| Nanab Limited | Wholesale & retail | 2025 |
| Nancarrows Ltd | Real estate | 2024 |
| Nandish Foods Ltd | Hospitality | 2024 |
| Napier Building Solutions Limited | Hospitality | 2025 |
| Narcoffee UK Ltd | Administrative & support | 2018 |
| Natalia Violet Ltd | Wholesale & retail | 2020 |
| National Bereavement Partnership | Other services | 2020 |
| Nationwide Air Limited | Construction | 2016 |
| Nationwide Engineering Group Ltd | Financial services | 2015 |
| Nationwide Engineering Ltd | Construction | 2011 |
| Nationwide Gastro Pubs Ltd | Hospitality | 2023 |
| Nationwide Rail Ltd | Construction | 2022 |
| Nationwide RPZ Ltd | Extraterritorial | 2007 |
| Nationwide Waterproofing Limited | Construction | 2022 |
| Natural Agriculture Ltd | Extraterritorial | 2015 |
| Natural Order Foundation | Financial services | 2012 |
| Natural Order Limited | Wholesale & retail | 2011 |
| Natural Snooze Ltd | Manufacturing | 2024 |
| Natural Water Limited | Water & waste | 2019 |
| Naturals Foods Private Ltd | Wholesale & retail | 2023 |
| Naturapak.Shop Ltd | Wholesale & retail | 2025 |
| Nature Measured Ltd | Extraterritorial | 2011 |
| Naturedoc Ltd | Health & social care | 2014 |
| Naturescapes Studio Ltd | Information & communication | 2023 |
| Navigatus Limited | Administrative & support | 2017 |
| NDA Legal Limited | Extraterritorial | 2022 |
| NDW8 Limited | Professional & scientific | 2021 |
| NE Housing Ltd | Real estate | 2024 |
| Neale Events Ltd | Professional & scientific | 2013 |
| Neale Residence Limited | Real estate | 2015 |
| Nearway Driver Training Ltd | Education | 2015 |
| NEC Electrical Supplies Limited | Wholesale & retail | 2018 |
| Neighbourhood Pubs and Bars Limited | Administrative & support | 2015 |
| Neil Hollinworth Plumbing and Heating Limited | Construction | 2012 |
| Neil Morton Limited | Hospitality | 2008 |
| Neil Peters Ltd | Other services | 2005 |
| Nekto Ltd | Professional & scientific | 2017 |
| Nekton International Ltd | Construction | 2016 |
| Nelson of Landford Consulting Limited | Professional & scientific | 2021 |
| Nenkashé Associates Limited | Information & communication | 2019 |
| Neon Pheasant Limited | Extraterritorial | 2022 |
| Neosf Ltd | Information & communication | 2023 |
| NEP Estate (Salisbury) Limited | Real estate | 2022 |
| NEP Estate Limited | Real estate | 2012 |
| NEP FIC | Other services | 2019 |
| NEP Group Holdings Limited | Real estate | 2023 |
| NEP Investments Ltd | Real estate | 2013 |
| Nepbud Limited | Hospitality | 2025 |
| Neptune Croft Residents Management Company Limited | Households | 2025 |
| Netheravon Estate Management Company Limited | Households | 2004 |
| Netheravon Road (Salisbury) Limited | Real estate | 2008 |
| Netherhampton Business Centre Management Limited | Construction | 1991 |
| Netherhampton Farm (Manco) Ltd | Households | 2023 |
| Netherhampton Sports Association Limited | Arts & recreation | 2025 |
| Netta Limited | Administrative & support | 2013 |
| Nettlecombe Limited | Professional & scientific | 1997 |
| Neuro Frontiers Limited | Health & social care | 2025 |
| Neurokind Ltd | Education | 2023 |
| New Aspect Management Company Limited | Households | 2008 |
| New Aspect NO 2 Management Company Limited | Households | 2008 |
| New Canal Limited | Construction | 2024 |
| New Cardington Hangars Block Residents Management Company Limited | Households | 2022 |
| New Cardington Hangars Estate Residents Management Company Limited | Households | 2022 |
| New Central Developments Limited | Construction | 2013 |
| New Central Properties Limited | Real estate | 2017 |
| New Enclosure Limited | Professional & scientific | 2024 |
| New Fields Apartments Management Company (Chichester) Limited | Real estate | 2021 |
| New Fields Management Company (Chichester) Limited | Real estate | 2020 |
| New Forest (Holdings) Limited | Construction | 2016 |
| New Forest Acquisitions Limited | Construction | 2016 |
| New Forest Aqua Park Ltd | Arts & recreation | 2004 |
| New Forest Brewery Limited | Wholesale & retail | 1976 |
| New Forest Camping Limited | Professional & scientific | 2020 |
| New Forest Classic Hire Limited | Administrative & support | 2025 |
| New Forest Coarse Fishing Limited | Agriculture & fishing | 2015 |
| New Forest Daysaway Limited | Hospitality | 2025 |
| New Forest Electrical Contractors Ltd | Construction | 2016 |
| New Forest Equine Ltd | Agriculture & fishing | 2021 |
| New Forest Haulage and Plant Ltd | Transport & logistics | 2025 |
| New Forest Lavender Limited | Hospitality | 2014 |
| New Forest Mushrooms Limited | Agriculture & fishing | 2011 |
| New Forest National Park Building Limited | Construction | 2012 |
| New Forest Plumbing and Heating Ltd | Construction | 2010 |
| New Forest Property Lets Ltd | Real estate | 2026 |
| New Forest Refrigeration Ltd | Professional & scientific | 2025 |
| New Forest Water Park Group Holdings Limited | Administrative & support | 2015 |
| New Forest Water Park Limited | Arts & recreation | 2012 |
| New Forest Window Cleaning Ltd | Administrative & support | 2011 |
| New Gimsons Place (Witham) Management Company Limited | Real estate | 2022 |
| New Horizon Family Mediation Services Ltd | Professional & scientific | 2020 |
| New Knowledge Ltd | Administrative & support | 2002 |
| New Manor Farm LLP | | 2025 |
| New Monks Park (Lancing) Management Company Limited | Households | 2021 |
| New River Gardens Management Company Limited | Households | 2022 |
| New Road (Feltham) Management Company Limited | Households | 2019 |
| New ROW Ltd | Hospitality | 2023 |
| New Sarum Construction Limited | Construction | 2022 |
| New Shipton Farm Management Company Limited | Households | 2005 |
| New Street NO.1 Limited | Hospitality | 2015 |
| New Style Barber 3 Ltd | Other services | 2025 |