ltd | Professional & scientific | 2026 |
| KHR Gadgets Limited | Wholesale & retail | 2025 |
| Khwand Ltd | Information & communication | 2024 |
| KIA A4 Investment Limited | Financial services | 2021 |
| Kids Book Shop Ltd | Information & communication | 2024 |
| Kilbraugh Creative Ltd | Arts & recreation | 2024 |
| Kindness & Crust Limited | Hospitality | 2026 |
| Kings Rentals Limited | Other services | 2003 |
| Kiroos Ltd | Information & communication | 2026 |
| Kirsty&Ryan Ltd | Hospitality | 2017 |
| Kismat Kebab Ltd | Hospitality | 2023 |
| KIZ Enterprise Ltd | Real estate | 2023 |
| KK Investments Lancashire Limited | Real estate | 2023 |
| KKS Ltd | Wholesale & retail | 2006 |
| KM Hiley Construction Ltd | Construction | 2022 |
| KM Munir Ltd | Wholesale & retail | 2025 |
| KN Auto Services Ltd | Wholesale & retail | 2017 |
| Knct HQ Ltd | Professional & scientific | 2023 |
| Knct Services Ltd | Professional & scientific | 2023 |
| KNP Accountancy Ltd | Professional & scientific | 2013 |
| Knutsford Property Group Ltd | Construction | 2012 |
| Kobeda Cuisine Limited | Hospitality | 2020 |
| Kompliance Limited | Professional & scientific | 2014 |
| Konduwana Trading UK Ltd | Manufacturing | 2019 |
| Koplar Group Ltd | Construction | 2019 |
| Kravd Ltd | Hospitality | 2026 |
| Kresol Ltd | Health & social care | 2022 |
| KRJ Cooling Services Ltd | Construction | 2018 |
| Krunchy Fried Chicken Limited | Hospitality | 1986 |
| Ksa-Swat Ltd | Wholesale & retail | 2021 |
| KSI Cars Ltd | Wholesale & retail | 2021 |
| KTM Consulting Limited | Other services | 2015 |
| Kunjah Accounts Ltd | Professional & scientific | 2025 |
| Kyle Mossop Ltd | Transport & logistics | 2025 |
| L & S Cars Limited | Wholesale & retail | 2014 |
| L Squad Ltd | Manufacturing | 2025 |
| L&K Property and Refurbs Ltd | Construction | 2018 |
| L&M Textiles Limited | Wholesale & retail | 2003 |
| L.H.T. Enterprises Limited | Arts & recreation | 1996 |
| L4U Limited | Professional & scientific | 2020 |
| LA Villa Cafe Bar (Colne) Limited | Hospitality | 2008 |
| Lacasa Blinds Limited | Manufacturing | 2011 |
| Lala Foods Limited | Hospitality | 2019 |
| Lancashire Beer Company Limited | Wholesale & retail | 2014 |
| Lancashire Cars and Commercials Ltd | Transport & logistics | 2024 |
| Lancashire County Care Ltd | Health & social care | 2023 |
| Lancashire Crash Repairs Ltd | Wholesale & retail | 2022 |
| Lancashire Foods Ltd | Hospitality | 2024 |
| Lancashire Housing Solutions Limited | Real estate | 2025 |
| Lancashire Landjets Limited | Transport & logistics | 2026 |
| Lancashire Legal Services Ltd | Professional & scientific | 2026 |
| Lancashire Malik Catering Ltd. | Hospitality | 2018 |
| Lancashire PDR Ltd | Wholesale & retail | 2022 |
| Lancashire Prints Ltd | Manufacturing | 2025 |
| Lancashire Supplements Co Ltd | Manufacturing | 2025 |
| Lancashire Tile House Ltd | Wholesale & retail | 2026 |
| Lancashire Windows Ltd | Manufacturing | 2026 |
| Landway Properties Limited | Construction | 2013 |
| Langah Driving Services Limited | Wholesale & retail | 2024 |
| Langham Bar and Kitchen Ltd | Hospitality | 2021 |
| Lankany Leisure Limited | Hospitality | 2020 |
| LAS Vegas Furniture Ltd | Manufacturing | 2025 |
| Laser Hub Ltd | Manufacturing | 2025 |
| Laser Love Limited | Other services | 2013 |
| Lassi Ltd | Hospitality | 2026 |
| Lasting Impressions Ironing Service Limited | Other services | 2005 |
| Lavilla Cafe Bar Limited | Hospitality | 2020 |
| Lawford Investments Ltd | Construction | 2021 |
| Lawson Clark Limited | Administrative & support | 1993 |
| Lawton Powerfix Ltd | Wholesale & retail | 2019 |
| Layzal Worldwide Ltd | Wholesale & retail | 2020 |
| Lazion Solutions Ltd | Wholesale & retail | 2025 |
| LC Spaces Ltd | Real estate | 2023 |
| Lc&Lc Limited | Transport & logistics | 2022 |
| Lean & Green Consulting Ltd | Professional & scientific | 2023 |
| Leanne Holt Ltd | Other services | 2025 |
| Leapsandboundstuition Ltd | Education | 2022 |
| Leapstone Learning Ltd | Education | 2025 |
| Learning Cubs Ltd | Education | 2020 |
| LED Group Holdings Limited | Financial services | 2025 |
| LED Solar PV Limited | Construction | 2011 |
| Ledasi | Financial services | 2025 |
| Ledgerhaus Ltd | Professional & scientific | 2025 |
| Legacy Logistics Ltd | Transport & logistics | 2021 |
| Legal Advice Direct Northwest Ltd | Information & communication | 2016 |
| Legal Experience Finder Ltd | Information & communication | 2025 |
| Legit Accountants Ltd | Administrative & support | 2016 |
| Leonard Cleaning Service Ltd | Construction | 2020 |
| Lets Go Physio Ltd | Health & social care | 2022 |
| Lets Play (Everywhere) Limited | Professional & scientific | 2009 |
| Lexco Construction Ltd | Construction | 2022 |
| LGM Consulting Limited | Professional & scientific | 2023 |
| LH Imaging Limited | Health & social care | 2024 |
| LHC Recruitment Ltd | Administrative & support | 2023 |
| LIA & Alaia Investments Ltd | Real estate | 2026 |
| Libra Property Management and Development Ltd | Construction | 2025 |
| LICENSING4U Ltd | Administrative & support | 2018 |
| Life-Line Care 4 U Limited | Health & social care | 2014 |
| Lighting Bay Ltd | Wholesale & retail | 2010 |