| Newlands (Peterborough West Plot 1) Ltd | Real estate | 2022 |
| Newlands (Peterborough West Plot 2) Limited | Real estate | 2022 |
| Newlands (Peterborough West Plot 3) Limited | Real estate | 2022 |
| Newlands (Peterborough West Plot 4) Limited | Real estate | 2022 |
| Newlands (Peterborough West Plot 5) Limited | Real estate | 2022 |
| Newlands (Peterborough West Plot 6) Limited | Real estate | 2022 |
| Newlands (Peterborough West Plot 7) Limited | Real estate | 2022 |
| Newlands (Peterborough West Plot 8) Limited | Real estate | 2022 |
| Newlands (Peterborough West) Ltd | Real estate | 2019 |
| Newlands (Rushden Plot 1) Ltd | Real estate | 2022 |
| Newlands (Rushden Plot 2) Ltd | Real estate | 2022 |
| Newlands (Rushden Plot 3) Ltd | Real estate | 2022 |
| Newlands (Rushden Plot 4) Ltd | Real estate | 2022 |
| Newlands (Rushden Plot 5) Ltd | Real estate | 2022 |
| Newlands (Rushden Plot 6) Ltd | Real estate | 2022 |
| Newlands (Rushden) Ltd | Real estate | 2020 |
| Newlands (Rushden) Management Company Ltd | Real estate | 2022 |
| Newlands Property Developments (Huntingdon) Limited | Real estate | 2023 |
| Newlands Property Developments (Peterborough Gateway) Limited | Construction | 2020 |
| Newlands Property Developments (Rugby) Limited | Financial services | 2020 |
| Newlands Property Developments LLP | | 2018 |
| Newlands Property Group Limited | Financial services | 2024 |
| Newlands Securities Limited | Financial services | 2024 |
| Newlands UK Management Limited | Financial services | 2018 |
| Newrainbow Biochemicals Limited | Administrative & support | 2013 |
| Newshire Motors Limited | Extraterritorial | 1975 |
| Newtengtai Co., Ltd | Administrative & support | 2022 |
| Next Steps Associates Limited | Administrative & support | 2005 |
| Nfka Co., Ltd | Wholesale & retail | 2026 |
| NFU Commercial Holdings Limited | Financial services | 2022 |
| NFU Energy Limited | Professional & scientific | 2000 |
| NFU Services Limited | Information & communication | 1998 |
| NGG Trading Ltd | Wholesale & retail | 2026 |
| NGR Homes Ltd | Real estate | 2019 |
| Niche Tools (UK) MFG., Ltd | Administrative & support | 2024 |
| Nick Blake Associates Limited | Professional & scientific | 2013 |
| Nihao LED Company Limited | Administrative & support | 2021 |
| Nikam Investments Ltd | Real estate | 2025 |
| Niki Chemie Ltd | Extraterritorial | 2017 |
| Nikki Heaton Studios Limited | Professional & scientific | 2023 |
| Ningbo Armpower Fastener Limited | Manufacturing | 2017 |
| Ningbo Autop Industry Co., Ltd | Professional & scientific | 2016 |
| Ningbo Charmax IMP. &EXP. Co., Ltd | Administrative & support | 2025 |
| Ningbo Ever Nice Leisure Co., Limited | Wholesale & retail | 2018 |
| Ningbo Forest Import and Export Co., Ltd. | Extraterritorial | 2017 |
| Ningbo Hillhouse International Cargo Agent Co., Ltd | Extraterritorial | 2017 |
| Ningbo J-Marine Imp&Exp Co., Ltd | Extraterritorial | 2017 |
| Ningbo JDP Metal & Plastic Co., Ltd | Extraterritorial | 2019 |
| Ningbo Jimei Manufacturing Co., Ltd. | Professional & scientific | 2014 |
| Ningbo Jumu Lighting Electrical Appliance Co., Ltd | Wholesale & retail | 2019 |
| Ningbo LD Plastic Household Co., Ltd | Extraterritorial | 2013 |
| Ningbo New Concept Co., Ltd | Extraterritorial | 2018 |
| Ningbo Rolland International Trading Co., Ltd | Extraterritorial | 2021 |
| Ningbo Runner Engineering Limited | Extraterritorial | 2018 |
| Ningbo Shanmei Chemical Co., Ltd | Administrative & support | 2015 |
| Ningbo Wansheng Import and Export Co., Ltd | Wholesale & retail | 2015 |
| Ningbo Xuhan Industry Co., Ltd. | Extraterritorial | 2017 |
| Ningbo Yingda Hardware Co., Ltd | Extraterritorial | 2019 |
| NIQ Health Limited | Extraterritorial | 2010 |
| NJ Event Services Ltd | Construction | 2024 |
| Nkrm Consulting Ltd | Professional & scientific | 2025 |
| NO.9 R.Cres. Management Company Limited | Real estate | 2014 |
| Noble Brand Holdings Limited | Extraterritorial | 2015 |
| Nodus Developments Ltd | Construction | 2025 |
| Nodus Property Group Ltd | Professional & scientific | 2025 |
| Nolan-Sellex Limited | Wholesale & retail | 2016 |
| Nord Fluid Systems (UK) Co. Ltd | Extraterritorial | 2021 |
| Norman Hague and Sons Limited | Agriculture & fishing | 1963 |
| Norman Knight PUB Limited | Hospitality | 2015 |
| North Ashow Residents Association Limited | Water & waste | 1991 |
| North Pine Property Limited | Real estate | 2023 |
| North Sheppey Farming Ltd | Construction | 2024 |
| Nortonduff Ltd | Real estate | 2007 |
| Norway Manhaimu Chymistry Engineering Co., Limited | Extraterritorial | 2018 |
| Norway Yajing Special Fertilizer Co., Ltd | Agriculture & fishing | 2024 |
| NOT a Doctor Ltd | Health & social care | 2025 |
| Nova Industry (Holding) Company Limited | Administrative & support | 2010 |
| Noveland Chemicals Ltd | Administrative & support | 2018 |
| Novus MED Holdings Ltd | Financial services | 2025 |
| Novus MED Ltd | Wholesale & retail | 2016 |
| NR Audio Co., Ltd | Administrative & support | 2023 |
| NSB Management Ltd | Real estate | 2019 |
| NST Co., Ltd | Administrative & support | 2022 |
| NSY Marine Service Co., Ltd | Administrative & support | 2024 |
| Ntech Communication Solutions Ltd | Information & communication | 2015 |
| Numerous Hustles Ltd | Professional & scientific | 2024 |
| Nutrizen Wellness Ltd | Wholesale & retail | 2014 |
| NV Advisors Limited | Financial services | 2023 |
| NXT LVL Management Ltd | Financial services | 2022 |
| O'Connor Civils Ltd | Construction | 2025 |
| O.D.O Engineering Limited | Wholesale & retail | 2022 |
| Oakwood Planning Limited | Professional & scientific | 2017 |
| Obelixis Ltd | Other services | 2025 |
| OBO Chain Products Co., Ltd | Extraterritorial | 2018 |
| OC51 Limited | Professional & scientific | 2025 |
| Ocean Star Global Shipping Co., Limited | Wholesale & retail | 2020 |
| Oceantec Co., Limited | Manufacturing | 2008 |
| OD Information Limited | Information & communication | 2013 |
| ODD Things Company Ltd | Wholesale & retail | 2025 |
| Odin Trade Co., Ltd | Professional & scientific | 2019 |