| Myrecruita Ltd | Administrative & support | 2025 |
| Myrelle Medical Ltd | Health & social care | 2026 |
| Myron Security Ltd | Administrative & support | 2021 |
| Mytu AMG Construction Ltd | Construction | 2025 |
| MZ44 Cleaners Ltd | Administrative & support | 2025 |
| Mzas Enterprises Ltd | Wholesale & retail | 2025 |
| Mzassociates Ltd | Transport & logistics | 2020 |
| Mzfrastix Limited | Construction | 2025 |
| Mzhl Ltd | Construction | 2026 |
| MZM Production Limited | Information & communication | 2009 |
| N & J Investment (UK) Ltd | Real estate | 2018 |
| N & N Travel Services Ltd | Wholesale & retail | 2020 |
| N Akhter Ltd | Professional & scientific | 2013 |
| N G K Wholesale Limited | Wholesale & retail | 2007 |
| N Murthuja Ltd | Wholesale & retail | 2022 |
| N&G Healthcare Company Limited | Health & social care | 2019 |
| N&G Walls Ltd | Construction | 2020 |
| N&T Corporation Ltd | Wholesale & retail | 2024 |
| N1 Building Construction Ltd | Construction | 2025 |
| NA Property and Letting Ltd | Real estate | 2023 |
| Naaman Khalid Ltd | Wholesale & retail | 2025 |
| Nabhaan Limited | Transport & logistics | 2018 |
| Nach Investment Ltd | Real estate | 2026 |
| Nacham Properties Ltd | Real estate | 2026 |
| Nacoma Healthcare Ltd | Health & social care | 2024 |
| Naeems Limited | Wholesale & retail | 2023 |
| Nafan Decorators Limited | Construction | 2021 |
| NAG Kolla Ltd | Construction | 2025 |
| Nah's Empire Limited | Manufacturing | 2024 |
| Naid Equip Ltd | Wholesale & retail | 2025 |
| Nail Station & Bar Ltd | Other services | 2025 |
| Nails Extension Ltd | Other services | 2020 |
| NAJ Management Limited | Real estate | 2013 |
| Najah Recruitment Ltd | Administrative & support | 2019 |
| Najam UL HAQ Limited | Wholesale & retail | 2025 |
| Najija Limited | Wholesale & retail | 2025 |
| Najoe Sounds Production Limited | Information & communication | 2017 |
| Najran Road Haulage Limited | Transport & logistics | 2025 |
| Naked Chips Ltd | Hospitality | 2020 |
| Nakeeban Limited | Public administration | 2022 |
| Nali Grill Kebab on Charcoal Ltd | Hospitality | 2025 |
| Nali Grill Ltd | Hospitality | 2023 |
| Namli Property Limited | Real estate | 2016 |
| Namz Asset & Investments Ltd | Other services | 2022 |
| NAN Hotpot UK Ltd | Hospitality | 2023 |
| Nancha Healthcare Services Ltd | Other services | 2022 |
| Nancys Curtains Limited | Wholesale & retail | 2023 |
| Nann & Kebab Ltd | Wholesale & retail | 2026 |
| NAP One Ltd | Wholesale & retail | 2025 |
| Naqpharma Ltd | Professional & scientific | 2024 |
| Naqvi Builders Limited | Construction | 2022 |
| Narnia Leisure Limited | Real estate | 2009 |
| Naseer&Sons Builders Ltd | Manufacturing | 2025 |
| Nash Consultancy Services Limited | Information & communication | 2020 |
| Nash House Training Centre Ltd | Education | 2020 |
| Nashi.Golden Limited | Construction | 2026 |
| Nathnael Limited | Health & social care | 2015 |
| Nation Image Media Ltd | Professional & scientific | 2025 |
| Nation Traders Limited | Other services | 2015 |
| National Association of Nigerian Students' Diaspora UK Chapter Ltd | Education | 2025 |
| National Courier and Logistics Ltd | Transport & logistics | 2022 |
| National Curriculum and Assessment Board Limited | Education | 2024 |
| National Facility and Security Solution Ltd | Administrative & support | 2024 |
| National Glazing Solutions Ltd | Construction | 2021 |
| National Integrated Services Limited | Administrative & support | 2002 |
| National Wheelchair Transport Services Ltd | Transport & logistics | 2022 |
| Nationwide Auto Repair Centre Ltd | Wholesale & retail | 2021 |
| Nationwide Residential & Commercial Limited | Real estate | 2009 |
| Natsin Ltd | Construction | 2016 |
| Natural Remedies Clinic Limited | Health & social care | 2018 |
| Naturally Paul Ltd | Professional & scientific | 2024 |
| NAV Security Limited | Wholesale & retail | 2019 |
| Naveed Sound and Solutions Ltd | Administrative & support | 2024 |
| Navigate UK Community Ltd | Administrative & support | 2026 |
| Nawabi Fashion Limited | Wholesale & retail | 2025 |
| Nawary Ltd | Wholesale & retail | 2023 |
| Naxys Autos Limited | Wholesale & retail | 2022 |
| NAZ UK Properties Ltd | Real estate | 2024 |
| Nazrul & Sons Ltd | Manufacturing | 2024 |
| Nazzy Car Repairs Ltd | Wholesale & retail | 2023 |
| Nazzy Dealership Ltd | Wholesale & retail | 2021 |
| NBK Property Rental Ltd | Real estate | 2026 |
| NBL Traders Ltd | Wholesale & retail | 2024 |
| Ncgfds Medics Ltd | Health & social care | 2022 |
| ND CAP Ltd | Information & communication | 2022 |
| Ndaxi Ltd | Information & communication | 2021 |
| Ndaya Beauty Ltd | Manufacturing | 2026 |
| Ndlovuhealth Ltd | Health & social care | 2025 |
| Neacsu Cleaning Ltd | Construction | 2024 |
| Nebula IT Limited | Information & communication | 2018 |
| Nechita Services Ltd | Transport & logistics | 2026 |
| Nechitrans Ltd | Transport & logistics | 2026 |
| Nedyalkov Ltd | Other services | 2019 |
| NEED7 Ltd | Wholesale & retail | 2025 |
| Needle Clothing Ukbd Ltd | Wholesale & retail | 2024 |
| Needle Labs Ltd | Professional & scientific | 2007 |
| Needora Ltd | Wholesale & retail | 2025 |
| Neel Recruitment Services and Solutions Limited | Administrative & support | 2024 |
| Neela Apparel Ltd | Wholesale & retail | 2025 |
| Neelam’S Hair and Beauty Salon Ltd | Other services | 2021 |