| Mussa Enterprises Ltd | Wholesale & retail | 2025 |
| MUU420 Ltd | Transport & logistics | 2025 |
| MV Professional Ltd | Construction | 2025 |
| MVB Construction Ltd | Construction | 2021 |
| My Essentials Limited | Real estate | 2018 |
| My Neighbourhood Limited | Information & communication | 2024 |
| My Thai Fights Limited | Information & communication | 2022 |
| MYC Driving Ltd | Transport & logistics | 2020 |
| Myeazy Ltd | Wholesale & retail | 2023 |
| MZZ Traders Limited | Wholesale & retail | 2026 |
| N Mahey Group Ltd | Real estate | 2026 |
| N P R Tours & Travels Limited | Administrative & support | 2026 |
| N Rashid Ltd | Health & social care | 2014 |
| N-Lux Chauffeurs Ltd | Transport & logistics | 2025 |
| N.G. Solutions Ltd | Health & social care | 2008 |
| N.I Property Holdings Ltd | Real estate | 2022 |
| N.V. Confections Ltd | Manufacturing | 2024 |
| Naan Wala Ltd | Hospitality | 2019 |
| Naaz Kitchen Ltd | Hospitality | 2022 |
| Nabeesa Limited | Information & communication | 2021 |
| Nader Café Limited | Hospitality | 2023 |
| Nail Art TT Ltd | Other services | 2025 |
| NAJ Vape Shop Limited | Wholesale & retail | 2016 |
| Najog Limited | Information & communication | 2025 |
| Nakhre Ltd | Wholesale & retail | 2020 |
| Namechi Limited | Manufacturing | 2021 |
| Nananom Trading and Logistics Limited | Wholesale & retail | 2021 |
| Nandha Construction Ltd | Construction | 2016 |
| Naomi’S Tabelam Limited | Hospitality | 2025 |
| Narox Ltd | Administrative & support | 2024 |
| Nashf Sports Limited | Wholesale & retail | 2026 |
| Nashwan Productions Ltd | Information & communication | 2024 |
| Nashwan Projects Limited | Construction | 2017 |
| Nationwide Building Materials Ltd | Wholesale & retail | 2020 |
| Natixhost Ltd | Wholesale & retail | 2025 |
| Natven Comms Limited | Information & communication | 2013 |
| NAV GUN Transport Ltd | Transport & logistics | 2025 |
| Nawab Roofing Ltd | Construction | 2026 |
| NAZ Transfer Ltd | Transport & logistics | 2026 |
| NAZARCO65 Limited | Other services | 2025 |
| Nazgul Limited | Information & communication | 2013 |
| Ncbdr Ltd | Wholesale & retail | 2022 |
| Neale's of London Ltd | Transport & logistics | 2017 |
| Neatbee Ltd | Administrative & support | 2025 |
| Neatnest Cleaning Services Ltd | Administrative & support | 2024 |
| Nebouxii Ltd | Administrative & support | 2010 |
| Neeth Brothers Ltd | Real estate | 2023 |
| Nehal Mani Ltd | Transport & logistics | 2020 |
| Neighbourhood Meet Greet & Treat CIC | Health & social care | 2023 |
| NEO Trading Ltd | Wholesale & retail | 2018 |
| Neohair Ltd | Professional & scientific | 2018 |
| Nerds Digital Studio Ltd | Professional & scientific | 2026 |
| Nessys & Normans Ltd | Hospitality | 2025 |
| Netglobal Limited | Administrative & support | 2021 |
| Neutral Cargo Consolidators (UK) Limited | Transport & logistics | 2024 |
| Neutral Global Terminal Ltd | Transport & logistics | 2021 |
| New Life Destiny Baptist Church Limited | Education | 2012 |
| New Meridian Group Ltd | Administrative & support | 2025 |
| New Pro Foundry Ltd | Administrative & support | 2018 |
| New Wing Luck 109 Ltd | Hospitality | 2023 |
| Newcomb Consultancy Limited | Administrative & support | 2010 |
| Newcross Recovery Services Limited | Transport & logistics | 2018 |
| Newline Property Contractors Limited | Construction | 2020 |
| Newmilns Limited | Households | 2019 |
| Nexgen Global Logistics Ltd | Transport & logistics | 2024 |
| Nexis Cart Ltd | Wholesale & retail | 2026 |
| Next Drive Ltd | Wholesale & retail | 2025 |
| Nextfast Express Limited | Transport & logistics | 2014 |
| Nextgen Heating & Ventilation Ltd | Construction | 2026 |
| Nextstep Study Visa Ltd | Education | 2025 |
| Nexus Lumina Ltd | Wholesale & retail | 2024 |
| Nexvest Services Ltd | Administrative & support | 2026 |
| NG Terminal Ltd | Transport & logistics | 2017 |
| NGX Solutions Limited | Information & communication | 2023 |
| Nhkm Limited | Construction | 2022 |
| Nica Spedition Ltd | Transport & logistics | 2014 |
| Nice & Clean Car Wash Ltd | Administrative & support | 2021 |
| Nicora Ltd | Real estate | 2024 |
| Nidhi Shah Ltd. | Professional & scientific | 2012 |
| Nidka Fresh Produce Ltd | Wholesale & retail | 2022 |
| Nightstops Limited | Hospitality | 2011 |
| Nijary Ltd | Information & communication | 2022 |
| Nikcare Ltd | Health & social care | 2014 |
| Nikolas Homes Limited | Real estate | 2021 |
| Ninu Productions Ltd | Professional & scientific | 2014 |
| Nipa Auto Ltd | Wholesale & retail | 2025 |
| Nishtha JK Consulting Ltd | Professional & scientific | 2025 |
| Nissin (U.K.) Limited | Transport & logistics | 1983 |
| Nivera Technologies Ltd | Information & communication | 2026 |
| NJ & RK Ltd | Transport & logistics | 2025 |
| NLC U.K. Limited | Transport & logistics | 2024 |
| Nmrk Limited | Information & communication | 2023 |
| NO1 Safe House Electricals Ltd | Financial services | 2025 |
| Nobility Chauffeurs Limited | Transport & logistics | 2025 |
| Noden Guitars Limited | Professional & scientific | 2006 |
| Nolimit Airport Cars Ltd | Transport & logistics | 2018 |
| Nomad Engineering Ltd | Professional & scientific | 2025 |
| Nomdora Limited | Other services | 2015 |
| Noor ICT Consultancy Ltd | Information & communication | 2022 |
| Nordenbridge Ltd | Construction | 2020 |