| Litho House Management Company Limited | Households | 2020 |
| Littleborough Boxing Club | Arts & recreation | 2012 |
| Littleborough Business Centre Ltd | Administrative & support | 2013 |
| Littleborough Coach House (Property) Limited | Real estate | 2011 |
| Littleborough Coach House Trust Limited | Real estate | 1980 |
| Littleborough EAR Care Limited | Health & social care | 2024 |
| Littleborough GAS Services Ltd | Construction | 2026 |
| Littleborough Historical & Archaeological Society Limited | Arts & recreation | 2004 |
| Littleborough Investment Partnership Ltd | Financial services | 2019 |
| Littleborough Postal Services Limited | Wholesale & retail | 2026 |
| Littleborough Village Bakery Limited | Hospitality | 2024 |
| LL Education Ltd | Education | 2019 |
| Lonsdale Projects Ltd | Administrative & support | 2010 |
| Loren Mclaughlan Limited | Information & communication | 2012 |
| LTS Projects Limited | Professional & scientific | 2009 |
| Luminary Art & Well-Being Ltd | Arts & recreation | 2023 |
| Lydgate House Management Company Limited | Households | 1996 |
| M and M Weighing Ltd | Professional & scientific | 2018 |
| M.S.B. Cladding Limited | Administrative & support | 2002 |
| MAC Realty Limited | Manufacturing | 2024 |
| Make IT Personal MIP Ltd | Wholesale & retail | 2023 |
| Making Success Measurable Limited | Professional & scientific | 2023 |
| Mandale Associates Limited | Professional & scientific | 1994 |
| Mark Saxon Machinery Ltd | Administrative & support | 2009 |
| Marsh Property Developments Ltd | Real estate | 2021 |
| Mast Whitby Ltd | Hospitality | 2023 |
| Mauser UK Limited | Manufacturing | 2006 |
| MCR Roofing Ltd | Construction | 2025 |
| MG Commercial Estates Limited | Financial services | 2026 |
| Mighty Products UK Ltd | Wholesale & retail | 2024 |
| Mikrospin Limited | Manufacturing | 1986 |
| Milne Solutions Ltd | Professional & scientific | 2024 |
| MIMIKWETANE44STORE Ltd | Wholesale & retail | 2023 |
| MLN Developments Limited | Real estate | 2018 |
| MM Northwest Limited | Real estate | 2021 |
| Monsoi Ltd | Wholesale & retail | 2019 |
| Moore Security Solutions Limited | Construction | 2014 |
| Moorside Property Limited | Real estate | 2020 |
| Mountsandel Holdings Ltd | Financial services | 2019 |
| MR Blue Minimarket Limited | Wholesale & retail | 2026 |
| N J Grindrod & Co Limited | Professional & scientific | 2012 |
| Nautilus Nine Limited | Financial services | 2025 |
| Navos Consulting Limited | Professional & scientific | 2022 |
| Never Gonna LET MEW Down Ltd | Wholesale & retail | 2026 |
| New House Property Holdings Ltd | Real estate | 2026 |
| Newfound Planet Films Ltd | Information & communication | 2016 |
| Newlettings Limited | Real estate | 2025 |
| NJG Consultants Ltd | Other services | 2019 |
| Nline Investments Ltd | Financial services | 2019 |
| Nordan PDS Manufacturing Limited | Manufacturing | 2022 |
| Nordshire Solutions Limited | Information & communication | 2001 |
| North Mark Adventures Ltd | Arts & recreation | 2026 |
| North Stars Theatre Company CIC | Education | 2023 |
| North West Chinese UK Community Interest Company | Health & social care | 2025 |
| North West Futures Ltd | Health & social care | 2025 |
| North West Transport & Recovery Ltd | Transport & logistics | 2019 |
| Northern Refrigeration Company Limited | Manufacturing | 2016 |
| Northrop Canton Limited | Construction | 2014 |
| NW Inspection Ltd | Energy | 2020 |
| NW Landscaping Ltd | Administrative & support | 2019 |
| NW Law Limited | Extraterritorial | 2008 |
| Oddplots Limited | Real estate | 1998 |
| OKM Consultancy Ltd | Professional & scientific | 2026 |
| Omar Sharif Limited | Hospitality | 2024 |
| ON the DOT Couriers Ltd | Transport & logistics | 2017 |
| ON the Hoof Saddlery Ltd | Wholesale & retail | 2024 |
| ON the Hoof Second Hand Tack Shop Limited | Wholesale & retail | 2022 |
| One Stop Auto Repair & Sales Ltd | Wholesale & retail | 2023 |
| Ossify Ltd | Financial services | 2024 |
| OUR Indian Limited | Hospitality | 2025 |
| P&Co Investments Limited | Financial services | 2025 |
| P.N.M. Communications Ltd | Construction | 2005 |
| PA Capital Ltd | Financial services | 2025 |
| Park & Sons International Transport Ltd | Transport & logistics | 2026 |
| Park Works Management Ltd | Professional & scientific | 2025 |
| Parkinson IT Consultancy Ltd | Administrative & support | 2007 |
| Parlour Tattoo Limited | Information & communication | 2023 |
| Pastures New Racehorse Rehabilitation Limited | Agriculture & fishing | 2011 |
| Pattison Commercial Limited | Professional & scientific | 2016 |
| Paul Flint Corporate Ltd | Professional & scientific | 2020 |
| Pawvara Ltd | Wholesale & retail | 2024 |
| Pennine Accounting Limited | Professional & scientific | 2011 |
| Pennine Consultancy Limited | Professional & scientific | 2019 |
| Pennine Hospitality Solutions Limited | Hospitality | 2024 |
| Pennine Investment Property Limited | Extraterritorial | 2009 |
| Pennine Property Investments B LLP | | 2006 |
| Pennine Trading Limited | Extraterritorial | 2011 |
| Pennine View Automotive Limited | Wholesale & retail | 2025 |
| Pennine View Glamping Ltd | Hospitality | 2023 |
| Performance Doorset Solutions Limited | Manufacturing | 2003 |
| Pigsty Investment Group Ltd | Real estate | 2020 |
| Pike House Farm Ltd | Agriculture & fishing | 2012 |
| Pizzaandfood Limited | Hospitality | 2025 |
| Plan and Protect Solutions Ltd | Financial services | 2014 |
| Platform 22 Ventures Limited | Financial services | 2023 |
| Pnm-Property-Management-Services Ltd | Real estate | 2019 |
| Polycom Limited | Extraterritorial | 1973 |
| Pomona Audio Ltd | Information & communication | 2024 |
| Pomona P. R. Limited | Professional & scientific | 2018 |
| Powercom-Uk Limited | Manufacturing | 2006 |