| NCD Unity Ltd | Real estate | 2025 |
| NCR Construction Limited | Construction | 2020 |
| ND Concepts Ltd | Wholesale & retail | 2025 |
| ND UK Investments Ltd | Financial services | 2020 |
| NDI Healthcare Ltd | Administrative & support | 2020 |
| NDM PUB Management Ltd | Hospitality | 2025 |
| NDP Entertainment Ltd | Information & communication | 2013 |
| NDP Motors Limited | Wholesale & retail | 2013 |
| NDR Grab Hire Limited | Water & waste | 2019 |
| NDT Technical Services Limited | Professional & scientific | 2019 |
| Ndutu Ltd | Health & social care | 2025 |
| NDW Solars Ltd | Energy | 2025 |
| Neachley Transport Services Ltd | Transport & logistics | 2026 |
| Near NET Shape Limited | Manufacturing | 2016 |
| Nechev Logistics Limited | Transport & logistics | 2025 |
| Nectar HR Limited | Administrative & support | 2016 |
| Nectar Properties 13 Ltd | Real estate | 2025 |
| Neculae Rags Limited | Transport & logistics | 2022 |
| Nedcy Health Solutions Ltd | Health & social care | 2022 |
| Nedic Park Estates Limited | Real estate | 2010 |
| Nedic Transport & Plant Hire Limited | Construction | 2004 |
| Needham Estates Ltd | Real estate | 2024 |
| Needham Market Real Estate Limited | Real estate | 1995 |
| Needle 'N' Thread Embroidery Holdings Limited | Financial services | 2020 |
| Needle 'N' Thread Embroidery Limited | Manufacturing | 2020 |
| Needvit Ltd | Wholesale & retail | 2025 |
| Neesha Services (UK) Ltd | Construction | 2014 |
| Neil Radley Ltd | Extraterritorial | 2022 |
| Neilsen Tools Europe Ltd | Wholesale & retail | 2025 |
| Neks Properties Ltd | Real estate | 2022 |
| Neldais Accountancy Limited | Professional & scientific | 2020 |
| Nelly's Accountants Ltd | Professional & scientific | 2022 |
| Nels Access Solutions Limited | Construction | 2017 |
| Nelson 1959 Limited | Extraterritorial | 2015 |
| Nelson Adjusting & Investigations Limited | Administrative & support | 2018 |
| Nelstan Consulting Limited | Professional & scientific | 2018 |
| Nelstan Holdings Limited | Financial services | 2023 |
| Nelstan Investments Limited | Real estate | 2020 |
| Nelstan Limited | Professional & scientific | 2019 |
| Nelstan Ventures Limited | Financial services | 2019 |
| Nelstar Holdings Limited | Financial services | 2019 |
| Nemac Limited | Construction | 2010 |
| Nemro Limited | Financial services | 2010 |
| NEO Auto Limited | Water & waste | 2004 |
| NEO Writer Ltd | Information & communication | 2025 |
| Neomart Ltd | Wholesale & retail | 2026 |
| Neon Sarp Construction Ltd | Manufacturing | 2023 |
| NEP Electrics Ltd | Construction | 2024 |
| NEP Solutions Ltd | Professional & scientific | 2024 |
| Nepalimasala Ltd | Hospitality | 2023 |
| Nepevents UK Ltd | Arts & recreation | 2025 |
| Neptoony Ltd | Wholesale & retail | 2013 |
| Neriphise Ltd | Transport & logistics | 2019 |
| Nesmond Limited | Health & social care | 2024 |
| Nest Cookies Ltd | Manufacturing | 2021 |
| Nest Self Storage Limited | Other services | 2024 |
| Nest Ventures Limited | Real estate | 2021 |
| Nestext Ltd | Administrative & support | 2018 |
| Nestlo Mart Ltd | Wholesale & retail | 2026 |
| Nestoria Group Ltd. | Real estate | 2020 |
| NET Fusion Tech Services Limited | Information & communication | 2025 |
| NET4TAKEAWAY Ltd | Wholesale & retail | 2008 |
| Netball Injury LAB Ltd | Health & social care | 2026 |
| Netfusion Services Ltd | Information & communication | 2025 |
| Nethermoor House Limited | Health & social care | 2005 |
| Netherwood Care Home Ltd | Health & social care | 2013 |
| Netley Distribution Limited | Wholesale & retail | 2024 |
| Netmaple Limited | Other services | 2004 |
| Netmerce Ltd | Wholesale & retail | 2026 |
| Netpeak Digital Services Ltd | Information & communication | 2026 |
| Netshire Health Tech Ltd | Information & communication | 2025 |
| Netshire Ltd | Wholesale & retail | 2020 |
| Netvision IP Ltd | Information & communication | 2007 |
| Network Partnership Limited | Wholesale & retail | 2010 |
| Networkark Ltd | Information & communication | 2024 |
| Netzsch Thermal Instruments UK Ltd | Wholesale & retail | 2022 |
| Neuroconnections Ltd | Health & social care | 2025 |
| Neville Precision Engineering Limited | Manufacturing | 2004 |
| New Alisha (Wolverhampton) Supermarket Ltd | Wholesale & retail | 2017 |
| New Beginning Ministries | Other services | 2019 |
| New Brain Solutions Ltd | Wholesale & retail | 2025 |
| New Britanic Engineers Limited | Manufacturing | 1985 |
| New Bushbury Triangle Co-Operative Limited | Administrative & support | 1998 |
| New Chapter Mgmt Ltd | Professional & scientific | 2025 |
| New Chatha Fresh Food Limited | Hospitality | 2025 |
| New Crispy Duck Ltd | Real estate | 2014 |
| New Dawn Healthcare Limited | Hospitality | 1998 |
| New Dawn School Limited | Education | 2021 |
| New Desi YEW Tree Limited | Hospitality | 2017 |
| New Diamonds Healthcare Agency Limited | Health & social care | 2017 |
| New Dimension Property Ltd | Real estate | 2016 |
| New Ecommerce Ltd | Wholesale & retail | 2025 |
| New England Flooring Company Limited | Construction | 2011 |
| New ERA Financial Introductions Limited | Other services | 2006 |
| New ERA Painting and Decorating Services Ltd | Construction | 2017 |
| New Future Holdings Limited | Households | 2020 |
| New GEN Sparks Contractors Ltd | Construction | 2023 |
| New Generation Property Group Ltd | Households | 2022 |
| New Global Recycling Ltd | Water & waste | 2024 |
| New Ground Trading Limited | Wholesale & retail | 2015 |