| Mottram Foods Ltd | Hospitality | 2026 |
| Moving Breath Ltd | Health & social care | 2021 |
| MP League Limited | Professional & scientific | 2024 |
| MR Beards BBQ Ltd | Hospitality | 2022 |
| MR Pool MAN Limited | Professional & scientific | 2018 |
| MSW Estates Ltd | Real estate | 2024 |
| MT Studies Ltd | Wholesale & retail | 2021 |
| Multiwall Installations Ltd | Construction | 2020 |
| Mutzy's Dog Grooming Ltd | Other services | 2024 |
| My Address Ltd | Real estate | 2019 |
| My EMW Ltd | Hospitality | 2026 |
| My Kind of Interiors Ltd | Wholesale & retail | 2018 |
| My Wendy House Ltd | Wholesale & retail | 2024 |
| N a Convenience Store Limited | Wholesale & retail | 2025 |
| N2 Collective Limited | Information & communication | 2012 |
| NA Convenience Ltd | Wholesale & retail | 2025 |
| Nagari Limited | Real estate | 1988 |
| Natasha C Henley Ltd | Health & social care | 2024 |
| National Youth Concert Band CIC | Education | 2018 |
| Navagator Limited | Professional & scientific | 2012 |
| NCF Property Company Ltd | Real estate | 2020 |
| NDL Future Ltd | Financial services | 2021 |
| NDM Plastics Limited | Manufacturing | 2024 |
| Neatnet Ltd | Administrative & support | 2025 |
| Nemo Limited | Arts & recreation | 1987 |
| NEO Mortgages Ltd | Financial services | 2025 |
| Nest (NW) Ltd | Real estate | 2023 |
| New Cross Arts Limited | Administrative & support | 2014 |
| New Roots Productions Ltd | Administrative & support | 2019 |
| New Start Physiotherapy Ltd | Information & communication | 2026 |
| New Urban View Limited | Real estate | 2003 |
| Newblinds.Co.Uk Limited | Manufacturing | 2009 |
| Nexera People Services Ltd | Administrative & support | 2026 |
| Nexus Sales Consultancy Limited | Professional & scientific | 2024 |
| Nightingale Builds Ltd | Construction | 2022 |
| Nil's OFF Licence Ltd | Wholesale & retail | 2016 |
| NJL Embedded Software Ltd | Information & communication | 2023 |
| No&Low Drinks Limited | Wholesale & retail | 2026 |
| Nonnas Private Events Ltd | Hospitality | 2024 |
| Nonnas Stalybridge Ltd | Hospitality | 2023 |
| Nookoo Ltd | Financial services | 2025 |
| Norman Mackie & Associates Limited | Education | 1999 |
| North and South Basements Ltd | Construction | 2012 |
| North West (Aerotooling) Ltd. | Professional & scientific | 1989 |
| North West Timber Frame Limited | Construction | 2020 |
| Northern Security Installations Limited | Administrative & support | 2002 |
| Northern Security Maintenance Limited | Administrative & support | 2002 |
| Northern Truck and Van Ltd | Wholesale & retail | 2020 |
| Northwest Bakery Group Limited | Manufacturing | 2026 |
| Northwest Car & Commercials Ltd | Wholesale & retail | 2025 |
| Notification Compliance Services Ltd | Information & communication | 2015 |
| Npdco Ltd | Real estate | 2017 |
| NR Textiles Ltd | Wholesale & retail | 2020 |
| Ntan Ltd | Health & social care | 2013 |
| Nvmh Limited | Real estate | 2002 |
| O'Brien Civil Engineering & Groundwork Contractors Ltd | Construction | 2013 |
| O'Sullivan & O'Hara Holdings Ltd | Arts & recreation | 2023 |
| Oakwood Rentals Ltd | Real estate | 2022 |
| OCA Training Academy Limited | Education | 2022 |
| Off-Duty Aesthetics Ltd | Wholesale & retail | 2026 |
| Ohana FL Ltd | Hospitality | 2022 |
| OHC Commercials Limited | Wholesale & retail | 2022 |
| Oily Bikers Ltd | Wholesale & retail | 2015 |
| Ol's Bar Ltd | Hospitality | 2020 |
| Omimi Ltd | Hospitality | 2023 |
| ON the Level Consultancy Ltd | Professional & scientific | 2021 |
| Onyx Design Develop Build Ltd | Construction | 2024 |
| Onyx Tool Company Ltd | Manufacturing | 2023 |
| Optipro Performance Chemicals Limited | Manufacturing | 2025 |
| Original Aesthetics Ltd | Wholesale & retail | 2023 |
| Orrell Filtration Limited | Manufacturing | 2004 |
| Orthocare Locum Ltd | Health & social care | 2026 |
| Osgo Ltd | Health & social care | 2015 |
| Otherworld Entertainment Group Limited | Administrative & support | 2026 |
| Otter Plant Limited | Administrative & support | 2004 |
| P B Mcbride Ltd | Hospitality | 2025 |
| P Holden Photography Limited | Administrative & support | 2002 |
| P&K Cladding Solutions Limited | Construction | 2025 |
| P&S Furniture Ltd | Other services | 2021 |
| P. I Investment Properties Ltd | Real estate | 2024 |
| PAB Carpentry Limited | Manufacturing | 2022 |
| Padaka Limited | Wholesale & retail | 2018 |
| Paizy Ventures Ltd | Real estate | 2026 |
| Pampas Tallo Ltd | Wholesale & retail | 2023 |
| Panquake Ltd | Hospitality | 2025 |
| Pantheon Business Group Ltd | Administrative & support | 2012 |
| Paragon (NW) Limited | Construction | 2007 |
| Parenting Ltd | Information & communication | 2024 |
| Park Engineering Limited | Professional & scientific | 1982 |
| Parkes Collective Limited | Financial services | 2026 |
| Parties Complete Ltd | Administrative & support | 2023 |
| Party Palace Enterprises Limited | Arts & recreation | 2019 |
| Patricia K Pritchard Limited | Wholesale & retail | 2017 |
| Patterdale Homes Ltd | Real estate | 2019 |
| Paul Davies Installation Limited | Other services | 2022 |
| Pawel Transport Ltd | Transport & logistics | 2024 |
| Pawfectpetsretail Ltd | Wholesale & retail | 2025 |
| Pawoscope Limited | Wholesale & retail | 2025 |
| Pawsey Site Services Limited | Construction | 2017 |
| PDI Vent Ltd | Construction | 1993 |