| Multiple Export International Limited | Wholesale & retail | 2022 |
| Mummy's Star | Health & social care | 2013 |
| Mupremo Ltd | Health & social care | 2023 |
| Murghanos Limited | Hospitality | 2026 |
| Murphy Homes MCR Ltd | Real estate | 2025 |
| Murphy Plumbing & Heating MCR Ltd | Construction | 2025 |
| Murphy's Nursing Consultancy Limited | Professional & scientific | 2025 |
| Murshid 2 Ltd | Hospitality | 2024 |
| Musa Hassan Ltd | Wholesale & retail | 2025 |
| Music First Ltd | Arts & recreation | 2004 |
| Muspv Ltd | Real estate | 2020 |
| Must BE Group Ltd | Wholesale & retail | 2021 |
| MUZ Capital Ltd | Wholesale & retail | 2026 |
| MVS Transport Ltd | Transport & logistics | 2025 |
| My CHI and ME Ltd | Wholesale & retail | 2020 |
| My Gourmet Ltd | Hospitality | 2025 |
| My Little Food Critic Ltd | Information & communication | 2013 |
| Myforever Ltd | Information & communication | 2025 |
| MYM Investments Ltd | Real estate | 2021 |
| Myrealempire Holdings Ltd | Real estate | 2025 |
| Myrealempire Limited | Real estate | 2023 |
| Myriad Aesthetics Ltd | Health & social care | 2021 |
| Myriad Property Holdings Limited | Real estate | 2022 |
| Myson Properties Limited | Real estate | 2025 |
| Mytano Ltd | Health & social care | 2014 |
| MZA MCR Limited | Wholesale & retail | 2024 |
| Mzj-Trans Ltd | Transport & logistics | 2019 |
| MZS Trading Limited | Wholesale & retail | 2022 |
| N E C Engineering Limited | Manufacturing | 2010 |
| N&Fk Limited | Wholesale & retail | 2021 |
| N&J Maintenance Services Ltd | Construction | 2026 |
| N&S Crafts Ltd | Manufacturing | 2024 |
| N&Z Car Solution Ltd | Transport & logistics | 2023 |
| N.Atrading Limited | Wholesale & retail | 2025 |
| NA Noir Ltd | Wholesale & retail | 2026 |
| Naarus Ltd | Wholesale & retail | 2023 |
| Nadiamond Ltd | Transport & logistics | 2025 |
| Nail Box & Beauty AUL Ltd | Other services | 2025 |
| Nandu’S Delicacies Ltd | Hospitality | 2025 |
| NAP PUB Co Ltd | Hospitality | 2025 |
| Narm Properties Limited | Real estate | 2009 |
| Narm Property Holdings Limited | Financial services | 2015 |
| Nasir and Sons Properties Ltd | Real estate | 2025 |
| Nationwide Construction Solutions Ltd | Construction | 2013 |
| Neal Floors Ltd | Construction | 2025 |
| Necessarily Superfluous Limited | Wholesale & retail | 2001 |
| Neil Keigher Plumbing & Heating Limited | Construction | 2022 |
| Neko Craft Limited | Information & communication | 2025 |
| Neolithic Ltd | Financial services | 2023 |
| Nessarose Ltd | Wholesale & retail | 2025 |
| Nestside Property Ltd | Real estate | 2024 |
| NET Zero Analytics Limited | Professional & scientific | 2023 |
| Netpac Technologies Ltd | Wholesale & retail | 2025 |
| Network Cafe Ltd | Hospitality | 2025 |
| New Bargainhouse Ltd | Wholesale & retail | 2019 |
| New Life Church, Tameside | Other services | 2012 |
| New Ocean Palace Ltd | Hospitality | 2026 |
| New Orlean Ltd | Construction | 2021 |
| New SHU Limited | Wholesale & retail | 2019 |
| New Style Barbers Ashton Ltd | Other services | 2023 |
| New World Metals Ltd | Financial services | 2024 |
| Newgen Elite Travels Ltd | Transport & logistics | 2026 |
| Newnes Project Management Limited | Professional & scientific | 2015 |
| Nexa Healthcare Ltd | Administrative & support | 2024 |
| Nexalens Ltd | Professional & scientific | 2026 |
| Nexark Ltd | Wholesale & retail | 2025 |
| Nexforge Labour Ltd | Administrative & support | 2026 |
| Nexio Ltd | Wholesale & retail | 2025 |
| Next Generation Day Nursery Ltd | Education | 2026 |
| Next Move Global Ltd | Real estate | 2025 |
| Nextgen Solutions London Ltd | Professional & scientific | 2026 |
| Nexus Merchandising Ltd | Wholesale & retail | 2024 |
| Nexuz Group Ltd | Wholesale & retail | 2026 |
| Ngwecom Ltd | Wholesale & retail | 2026 |
| Niadorn Ltd | Hospitality | 2011 |
| Niall Hodson Photography Ltd | Professional & scientific | 2026 |
| Niche Mart Ltd | Wholesale & retail | 2024 |
| Nidink Limited | Arts & recreation | 2023 |
| Night Bell Events Ltd | Hospitality | 2024 |
| Night Yard Ltd | Information & communication | 2026 |
| Nineteen Eighty SIX Limited | Financial services | 2025 |
| Nisa Property Developers Limited | Real estate | 2023 |
| Nisha Optical Limited | Real estate | 2015 |
| NK Legal Services Ltd | Professional & scientific | 2026 |
| Nmftg Ltd | Manufacturing | 2020 |
| NO 10 Spice Ltd | Wholesale & retail | 2025 |
| Noca Technical Solutions Limited | Information & communication | 2021 |
| Nokra Limited | Hospitality | 2022 |
| Noor UL Islam United Faith and Peace Mission Limited | Health & social care | 2026 |
| Noor-Ul-Islam Spiritual Limited | Health & social care | 2025 |
| Norbury Estates Ltd | Other services | 2018 |
| Norm’S Cafe Ltd | Hospitality | 2024 |
| North Oak View Properties Ltd | Real estate | 2024 |
| North Point Building Services Limited | Construction | 2022 |
| North Point Property Management Limited | Real estate | 2019 |
| North West Asset Management Ltd | Real estate | 2021 |
| North Western Consulting Services Limited | Professional & scientific | 2022 |
| Northern Land Agency Ltd | Professional & scientific | 2020 |
| Northern Land Investments Doncaster Limited | Real estate | 2023 |
| Northern Land Investments Ltd | Real estate | 2023 |