| Luxury Movements Ltd | Wholesale & retail | 2025 |
| Luxury Styles Ltd | Wholesale & retail | 2019 |
| Lvbbamb Ltd | Real estate | 2024 |
| Lvng Limited | Information & communication | 2020 |
| LWA Consultancy Ltd | Professional & scientific | 2021 |
| Lycan Enterprises Ltd | Wholesale & retail | 2022 |
| Lynch Professional Services Ltd | Administrative & support | 2022 |
| Lynchpin Accountancy Ltd | Information & communication | 2015 |
| Lyndale Court Flats Limited | Households | 1976 |
| Lyndale Fabrics Limited | Wholesale & retail | 2006 |
| Lynden Properties North West Limited | Real estate | 2017 |
| Lynns Laundry & Ironing Ltd | Other services | 2022 |
| Lynton Apartments Management Co Ltd | Households | 2022 |
| Lynwood Hotel Ltd | Hospitality | 2022 |
| Lyons Atlas Ltd | Wholesale & retail | 2025 |
| Lyora Ltd | Information & communication | 2025 |
| Lytham & ST Annes Window Cleaning Service Ltd | Administrative & support | 2015 |
| Lytham and Fylde Motors Ltd | Wholesale & retail | 2023 |
| Lytham Business Park Ltd | Real estate | 2024 |
| Lytham Food & Wine Ltd | Wholesale & retail | 2022 |
| Lytham Grab Hire Limited | Extraterritorial | 2018 |
| Lytham Heating Ltd | Construction | 2025 |
| Lytham Logs Ltd | Wholesale & retail | 2009 |
| Lytham Property Management Limited | Financial services | 2026 |
| Lytham Quays (Heritage) Management Company Limited | Households | 2012 |
| Lytham Road Laundry Ltd | Other services | 2022 |
| Lytham Road MOT & Service Station Ltd | Wholesale & retail | 2024 |
| Lytham ST Annes Spitfire Display Team Ltd | Administrative & support | 2015 |
| LZY Marine Limited | Extraterritorial | 2026 |
| M & a Vehicles Ltd | Wholesale & retail | 2025 |
| M & D Motors (North West) Limited | Wholesale & retail | 2019 |
| M & D Services (2005) Limited | Construction | 2005 |
| M & L Williams Design Services Ltd | Professional & scientific | 2025 |
| M & L Windows Ltd | Construction | 2012 |
| M & M Cozy Nests Ltd | Wholesale & retail | 2025 |
| M & S Yates Holdings Limited | Financial services | 2025 |
| M a Gibson Professional Training Limited | Education | 2016 |
| M a Pizza and Kebab House Limited | Hospitality | 2024 |
| M a Wilson Builders Limited | Construction | 2013 |
| M and D Sales Limited | Extraterritorial | 1996 |
| M Bott Limited | Administrative & support | 2003 |
| M C Couriers (Lancs) Limited | Transport & logistics | 2025 |
| M C Dental Equipment Ltd | Other services | 2014 |
| M C Food and Drink Limited | Hospitality | 2025 |
| M C Repairs Ltd | Other services | 2009 |
| M Corwood Limited | Wholesale & retail | 2015 |
| M D Computing Ltd | Information & communication | 2007 |
| M E Communications Ltd | Other services | 2019 |
| M E O L Medicals Limited | Administrative & support | 2016 |
| M Edmondson Joinery Ltd | Construction | 2011 |
| M Forshaw Ltd | Construction | 2009 |
| M Franks Properties Limited | Real estate | 2017 |
| M J Coates Roofing Limited | Construction | 2006 |
| M J Electrical and Technical Ltd | Construction | 2016 |
| M Jolly Electrical Ltd | Construction | 2026 |
| M K Show Boat Ltd | Hospitality | 2017 |
| M M Brands Ltd | Wholesale & retail | 2016 |
| M Mcleod Engineering Limited | Professional & scientific | 2016 |
| M Oakey Limited | Construction | 2016 |
| M Rackstraws Ltd | Manufacturing | 2016 |
| M Turnbull Plumbing & Heating Ltd | Construction | 2020 |
| M Williams Accountancy Services Limited | Professional & scientific | 2019 |
| M&A Lerigo (Electrical) Limited | Construction | 2014 |
| M&K Subsea Services Limited | Construction | 2023 |
| M&R Building Joinery & Maintenance Ltd | Construction | 2023 |
| M&R Kitchen and Bathrooms Ltd | Construction | 2025 |
| M&R Painters Ltd | Construction | 2025 |
| M&R Renovations NW Ltd | Construction | 2025 |
| M.A. Building and Plastering Services Ltd | Construction | 2018 |
| M.A. Forshaw Limited | Wholesale & retail | 1981 |
| M.B (NW) Properties Ltd | Real estate | 2018 |
| M.G.S. (Blackpool) Limited | | 1984 |
| M.H. Sports Ltd | Wholesale & retail | 2011 |
| M.J. Jordane Ltd | Wholesale & retail | 2025 |
| M.Keyproperty Ltd | Real estate | 2022 |
| M.Selby Consultants Limited | Professional & scientific | 2024 |
| M.Williamson Commercials Ltd | Wholesale & retail | 2021 |
| M150 Property Investment Limited | Real estate | 2022 |
| M55 Car Wash Limited | Administrative & support | 2025 |
| M55 Property Limited | Real estate | 2026 |
| M6 Mortgage Advice Ltd | Financial services | 2021 |
| M60 Vending Ltd | Hospitality | 2010 |
| M9 Sports Ventures Limited | Other services | 2020 |
| MA & Co. Ltd | Hospitality | 2017 |
| MA Bargains Blackpool Ltd | Wholesale & retail | 2025 |
| MA Janaki Ltd | Hospitality | 2025 |
| MA Kelly's Estates Limited | Real estate | 2014 |
| MA Laxmi Ltd | Hospitality | 2025 |
| MAB Fylde Consultancy Ltd | Professional & scientific | 2023 |
| Mabel Court Management Company Limited | Households | 1981 |
| MAC Housing Northwest Ltd | Real estate | 2025 |
| MAC Miracles International Ltd | Other services | 2021 |
| MAC of ALL Trades Ltd | Construction | 2025 |
| Macalex Integrated Services Ltd | Real estate | 2024 |
| Maccafferty Wholesale Limited | Wholesale & retail | 2025 |
| Macfarlane Environmental Ltd | Wholesale & retail | 2025 |
| Mach Properties Ltd | Real estate | 2019 |
| Machow Property Developments Ltd | Construction | 2025 |
| Machtech Media Ltd | Education | 2015 |
| Mack Flat Roof Systems Ltd | Construction | 2016 |