| Kiddie of Southport Limited | Manufacturing | 1947 |
| Kizko Limited | Information & communication | 2003 |
| Knightsbridge Consultancy Limited | Professional & scientific | 2005 |
| L B Jointing Limited | Construction | 2014 |
| L.C.R. Systems Limited | Wholesale & retail | 2006 |
| Lara`S Limited | Wholesale & retail | 2007 |
| LB Data Limited | Information & communication | 2010 |
| LB Telecom Limited | Information & communication | 2010 |
| Learn Logistics Limited | Administrative & support | 2004 |
| Leeray Soft Furnishings Limited | | 1965 |
| Leigh Masonic Hall Limited | Other services | 1963 |
| Lemberger & Associates Limited | Information & communication | 2013 |
| Levelmind Limited | Professional & scientific | 1988 |
| Liberty Bluff Limited | Wholesale & retail | 2007 |
| Links Lodge Limited | Households | 1979 |
| LJS Consultancy Services Ltd | Real estate | 2005 |
| Longacre Services Limited | | 1991 |
| LP Electrical Contracting Limited | Construction | 2007 |
| Lsms Products | Wholesale & retail | 1962 |
| Lune Valley Car Sales Limited | Wholesale & retail | 2004 |
| Lupatom Limited | Other services | 2007 |
| Lymm Asset Management Ltd | Financial services | 2012 |
| M a Burrow Limited | Construction | 2003 |
| M P Balfe Limited | Professional & scientific | 2007 |
| M. & E. Greenwood Limited | Other services | 1985 |
| M. W. Fogg Dental Laboratory Limited | Health & social care | 2003 |
| Made in Bury Limited | Other services | 2014 |
| Manniman Productions Ltd | Manufacturing | 2011 |
| Mark Howard Publications Limited | Information & communication | 2003 |
| Marsh Bros Limited | Wholesale & retail | 2003 |
| Marshall Pump Systems Limited | Manufacturing | 1965 |
| Martin Waller Limited | | 1953 |
| Masonic Hall (Fleetwood) Limited | Real estate | 1956 |
| Matthews Homes Limited | Real estate | 2002 |
| Mawtec Holdings Limited | Real estate | 2002 |
| Mazhar Trading Limited | | 1971 |
| MB Neuro Therapy Ltd | Health & social care | 2018 |
| MBC Motors (UK) Ltd | Administrative & support | 2003 |
| Mccrory Fabrications Ltd | Manufacturing | 2010 |
| Mcneillie Accountancy Services Ltd | Professional & scientific | 2005 |
| MEE & Cocker (Leigh) Limited | | 1949 |
| Mercury Vehicle Deliveries Limited | Other services | 2007 |
| Metalcraft (Accrington) Limited | Real estate | 1981 |
| Metrotech Electrical Services Limited | Construction | 2007 |
| Mghart Ltd | Public administration | 2017 |
| MGT Tackle Ltd | Wholesale & retail | 2006 |
| Mick Hughes & Sons Roofing Services Ltd | Construction | 2004 |
| Middlesea Storm Phoenix Ltd | Health & social care | 2004 |
| Midwest Machinery Ltd | Wholesale & retail | 2012 |
| Mike Farmer Associates Limited | Professional & scientific | 2003 |
| Mischiefkids Limited | Wholesale & retail | 2007 |
| Mistry Consulting Limited | Professional & scientific | 2014 |
| Mitsubishi Chemical Advanced Materials UK Limited | Manufacturing | 2000 |
| MM Decorators Limited | Construction | 2007 |
| Mowerpower Limited | Manufacturing | 2007 |
| N W Photography Limited | Other services | 2014 |
| N.I.S. Holdings Limited | Professional & scientific | 1982 |
| Nationwide Taxshops Limited | Professional & scientific | 2002 |
| Network Veka Limited | Administrative & support | 2000 |
| NJC Aerial & Security Systems Limited | Construction | 2006 |
| Norlec Property Services Ltd | Real estate | 2005 |
| Northern Pride Limited | | 1985 |
| Nyquest Limited | Information & communication | 2007 |
| O.M.C. Motor Group Limited | Professional & scientific | 1907 |
| Old Clough Properties Limited | Extraterritorial | 2014 |
| Onbard Limited | Information & communication | 2012 |
| Ormskirk Division Agricultural Club,Limited(The) | Hospitality | 1919 |
| Oscars (Nelson) Limited | Wholesale & retail | 2003 |
| P & D Flooring Limited | Construction | 2003 |
| P a Duxbury Limited | Construction | 2003 |
| Park Mill Extrusions Limited | Manufacturing | 1994 |
| Parkinson Signs Limited | Manufacturing | 2005 |
| Parry's Investments Limited | Real estate | 1988 |
| Parry's Motor Parts Limited | Wholesale & retail | 1965 |
| Paul Price Car Sales Limited | Wholesale & retail | 1987 |
| Pendle Leisure Company (Billiards) Limited | Manufacturing | 2003 |
| Pennine Engineering & Computing Services Limited | Information & communication | 2002 |
| Penthouse Carpets Limited | Manufacturing | 1972 |
| Performance Electrical Limited | Construction | 1978 |
| Perseverance Mills Limited | Manufacturing | 1946 |
| PGW Flour Sales Limited | Manufacturing | 2009 |
| PH Care Limited | Financial services | 2008 |
| Pilkington Oils Limited | Wholesale & retail | 2005 |
| PJV Properties Ltd | Real estate | 2021 |
| Plantmace Limited | Professional & scientific | 1988 |
| Plazzania Limited | Administrative & support | 1979 |
| Polythene Drums (Lancashire) Limited | | 1976 |
| Portico Day Nurseries Ltd | Education | 2006 |
| Poulton Arts Centre Limited | Wholesale & retail | 1975 |
| Premier Swim Limited | Administrative & support | 2021 |
| Preslecspares Limited | Wholesale & retail | 1976 |
| Preston Coal Effect GAS Fires Limited | | 1976 |
| Primesite Properties Limited | Real estate | 1984 |
| Pringle Group Limited | Extraterritorial | 2006 |
| Pristine Properties Ltd | Real estate | 2000 |
| Prius Connect Limited | Manufacturing | 2014 |
| Profile Consulting ( Ormskirk ) Limited | Administrative & support | 2006 |
| Property 1ST Management Ltd | Real estate | 2007 |
| Provident Engineering Limited | Professional & scientific | 2016 |
| PVF Limited | Manufacturing | 2004 |