| Nettelecom Communications Services Ltd | Information & communication | 2012 |
| Netthis Limited | Information & communication | 2012 |
| Nettle Foods Ltd | Manufacturing | 2019 |
| Network 10 Ltd | Professional & scientific | 2010 |
| Network AM Limited | Administrative & support | 2018 |
| Network BUS & Truck Parts Ltd | Wholesale & retail | 2023 |
| Network Care (UK) Ltd | Professional & scientific | 2008 |
| Network Cctv Systems Ltd. | Manufacturing | 2012 |
| Network Couriers Ltd | Transport & logistics | 2026 |
| Network Design & Marketing EOT Limited | Financial services | 2024 |
| Network Integrated Cleaning Services Ltd | Administrative & support | 2004 |
| Network Interactions Limited | Information & communication | 2013 |
| Networkpod Ltd | Information & communication | 2020 |
| Networx Ltd | Construction | 2019 |
| Netwrx Logistics Ltd | Professional & scientific | 2025 |
| Netzoll Ltd | Information & communication | 2022 |
| NEU Care Ltd | Education | 2016 |
| Neugo Ltd | Information & communication | 2012 |
| Neupc Limited | Education | 2000 |
| Neuranorth Ltd | Information & communication | 2025 |
| Neuro North East LLP | | 2025 |
| Neuro Point Medicals Limited | Health & social care | 2013 |
| Neuro Reach Africa CIC | Professional & scientific | 2026 |
| Neurocreators Ltd | Education | 2026 |
| Neurodiversity Matters Ltd | Health & social care | 2024 |
| Neurodog Ltd | Information & communication | 2016 |
| Neuroedit Ltd | Administrative & support | 2016 |
| Neuronex Solutions Limited | Wholesale & retail | 2025 |
| Neurospice World CIC | Arts & recreation | 2025 |
| Neurosurgical Solutions Limited | Health & social care | 2012 |
| Neustar Technologies Limited | Information & communication | 2008 |
| Neustart Consulting Limited | Professional & scientific | 2016 |
| Nevar Limited | Professional & scientific | 2024 |
| Nevdec Limited | Health & social care | 2015 |
| Neve Elizabeth Company Limited | Administrative & support | 2018 |
| Never Enough Thyme Ltd | Hospitality | 2022 |
| Never Give UP Cleaning Services Ltd | Administrative & support | 2025 |
| Never Ordinary Limited | Financial services | 2023 |
| Never Paint Again Solutions Limited | Construction | 2023 |
| Neverlate Removals Ltd | Water & waste | 2024 |
| Nevies (Opticians) Limited | Health & social care | 1996 |
| Nevis Holdings Limited | Information & communication | 2007 |
| Nevis Holdings Trustee Limited | Financial services | 2015 |
| New Abode Limited | Real estate | 2021 |
| New Acorn Developments Ltd | Construction | 2022 |
| New Acorn Racing Ltd | Agriculture & fishing | 2026 |
| New Adventures in Pixels Ltd | Professional & scientific | 2011 |
| New AGE Sales & Lettings Ltd | Real estate | 2023 |
| New Altitude Ltd | Hospitality | 2026 |
| New Arcadian Press Limited | Arts & recreation | 2005 |
| New Armley Cars (UK) Ltd | Transport & logistics | 2013 |
| New BEE Ltd | Wholesale & retail | 2024 |
| New Beginnings Milton Ltd | Health & social care | 2024 |
| New Beginnings Penkhull Ltd | Health & social care | 2025 |
| New Bowl Restaurant Ltd | Hospitality | 2014 |
| New Build (Leeds) Ltd | Construction | 2022 |
| New Business Relationships Ltd | Professional & scientific | 2017 |
| New Chapeltown Development Trust | Information & communication | 2012 |
| New Citizens Limited | Arts & recreation | 2013 |
| New Concept Design & Build Ltd | Construction | 2019 |
| New Concept Facilities Management Ltd | Administrative & support | 2022 |
| New Concept Holdings Ltd | Administrative & support | 2022 |
| New Concept Security Ltd | Administrative & support | 2017 |
| New Concept Signs Ltd | Manufacturing | 2014 |
| New Craven Hall Ltd | Hospitality | 2016 |
| New Crofton Co-Op Colliery Limited | Mining & quarrying | 2012 |
| New CUT Limited | Professional & scientific | 2008 |
| New Day Cleaning Ltd | Administrative & support | 2026 |
| New Dewan Ltd | Hospitality | 2026 |
| New Earth Properties Letting Limited | Real estate | 2022 |
| New Earth Properties Limited | Real estate | 2021 |
| New Edge Plastering Ltd | Construction | 2025 |
| New Energia Limited | Construction | 2023 |
| New Energy Africa (Neal) Ltd | Professional & scientific | 2021 |
| New ERA Executive Search Ltd | Administrative & support | 2020 |
| New ERA Fitness Limited | Arts & recreation | 2003 |
| New ERA Insurance Services Limited | Financial services | 2022 |
| New Farm Properties Ltd | Real estate | 2019 |
| New Flying Tandoori Ltd | Manufacturing | 2018 |
| New Forest Curry Club Ltd | Hospitality | 2021 |
| New Front Ltd | Professional & scientific | 2024 |
| New Genesis Catering Limited | Hospitality | 2021 |
| New George TW Ltd | Hospitality | 2017 |
| New HO Food Limited | Hospitality | 2025 |
| New HO HO 8 Ltd | Hospitality | 2021 |
| New Holgate Limited | Construction | 2012 |
| New Horizons Training and Development Ltd | Professional & scientific | 2023 |
| New Hunslet Rugby League Football Company Limited | Arts & recreation | 1974 |
| New Ilios Ltd | Hospitality | 2024 |
| New Inn (Eccup) Limited | Hospitality | 2025 |
| New Inn Court Limited | Real estate | 2014 |
| New Inn Court Management Otley Limited | Real estate | 2024 |
| New Inn Court Properties Limited | Real estate | 2016 |
| New K Kabab Ltd | Hospitality | 2016 |
| New Leaf Productions Limited | Information & communication | 2018 |
| New Lodge Contractors Limited | Construction | 2012 |
| New Look Beauty Studio Limited | Other services | 2024 |
| New Look Interiors (Yorkshire) Limited | Manufacturing | 2011 |
| New Look Yorkshire Limited | Manufacturing | 2024 |
| New Mazka Ltd | Hospitality | 2026 |