| Two Floors Ltd | Real estate | 2024 |
| Two Guys Gelato Ltd | Hospitality | 2024 |
| TY Danjuma Family Office Limited | Financial services | 2009 |
| TY Properties (UK) Limited | Real estate | 2010 |
| TY Ventures (UK) Limited | Administrative & support | 2009 |
| Tyler Property Consultancy Limited | Real estate | 2016 |
| Tyrrell & Needs (Enfield) Limited | Real estate | 1970 |
| Ubuntu Neurorehab Training Ltd | Health & social care | 2007 |
| UK Defence Industries Limited | Public administration | 2016 |
| Ukai Trade Organisation Limited | Information & communication | 2024 |
| Ukmedix Internet Ltd | Wholesale & retail | 2018 |
| UME9 Limited | Information & communication | 2017 |
| Unbox Industries Ltd | Administrative & support | 2011 |
| UNI Holdings 1 Ltd | Financial services | 2022 |
| UNI365 Limited | Wholesale & retail | 2019 |
| Unicorn Ingredients Ltd | Wholesale & retail | 2008 |
| Unicorn Overseas Limited | Wholesale & retail | 2011 |
| Universal Expats Ltd | Professional & scientific | 2020 |
| Universal Jackson Holdings Ltd | Professional & scientific | 2016 |
| Uphall Grange Limited | Agriculture & fishing | 1953 |
| Urban Matrix (Esher) LLP | | 2010 |
| Urban Matrix Construction Limited | Construction | 2011 |
| Urban Matrix Developments LLP | | 2009 |
| Urban Matrix Limited | Professional & scientific | 2006 |
| Urban Matrix Project One Limited | Financial services | 2014 |
| Urban Matrix Properties LLP | | 2009 |
| Urbicus Limited | Professional & scientific | 2021 |
| Urological Cancer Services Ltd | Health & social care | 2016 |
| Uskmouth Energy Storage Extension Project AA Ltd | Energy | 2021 |
| V3 Studios Limited | Financial services | 2025 |
| V3AS Consulting Limited | Information & communication | 2024 |
| VALE23 Ltd | Professional & scientific | 2023 |
| VALE25 Management Ltd | Real estate | 2024 |
| Valson International Limited | Real estate | 1977 |
| Vandana Solutions Limited | Information & communication | 2015 |
| Vandenberghe Limited | Construction | 2024 |
| Vastuss Limited | Professional & scientific | 2016 |
| Velford Ltd | Information & communication | 1998 |
| Velo Venture Ltd | Administrative & support | 2025 |
| Velox Productions Ltd | Information & communication | 2024 |
| Veluba Limited | Transport & logistics | 2017 |
| Verdigris Strategic Limited | Professional & scientific | 2010 |
| Vernasca Limited | Construction | 2015 |
| Vertical Advantage Ltd | Administrative & support | 2011 |
| Viadex Propco Ltd | Real estate | 2023 |
| Viatrader Limited | Information & communication | 2005 |
| VIC Murray Talent Limited | Administrative & support | 2009 |
| Victoria VON Stein Limited | Professional & scientific | 2017 |
| Victorian Inn Epsom Limited | Hospitality | 2022 |
| Victorious Investments Limited | Real estate | 2024 |
| Vincett Ltd | Administrative & support | 2011 |
| Virgo Collective London Ltd. | Wholesale & retail | 2024 |
| Visability Ltd | Administrative & support | 2011 |
| Vision Synthetics Ltd | Professional & scientific | 2002 |
| Vista Architecture Limited | Professional & scientific | 1987 |
| Visu Verum Interiors Limited | Professional & scientific | 2015 |
| Visu Verum Investments Ltd | Financial services | 2014 |
| Vita Capital Management Ltd | Financial services | 2012 |
| Vivienne Porritt Associates Limited | Other services | 2017 |
| Vivier Ltd | Professional & scientific | 2025 |
| Vocality Singing Limited | Other services | 2008 |
| Vokings Advisers Ltd | Professional & scientific | 2013 |
| Voussoir Ltd | Construction | 2022 |
| VRC Imaging Limited | Health & social care | 2026 |
| VV Commercial Properties Ltd | Real estate | 2021 |
| W&M Investments Ltd | Real estate | 2020 |
| W.J. Medhurst (Developments) Limited | Wholesale & retail | 1979 |
| W11 Timepieces Ltd | Wholesale & retail | 2018 |
| W12 Properties Limited | Real estate | 2019 |
| W2F Holdings Ltd | Financial services | 2025 |
| Wallace Medical Aesthetics Limited | Health & social care | 2016 |
| Wallace Prime Property Ltd | Construction | 2014 |
| Walton Landscape Supplies Ltd | Wholesale & retail | 2013 |
| WAR of the Worlds Crazy Adventure Golf Limited | Arts & recreation | 2024 |
| Warren Close (Esher) Ltd | Other services | 2014 |
| Wash Repairs Limited | Other services | 2007 |
| Waste-Away Skips Limited | Professional & scientific | 1972 |
| Water Road Consulting Ltd | Professional & scientific | 2014 |
| Watkin Fuller Limited | Real estate | 2012 |
| Watkins Payne EOT Limited | Administrative & support | 2022 |
| Watkins Payne Limited | Construction | 2021 |
| Waugh International Consulting Limited | Professional & scientific | 2016 |
| Wavelength Development Ltd | Professional & scientific | 2010 |
| Wayneflete Place (Freehold) Ltd | Households | 2024 |
| Webdone Limited | Information & communication | 2026 |
| Weldmen Techra Consulting Limited | Professional & scientific | 2020 |
| Well Good Kind Ltd | Hospitality | 2025 |
| Wellco Secretaries Ltd | Professional & scientific | 2001 |
| Wellco Trustees Limited | Professional & scientific | 2002 |
| Wellden Turnbull Limited | Professional & scientific | 2018 |
| Wellington's Nursery Ltd | Health & social care | 2015 |
| Wellspa Ltd | Construction | 2020 |
| Welmarsden Limited | Professional & scientific | 1978 |
| Wentworth House Partnership Limited | Construction | 1998 |
| Wesa Limited | Transport & logistics | 2014 |
| West Lodge Property Management Limited | Real estate | 2025 |
| West London Diagnostic Limited | Health & social care | 2018 |
| Westbank Ltd | Real estate | 2017 |
| Westcott Homes Ltd | Construction | 2026 |
| Western Air Freight Limited | Transport & logistics | 1984 |