| Mid-Cheshire Pallets Limited | Manufacturing | 1995 |
| Mid-Cheshire Panels Limited | Manufacturing | 2013 |
| Mike Allison Roofing Ltd | Construction | 2025 |
| Millionairefacesuk Ltd | Wholesale & retail | 2025 |
| Mimie's Sweet Treats Ltd | Manufacturing | 2022 |
| Mindfulness Miracle Ltd | Health & social care | 2025 |
| Minimini Kids Limited | Wholesale & retail | 2024 |
| Miracle Mind Talking Therapy Limited | Other services | 2025 |
| Miracles Happen Limited | Professional & scientific | 2006 |
| Mitras Automotive (UK) Limited | Manufacturing | 1993 |
| ML Inspection Services Limited | Construction | 2018 |
| Mmithal Ltd | Real estate | 2025 |
| Mobile Reborn Ltd | Wholesale & retail | 2017 |
| Molly the Estate Agent Limited | Real estate | 2025 |
| Moneypenny Property Management Limited | Real estate | 2017 |
| Montagne Activewear UK Ltd | Wholesale & retail | 2025 |
| Moonlight Products UK Ltd | Wholesale & retail | 2025 |
| Moorlands Takeaway Ltd | Hospitality | 2024 |
| Morgan Yarwood Limited | Professional & scientific | 2025 |
| Morton Solutions Ltd | Administrative & support | 2025 |
| MR BB Cheshire Ltd | Hospitality | 2017 |
| MSG Sales Ltd | Wholesale & retail | 2020 |
| MTH Joinery & Building Ltd | Construction | 2025 |
| Multistreamsuk Ltd | Financial services | 2021 |
| Mundo Footballing School Ltd | Education | 2023 |
| Murphy's Engineering Ltd | Manufacturing | 2012 |
| Murphz Corner Projects Ltd | Professional & scientific | 2025 |
| MW Osborne Limited | Construction | 2020 |
| My Mental Wellness UK CIC | Health & social care | 2024 |
| N Mcleod Transport Ltd | Transport & logistics | 2014 |
| N.M.C. Trading Limited | Professional & scientific | 1991 |
| N.W.P Roofing & Building Ltd | Construction | 2025 |
| Nantwich Saddlery Limited | Wholesale & retail | 2005 |
| Neutron Commercials Ltd | Wholesale & retail | 2022 |
| New Box Media Ltd | Information & communication | 2024 |
| New ERA Electrical Contractors Ltd | Construction | 2015 |
| New Golden Chef Winsford Limited | Hospitality | 2022 |
| Newbury Data Electronics Limited | Manufacturing | 2000 |
| Newbury Data Limited | Professional & scientific | 1998 |
| Newbury Data Printers Limited | Other services | 2001 |
| Newbury Data Recording Limited | Manufacturing | 1982 |
| Newbury Data Supplies Limited | Professional & scientific | 1998 |
| Newbury Trustees Limited | Financial services | 2021 |
| NEX Artist Limited | Information & communication | 2020 |
| Next ERA Lettings Ltd | Real estate | 2025 |
| Nexus Point (Group) Ltd | Extraterritorial | 2013 |
| Nexus Point Apex Ltd | Extraterritorial | 2013 |
| Nexus Point Ltd | Information & communication | 2011 |
| Nexus Point Solutions Limited | Extraterritorial | 2013 |
| NF Cheshire Limited | Agriculture & fishing | 2013 |
| Nicholls PMO Consulting Limited | Professional & scientific | 2017 |
| Nienaber Consulting Services Limited | Administrative & support | 2010 |
| Nikoloov Recruitment Ltd | Administrative & support | 2026 |
| NJB Group Holdings Limited | Financial services | 2025 |
| NJB Legal Limited | Professional & scientific | 2025 |
| Nodens Limited | Manufacturing | 2005 |
| Nomeh UK Ltd | Professional & scientific | 2025 |
| North Storm Roofing Ltd | Construction | 2026 |
| Northern APE Ltd | Wholesale & retail | 2022 |
| Northwest Bathrooms and Boilers Limited | Construction | 2023 |
| Northwest Reach and Wash Limited | Administrative & support | 2025 |
| Nova Sports Coaching Ltd | Education | 2026 |
| NTR Field Services Ltd | Professional & scientific | 2014 |
| Nu-Line Technology Solutions Limited | Manufacturing | 2016 |
| NVA Homes Limited | Real estate | 2026 |
| Oakmere Plant Hire Ltd | Administrative & support | 2026 |
| Oaktree Communications Ltd | Professional & scientific | 2003 |
| Oaktree Environmental Limited | Professional & scientific | 2003 |
| Oakview Holdings Ltd | Real estate | 2024 |
| Oakwood Energy Brokerage Ltd | Professional & scientific | 2017 |
| Oakwood Energy Limited | Construction | 2015 |
| Oakwood Joinery (UK) Ltd | Construction | 2014 |
| Octagon Square Ltd | Professional & scientific | 2024 |
| Octave Seating Limited | Wholesale & retail | 2015 |
| ODD Socks Sauces Ltd | Manufacturing | 2024 |
| Ohms Electrical Services (Cheshire) Limited | Construction | 2024 |
| Ojbleachwholesale Ltd | Wholesale & retail | 2024 |
| OM & AH Ltd | Wholesale & retail | 2022 |
| One TEK Business Solutions Ltd | Information & communication | 2008 |
| Onionring Limited | Professional & scientific | 2005 |
| Optionchain Ltd | Information & communication | 2023 |
| Ospreys Barbershop Ltd | Other services | 2021 |
| Outcastkustoms Ltd | Wholesale & retail | 2025 |
| Over Estates (Winsford) Limited | Real estate | 1965 |
| OWK Properties Ltd | Real estate | 2026 |
| P C Steel Fabrications Limited | Manufacturing | 2004 |
| P Group Ltd | Households | 2020 |
| P J Morse Limited | Real estate | 2021 |
| PAINT2PAPER Home Improvements Ltd | Construction | 2019 |
| Parkinson Plasterers Limited | Construction | 2003 |
| Parklane Private Limited | Health & social care | 2023 |
| Partnership in Business Limited | Agriculture & fishing | 2003 |
| Paul's Roofing Services Ltd | Construction | 2025 |
| Paula Ltd | Other services | 2025 |
| Pauls Landscaping Ltd | Administrative & support | 2025 |
| Peacock HEY Limited | Arts & recreation | 2021 |
| Pelton Brockwell Ltd | Administrative & support | 2025 |
| Petcare Academy Ltd | Other services | 2021 |
| PGC Developments Ltd | Construction | 2022 |
| Phoenix Computers International Limited | | 1997 |