| My Architecture Design Ltd | Extraterritorial | 2012 |
| My Beauty Tools Limited | Extraterritorial | 2012 |
| My Signature Party Limited | Administrative & support | 2026 |
| My Smooth Moves Removals Limited | Transport & logistics | 2022 |
| Mybilion International Limited | Wholesale & retail | 2023 |
| Myers Motors Service Centre Limited | Wholesale & retail | 2022 |
| MYEVENTS1 Limited | Hospitality | 2026 |
| Mylan Biotechnology Limited | Manufacturing | 2024 |
| Mylove Mother and Baby Care Products Co., Ltd | Extraterritorial | 2016 |
| Mymuna Limited | Education | 2023 |
| Myoung Cosmetic Ltd | Wholesale & retail | 2024 |
| Myriad Crop Nutrition Spain Ltd. | Manufacturing | 2024 |
| Mytex Textile Co., Ltd | Wholesale & retail | 2018 |
| MZ Energy Storage UK Ltd | Energy | 2026 |
| MZ Industrias Ltd | Extraterritorial | 2025 |
| MZB Property Ltd | Real estate | 2019 |
| N & R Projects Limited | Real estate | 2010 |
| N Singh Legal Limited | Professional & scientific | 2024 |
| N Thomas Construction Services Ltd | Construction | 2026 |
| N. E. Treecare Ltd | Agriculture & fishing | 2018 |
| N. S. Wibberley Funerals Ltd | Other services | 2018 |
| N.E.Gardencare Limited | Administrative & support | 2016 |
| Nabo Trade Ltd | Extraterritorial | 2020 |
| Nacqui Limited | Information & communication | 2015 |
| Naeva Limited | Professional & scientific | 2016 |
| Nafa International Trade Co., Ltd | Extraterritorial | 2018 |
| Nailux Beauty Ltd | Other services | 2023 |
| Naixue (UK) Limited | Wholesale & retail | 2024 |
| NAK Dartford LLP | | 2022 |
| Nalley Limited | Extraterritorial | 2015 |
| Namemart Ltd | Information & communication | 2022 |
| Namyang Ricohn New Material Limited | Extraterritorial | 2023 |
| NAN HUA Machinery Co., Ltd | Extraterritorial | 2014 |
| NAN XI Trade Co., Limited | Wholesale & retail | 2021 |
| Nanchao Holdings Limited | Energy | 2025 |
| Nanjing Yahot Inflatable Boat Co., Ltd | Extraterritorial | 2014 |
| Nanli Group Co., Ltd | Manufacturing | 2021 |
| Nanomiix Ltd | Professional & scientific | 2020 |
| Nantong Eheng New Material Technology Co., Ltd | Extraterritorial | 2017 |
| Nantong Holding Co., Ltd | Wholesale & retail | 2024 |
| Nantong Huasheng Plastic Products Co Ltd | Wholesale & retail | 2018 |
| Nartel Lighting Limited | Extraterritorial | 2009 |
| Naruth Global Solutions Ltd | Real estate | 2010 |
| Narwhale Technology Co., Ltd | Extraterritorial | 2013 |
| Nass Consortium Ltd | Health & social care | 2023 |
| Nastle Industry Co., Ltd | Extraterritorial | 2013 |
| Natas Bakery Limited | Hospitality | 2026 |
| Natflav Limited | Wholesale & retail | 2021 |
| Nathan Fredrick Limited | Wholesale & retail | 2025 |
| Nationwide EPC Online Ltd | Professional & scientific | 2017 |
| Nationwide Memorials Limited | Other services | 2005 |
| Natris Limited | Real estate | 2019 |
| Natser Ltd | Real estate | 2016 |
| Natural Home Developments Limited | Extraterritorial | 2012 |
| Natural Stone Care Limited | Administrative & support | 2002 |
| Nature Industrial Group Co., Limited | Extraterritorial | 2013 |
| Naturelink Technology Ltd | Wholesale & retail | 2023 |
| Natycare Group Limited | Extraterritorial | 2020 |
| Nautilus Marine Technologies Co., Ltd | Wholesale & retail | 2025 |
| Navicore Certification Service Limited | Manufacturing | 2025 |
| Navispec Supply Chain Ltd | Manufacturing | 2025 |
| Navistech Shipping Service Limited | Manufacturing | 2025 |
| Nayauk Co. Ltd | Manufacturing | 2023 |
| Nayon Holdings Limited | Real estate | 2024 |
| NBB (Zhejiang) Auto Parts Co., Ltd | Extraterritorial | 2021 |
| NBB International Limited | Extraterritorial | 2019 |
| Nbcell Energy Co., Ltd | Manufacturing | 2022 |
| Nboat International Trading Limited | Wholesale & retail | 2024 |
| Nbsb Property Limited | Real estate | 2021 |
| Nbsb Services Limited | Professional & scientific | 2017 |
| NBT Consultancy Ltd | Information & communication | 2016 |
| Nbysh Ltd | Extraterritorial | 2021 |
| NDM Research and Training Limited | Professional & scientific | 2020 |
| NDO Assets Ltd | Wholesale & retail | 2025 |
| Neat Sanitary Co., Ltd. | Extraterritorial | 2018 |
| NEB Investment Ltd | Wholesale & retail | 2021 |
| Nebulux Transborder Trading Co., Ltd | Wholesale & retail | 2025 |
| Nedile (International) Group Ltd | Extraterritorial | 2017 |
| Need Group Limited | Extraterritorial | 2015 |
| Neem Solutions Limited | Real estate | 2018 |
| NEH Group Limited | Financial services | 2024 |
| Neighbourhood Church | Other services | 2012 |
| Neight Holdings Limited | Financial services | 2024 |
| Neil Wood Building & Electrical Ltd | Construction | 2006 |
| Nelson House Management (Beckenham) Limited | Households | 2001 |
| Neoscandy International Group Co., Ltd | Extraterritorial | 2014 |
| Neptune Marine Engineering Co., Limited | Manufacturing | 2025 |
| Neptune Shipping & Partners Limited | Manufacturing | 2024 |
| Nesaz Holdings Ltd | Administrative & support | 2021 |
| Nesaz Stores Ltd | Wholesale & retail | 2021 |
| Nesaz Trading Ltd | Financial services | 2021 |
| Nest Space Limited | Education | 2024 |
| Nesthill Group Limited | Real estate | 2017 |
| Netdgr Limited | Information & communication | 2021 |
| Netherfield Management Limited | Households | 1962 |
| Netherland Emlly Crop Nutrition Ltd | Extraterritorial | 2020 |
| Netherland Xierdun Agriculture Ltd | Extraterritorial | 2025 |
| Netherlands Bellom Chemical Group Co. Ltd | Mining & quarrying | 2024 |
| Netherlands Dijiama Mining Industry Group Ltd | Extraterritorial | 2024 |
| Netherlands Dimas (International) Co., Ltd | Extraterritorial | 2022 |