| Nextgen Logistics & Tradings Ltd | Wholesale & retail | 2025 |
| Nextgen Recruitment UK Ltd | Professional & scientific | 2023 |
| Nextgen Talent Solutions Ltd | Administrative & support | 2021 |
| Nextjensecurity Limited | Professional & scientific | 2022 |
| Nextlevelco Ltd | Wholesale & retail | 2025 |
| Nextline Ltd | Wholesale & retail | 2018 |
| Nextline Solutions Ltd | Administrative & support | 2024 |
| Nextone Technologies Ltd | Information & communication | 2025 |
| Nextprowess Limited | Construction | 2025 |
| Nextrade Distribution Ltd | Wholesale & retail | 2025 |
| Nextshopper Ltd | Wholesale & retail | 2025 |
| Nextsight Limited | Wholesale & retail | 2024 |
| Nextsource Materials (UK) Ltd | Administrative & support | 2023 |
| Nextstage Productions Ltd | Professional & scientific | 2025 |
| Nextup Global Ltd | Information & communication | 2023 |
| Nextwave Ecomtd Limited | Information & communication | 2025 |
| Nextwave Traders Ltd | Financial services | 2024 |
| Nextway UK Limited | Transport & logistics | 2024 |
| Nexura Store Ltd | Wholesale & retail | 2025 |
| Nexus Advice Ltd | Financial services | 2024 |
| Nexus Bloom Procurement Matrix Limited | Wholesale & retail | 2025 |
| Nexus Consortium Ltd | Financial services | 2025 |
| Nexus Digital Group Limited | Wholesale & retail | 2024 |
| Nexus Dwell Ltd | Information & communication | 2019 |
| Nexus Equity Group Ltd | Wholesale & retail | 2024 |
| Nexus Home & Commercial Ltd | Construction | 2017 |
| Nexus Lounge Cardiff Ltd | Arts & recreation | 2026 |
| Nexus Master Services Ltd | Administrative & support | 2021 |
| Nexus Night Life Limited | Hospitality | 2023 |
| Nexus Ones Ltd | Arts & recreation | 2024 |
| Nexus Payroll Services Ltd | Administrative & support | 2020 |
| Nexus Studios Limited | Information & communication | 2025 |
| Nexus Talent Solutions Limited | Administrative & support | 2018 |
| Nexus Travel Technologies Group Ltd | Information & communication | 2018 |
| Nexus Travel Technologies Ltd | Information & communication | 2017 |
| Nexus Travel Technologies Services (Ntts) Ltd. | Information & communication | 1996 |
| Nexus-Fortis Asset Management Ltd | Financial services | 2026 |
| Nexuscollaborationservices Ltd | Wholesale & retail | 2025 |
| Nexuspeak Limited | Wholesale & retail | 2025 |
| Nexusx Limited | Wholesale & retail | 2024 |
| Nexvara Solutions Ltd | Extraterritorial | 2025 |
| Nexvid Ltd | Wholesale & retail | 2025 |
| Nexvolt Limited | Administrative & support | 2016 |
| Nexvora Limited | Manufacturing | 2026 |
| Nexvors Limited | Information & communication | 2025 |
| Neypa Ltd | Wholesale & retail | 2025 |
| Nezlin Ltd | Administrative & support | 2018 |
| NF21 Limited | Construction | 2021 |
| NFB Developments Ltd | Financial services | 2023 |
| Nffc Coatings Ltd | Manufacturing | 2020 |
| NFS Automotive Limited | Wholesale & retail | 2022 |
| Nfsandwich Ltd | Hospitality | 2025 |
| Nfsb Cardiff Limited | Wholesale & retail | 2021 |
| NFT Pussies Holding Ltd. | Wholesale & retail | 2020 |
| Nfth Cardiff Ltd | Hospitality | 2026 |
| NG Enterprise Ltd. | Wholesale & retail | 2018 |
| NG Housing Services Ltd | Real estate | 2019 |
| NG Rema Limited | Real estate | 2019 |
| NG Trade L.P. | | 2016 |
| NG2 Phase 3 Car Park Management Company Limited | Real estate | 2005 |
| NG2 Phase 4 Car Park Management Company Limited | Real estate | 2009 |
| NG2 Triangle Car Park Management Company Limited | Real estate | 2005 |
| NGA Drinks Ltd | Wholesale & retail | 2024 |
| Ngage Finance Limited | Financial services | 2021 |
| Ngan's Ltd | Hospitality | 2015 |
| Ngano Express Courier Services Limited | Transport & logistics | 2024 |
| Ngeni Tech Ltd | Professional & scientific | 2020 |
| Nggtech Limited | Professional & scientific | 2016 |
| NGO Ukraine Ltd | Transport & logistics | 2015 |
| Ngoya Limited | Professional & scientific | 2015 |
| NGS London Ltd | Extraterritorial | 2019 |
| NGS Plastering Ltd | Construction | 2024 |
| NGU Investments Ltd | Real estate | 2022 |
| Nguepi Ltd | Other services | 2025 |
| NH Haulage Ltd | Transport & logistics | 2023 |
| NH Housing Ltd | Real estate | 2017 |
| Nh&T Estates Ltd | Real estate | 2025 |
| Nh&T Trading Ltd | Wholesale & retail | 2026 |
| NH35 Watches Limited | Wholesale & retail | 2020 |
| Nhale Limited | Information & communication | 2025 |
| Nhcc Ltd. | Other services | 2000 |
| Nhcom Ltd | Wholesale & retail | 2025 |
| Nhct Development Ltd | Real estate | 2025 |
| NHD Musiq Inc Ltd | Arts & recreation | 2019 |
| Nhef Limited | Real estate | 2022 |
| NHF Limited | Transport & logistics | 2022 |
| NHI(2021) Ltd | Construction | 2021 |
| NHK Properties Ltd | Real estate | 2026 |
| NHT Horizon Consulting Limited | Wholesale & retail | 2026 |
| NI CAN Help Ltd | Professional & scientific | 2019 |
| NIA Security Ltd | Administrative & support | 2018 |
| Niakian (Living) Ltd | Real estate | 2015 |
| Niakian Limited | Real estate | 2014 |
| Niall Gallacher Ltd | Professional & scientific | 2020 |
| Nianshop Ltd | Wholesale & retail | 2025 |
| Niazi Corporations Ltd | Wholesale & retail | 2024 |
| Niazi Dynamics Ltd | Professional & scientific | 2020 |
| Nibbr Limited | Professional & scientific | 2012 |
| Nibbytech Ltd | Information & communication | 2012 |
| Nibglen Limited | | 1978 |