| Myrovia Ltd | Manufacturing | 2025 |
| Myrtle Group Ltd | Real estate | 2025 |
| Mystic Mobiles Ltd | Wholesale & retail | 2025 |
| Mythos Makers Ltd | Professional & scientific | 2023 |
| Mytitle Holdings Limited | Financial services | 2026 |
| MYU Group Limited | Other services | 2018 |
| MZA Management Ltd | Professional & scientific | 2024 |
| Mzee Techz Limited | Manufacturing | 2023 |
| MZH Investments Ltd | Real estate | 2019 |
| Mznevents Ltd | Hospitality | 2025 |
| MZP Estates Ltd | Real estate | 2024 |
| MZS Estates Ltd | Real estate | 2024 |
| N & G Redevelopments Ltd | Real estate | 2023 |
| N & G Ventures Limited | Real estate | 2018 |
| N E Beth Car Services Ltd | Transport & logistics | 2024 |
| N E Beth Services Limited | Financial services | 2012 |
| N Sally Limited | Financial services | 2024 |
| N&C Super Store Ltd | Wholesale & retail | 2023 |
| N-Able Services (London and South) Limited | Health & social care | 2021 |
| N-Able Services Ltd | Health & social care | 2002 |
| N.G.Investments(Durham)Limited | Real estate | 1961 |
| N.W.A (North West Accidents) Claims Ltd | Wholesale & retail | 2026 |
| N17 Properties Limited | Real estate | 2019 |
| N4 Crew Ltd | Arts & recreation | 2019 |
| NA Builders MCR Ltd | Construction | 2019 |
| Naaleh Ltd | Education | 2023 |
| NAB World Services Ltd | Transport & logistics | 2025 |
| Nabd Ltd | Hospitality | 2023 |
| Nabora Limited | Wholesale & retail | 2025 |
| Nadenia Limited | Health & social care | 1980 |
| Nadlan Group of Companies Ltd | Real estate | 2023 |
| Nadlan Salford Ltd | Real estate | 2025 |
| Nagdo Ltd | Wholesale & retail | 2026 |
| Nagh Ventures Limited | Financial services | 2015 |
| Nahk Limited | Professional & scientific | 2012 |
| Naija Link Ltd | Professional & scientific | 2025 |
| Naijapound Sahara Ltd | Wholesale & retail | 2023 |
| NAINS9 Limited | Wholesale & retail | 2025 |
| Najah by Noor Ltd | Wholesale & retail | 2025 |
| Namer Enterprise Limited | Real estate | 2017 |
| Namor Clothing Limited | Wholesale & retail | 2024 |
| Namtaz Enterprises Ltd | Wholesale & retail | 2018 |
| Nanach Limited | Real estate | 2013 |
| Nandamuri IT Services Ltd | Information & communication | 2013 |
| Nanotrack Ltd | Information & communication | 2025 |
| Naples Street Properties 1 Limited | Real estate | 2021 |
| Naples Street Properties 2 Limited | Real estate | 2021 |
| Naples Street Properties Limited | Real estate | 2017 |
| Nariv Limited | Health & social care | 2026 |
| Naro Living Ltd | Wholesale & retail | 2026 |
| Narrow Walk Investments LLP | | 2007 |
| NAS Hair and Beauty Ltd | Other services | 2024 |
| Nash Autos Y.R.M. Ltd | Wholesale & retail | 2017 |
| Nasmyth Limited | Extraterritorial | 1998 |
| Natalia Carpet Sheriff Ltd | Administrative & support | 2025 |
| Natann Limited | Real estate | 2017 |
| Nation Freight Ltd | Transport & logistics | 2021 |
| National Logistics & Carriers Ltd | Transport & logistics | 2026 |
| Nationwide Vehicle Deliveries Ltd | Transport & logistics | 2003 |
| Nationwide Vehicle Logistics Limited | Transport & logistics | 2012 |
| Natural Ingredients Imports Ltd | Wholesale & retail | 2018 |
| Nature Guardians CIC | Education | 2017 |
| Natures Quality Limited | Wholesale & retail | 2022 |
| Naughty Birds Ltd | Manufacturing | 2017 |
| Navae Residences Ltd | Hospitality | 2026 |
| Nawaz Mart Ltd | Wholesale & retail | 2025 |
| Nayda Clothing Ltd | Wholesale & retail | 2025 |
| NB Leather & Furnishings Limited | Wholesale & retail | 2017 |
| NCA Digital Ltd | Information & communication | 2020 |
| NCS Property Limited | Construction | 2026 |
| Ndeori Advisory Ltd | Professional & scientific | 2026 |
| NDH Holdings Ltd | Financial services | 2020 |
| NDT Traders Ltd | Wholesale & retail | 2020 |
| NE Management Ltd | Real estate | 2019 |
| Nechosim Ltd | Real estate | 2019 |
| Need an Accountant Ltd | Professional & scientific | 2025 |
| NEED4SPARES Ltd | Wholesale & retail | 2020 |
| NEG F&O Ltd | Wholesale & retail | 2025 |
| Nelcrest Limited | Real estate | 2017 |
| Nelira Ltd | Wholesale & retail | 2019 |
| Nellivia Ltd | Information & communication | 2022 |
| Nellivvia Limited | Real estate | 2022 |
| Nelo Advertising Ltd | Wholesale & retail | 2025 |
| Nelson Plumbing & Heating Ltd | Construction | 2021 |
| Nene Ltd | Health & social care | 2023 |
| NEO 15 Ltd | Real estate | 2026 |
| Neon Designs LP | | 2024 |
| Neonbridge Homes Ltd | Real estate | 2024 |
| Neorad Ltd | Health & social care | 2024 |
| Neoscape Holdings Ltd | Real estate | 2024 |
| Neoscape Properties Ltd | Real estate | 2021 |
| NEP (North) Limited | Information & communication | 2024 |
| Neros World Ltd | Wholesale & retail | 2016 |
| Nerwan Group Limited | Real estate | 2020 |
| Nest Studio Co. Ltd | Hospitality | 2025 |
| Nestwell Interiors Ltd | Wholesale & retail | 2017 |
| NET Furniture Ltd | Wholesale & retail | 2004 |
| NET Properties Ltd | Households | 2019 |
| Netalogue Procurement Limited | Information & communication | 1998 |
| Netalogue Technologies Limited | Information & communication | 2001 |