| Neuroblossom School CIC | Education | 2026 |
| Neurowise Ltd | Education | 2024 |
| New AGE Hydroponics Ltd | Wholesale & retail | 2009 |
| New Beauty Ltd | Other services | 2010 |
| New Chapter Property Developments Limited | Construction | 2006 |
| New City Cleaning Services Limited | Administrative & support | 2011 |
| New Concept Boats Ltd | Manufacturing | 2018 |
| New Concept Stock Boats Limited | Manufacturing | 2023 |
| New Cross Army Surplus Limited | Wholesale & retail | 2002 |
| New Key Homes Ltd | Construction | 2017 |
| New Start (2015) Limited | Real estate | 2015 |
| New Street 1960 Limited | Extraterritorial | 2014 |
| New Technology Group Holdings PLC | Information & communication | 2002 |
| Newell & Kent Ltd | Construction | 2015 |
| Newgate Media Ltd | Information & communication | 2026 |
| Newlands Developments Longton Limited | Construction | 2017 |
| Newma Limited | Professional & scientific | 2017 |
| Newman and Gray Limited | Construction | 2025 |
| Newridge Limited | Wholesale & retail | 2002 |
| Newton Haulage Ltd | Transport & logistics | 2021 |
| Newton Heating Ltd | Construction | 2021 |
| Newton Mind Body Spirit Ltd | Health & social care | 2021 |
| Newton Retreats Ltd | Real estate | 2021 |
| Nexcom AV Solutions Ltd | Administrative & support | 2026 |
| Next Level Information Limited | Administrative & support | 2008 |
| Next Level Training North West Limited | Education | 2025 |
| Nextday Freight (EOT) Limited | Financial services | 2022 |
| Nextday Freight (Holdings) Limited | Financial services | 2010 |
| Nextday Freight Limited | Transport & logistics | 2004 |
| Nextgen Curation Limited | Households | 2026 |
| Nexultd Limited | Information & communication | 2025 |
| Nexus Telecom Limited | Professional & scientific | 2005 |
| Nexus Telecommunications Limited | Information & communication | 1999 |
| Nexvorum Ltd | Wholesale & retail | 2026 |
| Nibal Ltd | Real estate | 2017 |
| Nicholas Allsopp Ltd | Transport & logistics | 2013 |
| Nicholas Bamford Ltd | Transport & logistics | 2025 |
| Nicholas Financial Management Ltd | Information & communication | 2022 |
| Nick Gouldbourne Limited | Administrative & support | 2010 |
| Nick Hansen Lighting Ltd | Information & communication | 2014 |
| Nicky Ingham and Associates Ltd | Administrative & support | 2017 |
| Nicoedi Limited | Professional & scientific | 2025 |
| Nicola Forshaw Associates Ltd | Professional & scientific | 2005 |
| Nicola Grace Millinery Limited | Manufacturing | 2024 |
| Nicolae Bobu Limited | Transport & logistics | 2018 |
| Nicolas Klayh Financial Services Ltd | Financial services | 2018 |
| Nidra Limited | Health & social care | 2009 |
| Nighthouse Limited | Extraterritorial | 2000 |
| Niish Technologies Limited | Wholesale & retail | 2000 |
| NISHAN1 Limited | Transport & logistics | 2016 |
| Nivra AI Ltd | Information & communication | 2026 |
| Nivra Holding Ltd | Financial services | 2026 |
| NKG Automotive Services Limited | Wholesale & retail | 1998 |
| NLG Roofing NW Ltd | Construction | 2025 |
| Nlhair Limited | Other services | 2022 |
| NM Festival Transport Limited | Administrative & support | 2014 |
| Nnjjr Ltd | Real estate | 2025 |
| NNN Investments Limited | Professional & scientific | 2014 |
| NO Ordinary Emporium Limited | Professional & scientific | 2015 |
| NO R Logic Limited | Information & communication | 2026 |
| NO13 Bonny Street Ltd | Hospitality | 2023 |
| Noble Health Ltd | Health & social care | 2019 |
| Noble Ventures (International) Ltd | Professional & scientific | 2018 |
| Noku Holdings Ltd | Wholesale & retail | 2019 |
| Nolan Plastering Contractors Ltd | Construction | 2013 |
| Nolan Property Services Ltd | Construction | 2025 |
| Nomakch Ltd | Professional & scientific | 2020 |
| Nord Aqua Panels Limited | Wholesale & retail | 2017 |
| Norden Recovery Limited | Financial services | 2010 |
| Nordmax Group Limited | Financial services | 2025 |
| Norfolk & Suffolk Scaffolding Ltd | Construction | 2019 |
| Norlec Engineering Limited | Manufacturing | 2021 |
| Norlo Outdoor Ltd | Wholesale & retail | 2023 |
| Nortec Electrical Services Limited | Construction | 1994 |
| North Compliance Ltd | Professional & scientific | 2026 |
| North East Management Academy Limited | Education | 2016 |
| North Landscaping and Fencing Limited | Professional & scientific | 2024 |
| North Norfolk Limited | Hospitality | 2018 |
| North of England Training Limited | Education | 2008 |
| North Preston Projects Ltd | Construction | 2020 |
| North Star Estates Limited | Real estate | 2009 |
| North Surrey Tree & Fencing Limited | Administrative & support | 2018 |
| North Tees Training Ltd | Education | 2018 |
| North West Brick Community CIC | Health & social care | 2025 |
| North West Commercial Cleaning Solutions Ltd | Administrative & support | 2024 |
| North West Damp & Timber Specialists Ltd | Construction | 2019 |
| North West Drainage Limited | Water & waste | 2025 |
| North West Event Medical Solutions Ltd | Other services | 2017 |
| North West Flooring Solutions Ltd | Construction | 2019 |
| North West Motor Auction Ltd | Wholesale & retail | 2021 |
| North West Motor Services Limited | Wholesale & retail | 2026 |
| North West Powder Coating Services Ltd | Manufacturing | 2010 |
| North West Projects Limited | Professional & scientific | 1987 |
| North West Repo Cars Ltd | Wholesale & retail | 2021 |
| North West Speech and Language Therapy Ltd | Health & social care | 2024 |
| North West Taekwondo (Sports & Fitness) Limited | Arts & recreation | 2021 |
| North West Traffic Management Solutions Ltd | Construction | 2025 |
| North West Upvc Spraying Ltd | Construction | 2018 |
| Northern Construction Chemicals (North West)Limited | Wholesale & retail | 1999 |
| Northern Lake Digital Limited | Information & communication | 2021 |