| Navex Global UK Limited | Information & communication | 2019 |
| Navitas Industrial Corporation Limited | Manufacturing | 2016 |
| NIT NOI Limited | Transport & logistics | 2001 |
| Nobledots Ltd | Administrative & support | 2018 |
| Octopus Technology Digital Solutions Limited | Information & communication | 2021 |
| Old Hampstead Estates Limited | Construction | 2019 |
| Old Priory Terrace Limited | Real estate | 2020 |
| Onelife Leadership | Other services | 2010 |
| Optivest Investment Ltd | Real estate | 2024 |
| Oriana Group Ltd | Transport & logistics | 2017 |
| Ortiz Care Company Limited | Health & social care | 2016 |
| Otto Car SPV 1 Ltd | Financial services | 2022 |
| Otto Group Holdings Limited | Administrative & support | 2022 |
| Otto SPV 2 Limited | Financial services | 2025 |
| P. Kirson Limited | | 1975 |
| Pars Building Management Services Ltd | Construction | 2011 |
| Petrogroup Holdings PLC | | 1987 |
| Pipeline Integrity International Group Pension Trustees Limited | Financial services | 2025 |
| Pro Fitness Fortis Limited | Arts & recreation | 2020 |
| Project London Sports Group Ltd | Arts & recreation | 2024 |
| Purple PEN Ltd | Professional & scientific | 2011 |
| Reform Consultancy Limited | Education | 2019 |
| Rise Accountancy Ltd | Professional & scientific | 2021 |
| Roseau Consultancy Ltd | Information & communication | 2025 |
| Sagarveg Ltd | Hospitality | 2011 |
| Sage Community Arts | Health & social care | 2013 |
| SBT Motors (UK) Limited | Wholesale & retail | 2012 |
| Search and Co Property Services Ltd | Real estate | 2018 |
| Sherwin Joseph Furlong Limited | Extraterritorial | 2024 |
| Siam Railway Services Co. Ltd | Real estate | 2006 |
| Simple Wellness UK Ltd | Wholesale & retail | 2026 |
| Singh's Dining Limited | Hospitality | 2026 |
| Sky Hunter Innovation Ltd | Wholesale & retail | 2023 |
| Skyrad Consulting Limited | Professional & scientific | 2015 |
| Smartcart Technologies Ltd | Other services | 2016 |
| SMARTR365 Finance Ltd | Financial services | 2016 |
| Soid Consultants Ltd | Professional & scientific | 2022 |
| Tablet Publishing Company Limited(The) | Information & communication | 1936 |
| Taste and Flavours Ltd | Hospitality | 2021 |
| TCB Sport Media Ltd. | Information & communication | 2014 |
| Terranova.Network Limited | Administrative & support | 2018 |
| THE Audit Experts Limited | Professional & scientific | 2024 |
| THE East India Film Company Limited | Information & communication | 2010 |
| THE National Caribbean Monument | Construction | 2016 |
| Thrive Therapies Ltd | Health & social care | 2018 |
| Type Eight Consulting Limited | Other services | 2025 |
| V-End Design Ltd | Wholesale & retail | 2021 |
| Vascular Science Ltd | Health & social care | 2010 |
| Vcsf Limited | Other services | 2017 |
| Viasystems Manchester Limited | Professional & scientific | 1988 |
| Voestalpine UK Ltd | Administrative & support | 1949 |
| VR Motorcycles (W6) Ltd | Wholesale & retail | 2013 |
| WEI LAN Global Ltd | Hospitality | 2013 |
| Willmotts (London) Limited | Real estate | 2006 |
| Willow Bay Properties Limited | Real estate | 2017 |
| Wrangler Instruments Ltd | Manufacturing | 2023 |
| Xtremity MRI Scan Ltd | Professional & scientific | 2025 |
| Yaas Food Ltd | Hospitality | 2017 |
| Yengema Enterprises Ltd | Other services | 2016 |
| Zach Peter Paska-Furlong Limited | Extraterritorial | 2024 |
| Ziad Limited | Other services | 2012 |