| Neutrality at Work International Limited | Professional & scientific | 2017 |
| Nevaeh Leigh Investments Ltd | Real estate | 2025 |
| Neval Limited | Hospitality | 2024 |
| Neves Seven Ltd | Professional & scientific | 2018 |
| Neville Ashman Accountants Limited | Professional & scientific | 2020 |
| Nevis Marketing Limited | Wholesale & retail | 1988 |
| New Alchemy Innovations Ltd | Information & communication | 2025 |
| New Beach Management (2010) Limited | Households | 2010 |
| New Evidence Logistic Ltd | Transport & logistics | 2025 |
| New Forest Activities Limited | Professional & scientific | 2010 |
| New Forest and Wessex Design Limited | Professional & scientific | 2019 |
| New Forest Cattery and Kennels Ltd | Hospitality | 2022 |
| New Forest Furniture Limited | Wholesale & retail | 2000 |
| New Forest Glass Workshop Ltd | Manufacturing | 2017 |
| New Forest Grab Hire Ltd | Administrative & support | 2019 |
| New Forest Instrument Control Limited | Manufacturing | 1972 |
| New Forest Laboratories Ltd | Wholesale & retail | 2019 |
| New Forest LOG Cabins Southern Limited | Construction | 2021 |
| New Forest OFF Road Club CIC | Education | 2021 |
| New Forest Oven Wizards Ltd | Professional & scientific | 2002 |
| New Forest Precision Plumbing Ltd | Construction | 2023 |
| New Forest Sawmill Limited | Agriculture & fishing | 2017 |
| New Hippodrome (Southampton) Limited | Professional & scientific | 1945 |
| New Homes Construction (Dorset) Ltd | Construction | 2019 |
| New Milton Property Limited | Real estate | 1998 |
| New Neighbours Ltd | Real estate | 2026 |
| New Oriental Spice Ltd | Hospitality | 2019 |
| New Park House (Bournemouth) Management Company Limited | Households | 1988 |
| New Park Road Freehold Limited | Households | 2004 |
| New Phase Aesthetics Limited | Other services | 2022 |
| New Star Textiles Limited | Wholesale & retail | 2020 |
| New Style Living Limited | Real estate | 2017 |
| New Way UK Consultants Ltd | Professional & scientific | 2007 |
| New York Deli Limited | Hospitality | 2018 |
| Newall Holdings Ltd | Real estate | 2015 |
| Newgate Private Equity Limited | Professional & scientific | 1980 |
| Newitt Lettings Limited | Real estate | 2020 |
| Newitt Property Co. Ltd | Real estate | 2020 |
| Newland Creations Limited | Professional & scientific | 2018 |
| Newman Properties (South) Limited | Real estate | 2022 |
| Newmill Close Management Limited | Households | 2019 |
| Newsquest (Essex) Limited | Extraterritorial | 1995 |
| Newsquest (Herts and Bucks) Limited | Extraterritorial | 1937 |
| Newsquest (London & Essex) Limited | Extraterritorial | 1995 |
| Newsquest Capital Limited | Extraterritorial | 1995 |
| Newsquest Community Media Limited | Information & communication | 1884 |
| Newsquest Limited | Extraterritorial | 1996 |
| Newsquest Media (Southern) Limited | Extraterritorial | 1864 |
| Newsquest Media Group Limited | Information & communication | 1982 |
| Newsquest Pension Trustee Limited | Other services | 1996 |
| Newsquest Specialist Media Limited | Extraterritorial | 1988 |
| Newstead 36 Freehold Limited | Households | 2012 |
| Newstead Court Management Limited | Households | 1968 |
| Newton Care Limited | Health & social care | 2015 |
| Newton Fallowell Limited | Real estate | 2005 |
| Newton Property Group Ltd | Real estate | 2024 |
| Newton Vision Corp (UK) Ltd | Information & communication | 2025 |
| Newtown House Freehold Company Limited | Households | 2024 |
| Nexira Advisory Ltd | Real estate | 2026 |
| Nexmoney Ltd | Financial services | 2018 |
| Nexo Clean Limited | Administrative & support | 2026 |
| Next Level Apartments Limited | Hospitality | 2018 |
| Next Level Brickwork & Alterations Ltd | Construction | 2020 |
| Next Level Plumbing and Maintenance Ltd | Construction | 2017 |
| Next Step Living Services Ltd | Real estate | 2026 |
| Next Step Services NSS Ltd | Health & social care | 2026 |
| Next Steps Holding Group Ltd | Financial services | 2026 |
| Nexterra Nexus Ltd | Professional & scientific | 2025 |
| Nextgen Handyman Ltd | Other services | 2019 |
| Nextly Ltd | Wholesale & retail | 2025 |
| Nextrack Planning Ltd | Professional & scientific | 2025 |
| Nexum Developments Limited | Construction | 2026 |
| Nexum Investments Ltd | Real estate | 2025 |
| Nexurge Ltd | Wholesale & retail | 2025 |
| Nexus Mesh Ltd | Information & communication | 2011 |
| Nexus Motorsport Limited | Arts & recreation | 2023 |
| Neya Ltd | Wholesale & retail | 2014 |
| Neya Property Holdings Ltd | Real estate | 2018 |
| Ngagementworks Ltd | Professional & scientific | 2013 |
| NGD Developments Limited | Real estate | 2021 |
| NGV Services Limited | Manufacturing | 2020 |
| NH Interiors Limited | Professional & scientific | 2024 |
| Nhdh Limited | Administrative & support | 2013 |
| Nhushed Ltd | Information & communication | 2024 |
| Nice Place Limited | Administrative & support | 2014 |
| Nice Slice Pizza Ltd | Hospitality | 2022 |
| Nicholls MC Ltd | Information & communication | 2013 |
| Nick Clayton Limited | Professional & scientific | 2003 |
| Nick Wilden Property Consultants Ltd | Real estate | 2024 |
| Nicks Farm CIC | Health & social care | 2024 |
| Nicoleta Florea Limited | Administrative & support | 2018 |
| Nida Hannan Ltd | Professional & scientific | 2024 |
| Nido Freehold Ltd | Real estate | 2025 |
| Nigel Newbery Home Improvements Ltd | Construction | 2009 |
| Night and Day Bournemouth Limited | Health & social care | 2025 |
| Night and Day Care Limited | Administrative & support | 2010 |
| Nightingale I Limited | Construction | 2025 |
| Nightingales Freehold Limited | Households | 2017 |
| Nightingales Management Company Limited | Households | 1996 |
| Niko Homes Limited | Other services | 2023 |