| Nexvelop Ltd | Information & communication | 2025 |
| Nine Four One Property Group Limited | Real estate | 2025 |
| NIZ Investment Limited | Hospitality | 2025 |
| NJ Holding Group Ltd | Information & communication | 2018 |
| Njenga Capital Limited | Information & communication | 2017 |
| NKS Consultants Limited | Information & communication | 2015 |
| NO1 Link Group Ltd | Real estate | 2022 |
| NOC Media Ltd | Information & communication | 2024 |
| Norba Services Ltd | Wholesale & retail | 2023 |
| Nortei Construction Works Ltd | Construction | 2022 |
| Norti Media Ltd | Professional & scientific | 2024 |
| Novanest Group Limited | Construction | 2025 |
| NSA Trading UK Ltd | Wholesale & retail | 2011 |
| Ntrimz Ltd | Other services | 2021 |
| Numerix Ltd | Professional & scientific | 2015 |
| Nurturehub CIC | Education | 2025 |
| Nutrice Ltd | Wholesale & retail | 2025 |
| NVB Composites International Ltd | Professional & scientific | 2018 |
| NVB Holdings International Limited | Financial services | 2003 |
| NVB Propulsion International Limited | Manufacturing | 2012 |
| NVB Windturbine Energy International Ltd | Professional & scientific | 2018 |
| Nwagner Tax & Accounting - Financial Advisor - UK Limited | Professional & scientific | 2026 |
| Nyasa Enterprises Ltd | Wholesale & retail | 2022 |
| Oak ASH Marble Ltd | Wholesale & retail | 2025 |
| Oaxmi Limited | Wholesale & retail | 2015 |
| Oembrix Supplements Limited | Wholesale & retail | 2026 |
| Olivia Olswi Ltd | Wholesale & retail | 2024 |
| Omninet Technology Limited | Information & communication | 2014 |
| One True Message Ltd | Education | 2014 |
| Onpoint Surveys Ltd | Transport & logistics | 2018 |
| Opengate Consulting Limited | Information & communication | 2024 |
| Optixhealth Ltd | Wholesale & retail | 2025 |
| Opulent Hair Beauty Ltd | Other services | 2024 |
| Orange Rooftop Properties Ltd | Real estate | 2016 |
| Orbiq Limited | Wholesale & retail | 2025 |
| Orchid Meadows (Management) Company Limited | Households | 2019 |
| Oryxa IT Limited | Information & communication | 2025 |
| Osborn Management Limited | Construction | 2006 |
| Oukarb Ltd | Wholesale & retail | 2026 |
| Outmarket Ltd | Information & communication | 2019 |
| Outmedia Ltd | Information & communication | 2019 |
| Outpower Ltd | Administrative & support | 2019 |
| Outstanding News and Mags Limited | Wholesale & retail | 2003 |
| Outvision Ltd | Information & communication | 2019 |
| PAM Food Shop Ltd | Wholesale & retail | 2024 |
| Paperdollz Limited | Wholesale & retail | 2016 |
| Parahan Distribution Ltd | Wholesale & retail | 2026 |
| Parigul Ltd | Wholesale & retail | 2026 |
| Pathly Tech Ltd | Information & communication | 2025 |
| Paul Lonergan Architects Limited | Professional & scientific | 2013 |
| PCW Investment Management Limited | Professional & scientific | 2011 |
| Peak Event Management Ltd | Hospitality | 2025 |
| Peanut Butter & Jelly Clothing Ltd | Wholesale & retail | 2025 |
| Pegasus Vending Ltd | Wholesale & retail | 2025 |
| Penelva Properties Ltd | Real estate | 2019 |
| Pensiondesk Limited | Financial services | 2026 |
| Phoenix Rising Properties Limited | Real estate | 2025 |
| Pink Alps Ltd | Real estate | 2026 |
| Pinnacle Fire Solutions Ltd | Public administration | 2025 |
| Pinnacle Trading International Ltd | Wholesale & retail | 2017 |
| PK Fitters Ltd | Construction | 2026 |
| Planning Enforcement Limited | Financial services | 2020 |
| Platform Resilience Ltd | Information & communication | 2026 |
| Positivity Properties Limited | Real estate | 2022 |
| PPA Projects International Limited | Administrative & support | 2020 |
| Practicesoft Ltd | Information & communication | 2018 |
| Premier FIX Ltd | Construction | 2024 |
| Price Heating & Electrical Ltd | Construction | 2019 |
| Prime Consultancy Ltd | Professional & scientific | 2023 |
| Prison Awareness Team Limited | Education | 2022 |
| Pro Elite Ventures UK Ltd | Administrative & support | 2023 |
| Pro Sports Cybernetics Ltd | Arts & recreation | 2019 |
| Prominence International Limited | Wholesale & retail | 2020 |
| Property & Co (London) Ltd | Real estate | 2024 |
| Proxima Clothing Ltd | Wholesale & retail | 2026 |
| PSI Installations Ltd | Construction | 2012 |
| Purple Mancill Company Limited | Information & communication | 2012 |
| Purple Tax Advisors Ltd | Professional & scientific | 2019 |
| Purris Group Ltd | Wholesale & retail | 2026 |
| Qasim ALI Pasha Ltd | Wholesale & retail | 2025 |
| Qlbaeva Trade Ltd | Wholesale & retail | 2025 |
| Quantum Fast Services Ltd | Real estate | 2025 |
| Quantum Service Insights Ltd | Professional & scientific | 2026 |
| Questify Limited | Education | 2025 |
| Quickselect Group Limited | Financial services | 2024 |
| R Boldea Ltd | Construction | 2024 |
| Rabzee Services Limited | Professional & scientific | 2014 |
| Raees Mughal Ltd | Wholesale & retail | 2025 |
| Rankbert Ltd | Information & communication | 2025 |
| Rare Look Ltd | Professional & scientific | 2023 |
| Raza Syed Medical Limited | Health & social care | 2011 |
| RBG Management Limited | Professional & scientific | 2010 |
| Rebilit Ltd | Wholesale & retail | 2024 |
| Reconnect Learning Ltd | Education | 2026 |
| Red Stone Design & Construction Limited | Construction | 2022 |
| Reglaz Ltd | Wholesale & retail | 2023 |
| Relay Source Ltd | Wholesale & retail | 2025 |
| Remo Property Group Ltd | Real estate | 2021 |
| Renovate Buildings Ltd | Construction | 2025 |
| Reqtify Ltd | Information & communication | 2026 |