| Nestle NB Financing (International) Ltd | Financial services | 2021 |
| Nestle Purina UK Commercial Operations Limited | Wholesale & retail | 2019 |
| Nestle Purina UK Manufacturing Operations Limited | Manufacturing | 1912 |
| Nestle UK Ltd. | Manufacturing | 1897 |
| Nestle UK Pension Trust Ltd. | Financial services | 1947 |
| Nestle UK Pensions Reservoir Trust Limited | Financial services | 2000 |
| Nestlé Purlaw Limited | Manufacturing | 1992 |
| Nestlé Waters UK Limited | Manufacturing | 1989 |
| Nestt C.I.C. | Education | 2019 |
| Netchimp Limited | Professional & scientific | 2011 |
| Nether Hornpot Ltd | Real estate | 2021 |
| Netherferry Estates Ltd | Construction | 2006 |
| Netivica Limited | Information & communication | 2025 |
| Netsafe IT Limited | Information & communication | 2022 |
| Nettie Group Ltd | Arts & recreation | 2026 |
| Network North Limited | Professional & scientific | 2023 |
| Network Sales and Marketing Limited | Administrative & support | 1996 |
| Neuro Excel Ltd | Education | 2025 |
| Neuroconverse Ltd | Education | 2024 |
| Never Forget ME Shop Ltd. | Wholesale & retail | 2016 |
| Neville Property Services Ltd | Real estate | 2021 |
| New Century Enterprises Limited | Administrative & support | 2007 |
| New Concept Care . Nursing . Training Limited | Health & social care | 1999 |
| New Daffodil Limited | Real estate | 1986 |
| New Earswick Mobility York Ltd | Wholesale & retail | 2020 |
| New Enterprises Co. Limited | Information & communication | 2022 |
| New Forge Court Management Company Limited | Households | 2010 |
| New Gold Cafe Ltd | Hospitality | 2026 |
| New HK York Ltd | Hospitality | 2025 |
| New Holland Securities | Extraterritorial | 1986 |
| New Homes Solutions Holdings Limited | Financial services | 2019 |
| New Homes Solutions Ltd | Real estate | 2012 |
| New Hong Kong Beckfield Lane Ltd | Hospitality | 2024 |
| New Horizons Estate Planning Ltd | Extraterritorial | 2025 |
| New Leaf Consultancy Limited | Administrative & support | 2014 |
| New LET Limited | Real estate | 2005 |
| New Level Results (Coaching) Ltd | Professional & scientific | 2020 |
| New Level Results Limited | Professional & scientific | 2014 |
| New Light (North of England) | Health & social care | 2010 |
| New Light CIC | Administrative & support | 2016 |
| New Naylor Garage Limited | Wholesale & retail | 2016 |
| New Orchard Properties Ltd | Real estate | 2022 |
| New Path Consulting Limited | Professional & scientific | 2007 |
| New Springwood Nursery Limited | Health & social care | 2010 |
| New Xiwang Ltd | Wholesale & retail | 2025 |
| New York Care Limited | Health & social care | 2009 |
| New York Software Consultancy Ltd | Information & communication | 2014 |
| New York Sushi Ltd | Wholesale & retail | 2024 |
| New Yorker Pizza and Burger Ltd | Hospitality | 2022 |
| Newall Property York Limited | Real estate | 2021 |
| Newbald Limited | Professional & scientific | 2021 |
| Newbridge Care Systems Limited | Health & social care | 2007 |
| Newby Investments (York) Ltd | Real estate | 2022 |
| Newby Park & West Park Gardens (Carlisle) Management Company Limited | Households | 2026 |
| Newcastle Joinery Limited | Professional & scientific | 2017 |
| Newcrest Global Ltd | Real estate | 2021 |
| Newcrest Holdings Limited | Other services | 2025 |
| Newcresta Property Ltd | Real estate | 2022 |
| Newgate House Limited | Financial services | 2012 |
| Newgate Premium Finance Ltd | Financial services | 2013 |
| Newgate York Limited | Real estate | 2024 |
| Newhay Farms Limited | Agriculture & fishing | 1991 |
| Newinntholthorpe Ltd | Hospitality | 2011 |
| Newitt & Co Limited | Wholesale & retail | 2002 |
| Newitts of York Limited | Wholesale & retail | 2010 |
| Newland Park Investments Ltd | Education | 2020 |
| Newlands Farm Holiday Cottages Limited | Hospitality | 2017 |
| Newleaf Ideas Ltd | Information & communication | 2015 |
| Newman Fields (Soham) Residents Management Company Ltd | Households | 2025 |
| Newmarket Land Developments Limited | Construction | 1992 |
| Newsholme Computer Services Limited | Information & communication | 1987 |
| Newstead Developments Limited | Construction | 2000 |
| Newstead Holdings Ltd | Professional & scientific | 2026 |
| Newstone Group Limited | Construction | 2017 |
| Newthorpe Land Limited | Professional & scientific | 2018 |
| Newtons Barbers LLP | | 2023 |
| Newton’S Property Services Ltd | Real estate | 2025 |
| Nexjora Ltd | Wholesale & retail | 2023 |
| Nexnet Management Limited | Real estate | 2004 |
| Nexops Consulting Ltd | Information & communication | 2026 |
| Next Door BUT One CIC | Arts & recreation | 2021 |
| Next Level Building & Joinery Limited | Construction | 2020 |
| Next Level Lets Ltd | Real estate | 2024 |
| Next Level Online Coaching Limited | Other services | 2019 |
| Next Phase Projects Limited | Real estate | 2023 |
| Nextgen Clothing Limited | Wholesale & retail | 2013 |
| Nexus 39 Ltd | Information & communication | 2026 |
| Nexus Pro Systems Holdings Limited | Construction | 2018 |
| Nexus Pro Systems Limited | Construction | 2018 |
| Nexus Technical Services Ltd | Professional & scientific | 2026 |
| Nfinnerty Electrical Ltd | Administrative & support | 2017 |
| NFT Ltd | Construction | 2020 |
| NG Creations Ltd | Professional & scientific | 2025 |
| NGC Properties Ltd | Real estate | 2025 |
| Ngenics Global Limited | Professional & scientific | 2012 |
| NGP Management Company Residential (Cell C) Limited | Real estate | 2013 |
| NHC Management Ltd | Professional & scientific | 2012 |
| Nice Things (Helmsley) Limited | Wholesale & retail | 2006 |
| Nicenewcar Limited | Wholesale & retail | 2003 |
| Niche Hair and Beauty Limited | Other services | 2013 |