| Nest Commercial Property Ltd | Real estate | 2020 |
| Nest Holidays Limited | Administrative & support | 2019 |
| Nest in the Woods Community Interest Company | Education | 2015 |
| Nest Inc Limited | Households | 2024 |
| Nest Mortgages Ltd | Financial services | 2019 |
| Nested Haven Ltd | Households | 2025 |
| NET Envy Ltd | Information & communication | 2023 |
| NET Weaver Limited | Information & communication | 2000 |
| NET Zero NW Limited | Other services | 2020 |
| Netball X Events Limited | Arts & recreation | 2026 |
| Netcomm Systems Ltd | Information & communication | 2011 |
| Netengage Ltd | Information & communication | 2020 |
| Netfly Services Limited | Administrative & support | 2013 |
| Netmo Ltd | Information & communication | 2025 |
| Netpayments Limited | Extraterritorial | 2007 |
| Netro Energy Limited | Administrative & support | 2018 |
| Network Links Ltd | Manufacturing | 2019 |
| Network Motion Ltd. | Information & communication | 2014 |
| Network Surfacing Ltd | Construction | 2011 |
| Network Surfacing Projects Ltd | Construction | 2021 |
| NEU Apparel Limited | Wholesale & retail | 2014 |
| NEU Projects Ltd | Construction | 2022 |
| Neuroforensics Limited | Health & social care | 2018 |
| Neutronic Technologies Limited | Manufacturing | 2001 |
| Never Surrender Limited | Real estate | 2018 |
| Nevmatt Limited | Professional & scientific | 2019 |
| New Balance Athletic Shoes (U.K.) Limited | Manufacturing | 1982 |
| New Bradley Barns Limited | Households | 2011 |
| New Chapter Living Ltd | Health & social care | 2026 |
| New COD Warrington Ltd | Hospitality | 2026 |
| New CUT Kitchens Ltd | Professional & scientific | 2018 |
| New Dawn BIM Ltd | Administrative & support | 2023 |
| New ERA Commissioning Specialists Ltd | Construction | 2015 |
| New ERA Developments (Davenham) Limited | Construction | 2008 |
| New Found Consulting Services Ltd | Information & communication | 2022 |
| New Hall (Culcheth) Limited | Households | 1992 |
| New Horizon Holistic Centre LLP | | 2020 |
| New House Farm (Hatton) Management Company Limited | Households | 2023 |
| New Look Services Limited | Real estate | 2024 |
| New Printkwik Limited | Manufacturing | 2015 |
| New Quest Technologies Limited | Information & communication | 2018 |
| New Road (Costessey) Limited | Real estate | 2023 |
| New Rose Inn Limited | Hospitality | 2022 |
| New Staff Limited | Administrative & support | 2021 |
| New Star Food and Wine Ltd | Wholesale & retail | 2017 |
| New Stream Marketing Ltd | Professional & scientific | 2018 |
| New Summer Palace Ltd | Hospitality | 2012 |
| New Waves Properties Ltd | Real estate | 2021 |
| New Way Mortgage Centre Limited | Financial services | 2019 |
| New World Digital Media Limited | Information & communication | 2016 |
| New World PUB Company (Leeds) Limited | Hospitality | 2012 |
| New World Trading Company (UK) Holdings Limited | Hospitality | 2013 |
| New World Trading Company (UK) Limited | Hospitality | 2011 |
| New-Way Homes Holdings Limited | Financial services | 2026 |
| New-Way Homes Limited | Real estate | 2002 |
| Newbridge Design & Build Ltd | Construction | 2024 |
| Newburgh Foods Limited | Manufacturing | 2014 |
| Newby Doors Ltd | Construction | 2023 |
| Newchurch Pre-School Limited | Education | 2003 |
| Newco 200625 Limited | Wholesale & retail | 2025 |
| Newco 300925 Limited | Hospitality | 2025 |
| Newcom Solutions Limited | Administrative & support | 2013 |
| Newfoundland Consulting Ltd | Professional & scientific | 2010 |
| Newgen Technology Service Limited | Information & communication | 2024 |
| Newhall Butler Ltd | Professional & scientific | 2020 |
| Newlyn Automotive Solutions Ltd | Wholesale & retail | 2020 |
| Newmanjones Consultancy Limited | Other services | 2017 |
| Newmedix Limited | Health & social care | 2025 |
| Newprice Limited | Information & communication | 1983 |
| Newrose Properties Limited | Real estate | 2012 |
| News of the World Media Limited | Extraterritorial | 2011 |
| News of the World Newspapers Limited | Extraterritorial | 2011 |
| News of the World Publications Limited | Extraterritorial | 2011 |
| News Stop 2016 Ltd | Wholesale & retail | 2016 |
| Newsham Heating Limited | Construction | 2025 |
| Newstop Properties Ltd | Real estate | 2002 |
| Newton Heath Football Club Limited | Arts & recreation | 2010 |
| Newton Inns Limited | Real estate | 2020 |
| Newtonomy Limited | Information & communication | 2012 |
| Newtonux Limited | Other services | 2018 |
| Newtown Equestrian Ltd | Wholesale & retail | 2025 |
| Nexa Ultrasonic Solutions Limited | Manufacturing | 2017 |
| NEXG3N Ltd | Administrative & support | 2021 |
| Nexgen Customs Limited | Information & communication | 2025 |
| Nexgen Development Software Limited | Information & communication | 2024 |
| Nexgen Software Solution Ltd | Information & communication | 2024 |
| Nexgen Supply Chain Ltd | Professional & scientific | 2020 |
| Nexia Solutions Limited | Professional & scientific | 2008 |
| Nexos Designs Limited | Professional & scientific | 2016 |
| Nexpath Limited | Administrative & support | 2025 |
| Nexsport Digital Ltd | Information & communication | 2025 |
| Next Creative Fashion Limited | Wholesale & retail | 2021 |
| Next Down Ltd | Construction | 2019 |
| Next Energy Solutions Ltd | Construction | 2016 |
| Next Generation Internet Services Limited | Administrative & support | 2013 |
| Next REP Performance Ltd | Wholesale & retail | 2026 |
| Next Step Surveyors Ltd | Professional & scientific | 2023 |
| Next Tier Search Ltd | Administrative & support | 2026 |
| Nextgen Business Development Ltd | Professional & scientific | 2025 |
| Nextgen Drivers Ltd | Education | 2025 |