| Ttronic Services Ltd | Manufacturing | 2017 |
| Turbofizz Theatrics Ltd | Administrative & support | 2015 |
| Turbotrans Ltd | Transport & logistics | 2025 |
| Tutordash Ltd | Education | 2024 |
| Twimler Group Limited | Information & communication | 2015 |
| Tyronex Limited | Information & communication | 2016 |
| UK Friends Limited | Wholesale & retail | 2018 |
| UK Immigration Centre Ltd | Professional & scientific | 2004 |
| UK Performance Restoration Ltd | Administrative & support | 2007 |
| UK Shin YAT Tong Moral Association | Other services | 2025 |
| UK Top Tour Ltd | Administrative & support | 2017 |
| Ukdotcom Limited | Extraterritorial | 2020 |
| Ultiprax Ltd | Professional & scientific | 2025 |
| Unique Basements Ltd | Construction | 2014 |
| Unique Resources Ltd | Other services | 2015 |
| Uniserv Limited | Information & communication | 2013 |
| Unison Developments Limited | Real estate | 2024 |
| Unison One Ltd | Real estate | 2025 |
| Unison Three Ltd | Real estate | 2025 |
| Unison Two Ltd | Real estate | 2025 |
| Uprising London Ltd | Wholesale & retail | 2021 |
| Urban Hospitality Concepts Limited | Hospitality | 2020 |
| V12 Chessington Ltd | Arts & recreation | 2025 |
| V12 Elite Ltd | Arts & recreation | 2026 |
| Valentino CM Limited | Hospitality | 2026 |
| Valiant Valeting Ltd | Other services | 2018 |
| Value AD Limited | Professional & scientific | 2023 |
| Vandross Ltd | Construction | 2026 |
| Vanguard Structures Ltd | Construction | 2023 |
| Vavuniya District Old Students Union Community Interest Company | Health & social care | 2024 |
| Vazzi Ltd | Wholesale & retail | 2013 |
| VC Legal UK Ltd | Professional & scientific | 2013 |
| Vector GI Limited | Construction | 2021 |
| VEL Business Services Ltd | Professional & scientific | 2026 |
| Velociraptor Technology Ltd | Manufacturing | 2024 |
| Ventura IT Ltd | Information & communication | 2022 |
| Versatile Tiles Limited | Wholesale & retail | 2005 |
| Vertex Property Cleans Ltd | Administrative & support | 2023 |
| VG Radiologist Consultancy Limited | Health & social care | 2016 |
| Viccie Nelson Ltd | Health & social care | 2014 |
| Vigilant Health Care Ltd | Health & social care | 2019 |
| Viktoria Auto Ltd | Construction | 2020 |
| Viktox Ltd | Information & communication | 2018 |
| Villiers Flats Management Co. Limited | Households | 1982 |
| Vimbai Health Ltd | Health & social care | 2023 |
| Vinayagam Professional Medical Services Limited | Health & social care | 2023 |
| Vintage Art Gallery Limited | Wholesale & retail | 2020 |
| Viral Sound Limited | Arts & recreation | 2010 |
| Visage Art Limited | Wholesale & retail | 2012 |
| Vision Cross Trading Ltd | Wholesale & retail | 2005 |
| Vista Modernista Limited | Professional & scientific | 2009 |
| Vividss Ltd | Construction | 2019 |
| Vogo Traders Ltd | Wholesale & retail | 2009 |
| Volante Limited | Wholesale & retail | 1981 |
| Voyto Ltd | Wholesale & retail | 2016 |
| VUM Limited | Construction | 2018 |
| W Stephens & Sons Installations Limited | Other services | 2010 |
| W.E. Bedford Insurance Services (Wimbledon) Limited | Financial services | 1993 |
| W.E. Bedford Insurance Services Limited | Financial services | 1971 |
| Wallas Invest Ltd | Real estate | 2023 |
| Wash OFF Ltd | Arts & recreation | 2024 |
| Watch World Ltd | Wholesale & retail | 2020 |
| Waterbind Limited | Professional & scientific | 2013 |
| Waterlife Ltd | Wholesale & retail | 1999 |
| Waterloo SA Management Ltd | Households | 2023 |
| Watson Plumbing Ltd | Construction | 2026 |
| West Ewell Takeaway Ltd | Hospitality | 2019 |
| West Four Bathrooms Limited | Wholesale & retail | 2001 |
| West One Bathrooms Group Limited | Financial services | 1977 |
| West One Bathrooms Group Trustee Limited | Financial services | 2024 |
| West One Bathrooms Limited | Wholesale & retail | 1978 |
| West One Bathrooms Online Limited | Wholesale & retail | 2009 |
| West Three Bathrooms Limited | Wholesale & retail | 2001 |
| West Two Bathrooms Limited | Wholesale & retail | 1979 |
| Westergate House Owners Association Limited | Real estate | 1994 |
| Wheel Freedom Limited | Health & social care | 2007 |
| Whia Trading Ltd | Information & communication | 2016 |
| White House (Linen Specialists) Limited(The) | Wholesale & retail | 1936 |
| White Vanilla Ltd | Wholesale & retail | 2015 |
| Whiteriver Group Limited | Construction | 2019 |
| Whitewood Flats RTM Company Limited | Real estate | 2014 |
| Wide Angle Consulting London Limited | Professional & scientific | 2013 |
| Wilde Brunch Café Ltd | Hospitality | 2022 |
| Will Pool Swim School Tuition Ltd | Education | 2023 |
| Willow Manor Care Ltd | Public administration | 2023 |
| Wimbledon Minicab Ltd | Transport & logistics | 2019 |
| Wisley Manor (Holdings) Limited | Households | 2022 |
| Wisley Manor Limited | Hospitality | 2021 |
| Wismettac Emea Holdings Limited | Financial services | 2023 |
| Wismettac Harro Foods Limited | Hospitality | 1992 |
| With ME NOW Ltd | Information & communication | 2020 |
| WOB Solutions Limited | Wholesale & retail | 2014 |
| Woodlands Court(Woking)Limited | Households | 1968 |
| Woodstone Cleaning Services Limited | Administrative & support | 2013 |
| World Go Round Limited | Information & communication | 2025 |
| World Industrial Management-Wim Global Ltd. | Wholesale & retail | 2014 |
| WRC FIX and MIX Ltd | Construction | 2020 |
| Wright Life Properties Ltd | Real estate | 2025 |
| WW Host Ltd | Information & communication | 2019 |
| XBK Solutions Ltd | Information & communication | 2025 |