| Tycrew Ltd | Administrative & support | 2023 |
| UK Breathalyzer Shop Ltd | Wholesale & retail | 2007 |
| UNA Skin Ltd | Wholesale & retail | 2022 |
| Uncountable Ltd | Education | 2017 |
| Unique Gold Friends Limited | Administrative & support | 2012 |
| Untold Interiors Limited | Professional & scientific | 2017 |
| UP 4 Loud Productions Ltd | Information & communication | 2003 |
| Uther Pharmaceutical Ltd | Wholesale & retail | 2025 |
| V M Murphy & Co Ltd | Professional & scientific | 2008 |
| Valtor Ltd | Real estate | 2024 |
| Vamparossa Ltd | Manufacturing | 2024 |
| Vaughan Pierce Associates Ltd | Professional & scientific | 2015 |
| Velvet BUG Limited | Information & communication | 1999 |
| Verdant Group Limited | Financial services | 2021 |
| Verdant Holdings Limited | Real estate | 2015 |
| Verdant Limited | Administrative & support | 2021 |
| Verdant Outdoor Living Limited | Manufacturing | 2023 |
| Verdant Retail Limited | Manufacturing | 2015 |
| Verdant Services Limited | Wholesale & retail | 2021 |
| Verdi UK Limited | Wholesale & retail | 2001 |
| Vernda Ltd | Wholesale & retail | 2023 |
| Vertex Angle Limited | Extraterritorial | 2013 |
| VF Financial Management Ltd | Financial services | 2006 |
| VGM Advisors Ltd | Professional & scientific | 2021 |
| Victoria's Farming Limited | Administrative & support | 2022 |
| Video Journal of Hematological Oncology Ltd | Extraterritorial | 2015 |
| Vince O'Brien Plastering Contractors Limited | Construction | 1995 |
| Vince Productions Ltd | Information & communication | 2024 |
| Vinewood Developments Limited | Real estate | 2011 |
| VIP Drinks Ltd | Wholesale & retail | 2020 |
| VOB Holdings Ltd | Construction | 2021 |
| VOB Homes Ltd | Construction | 2001 |
| Vocovo Limited | Manufacturing | 2021 |
| Vptv (London) Limited | Information & communication | 2006 |
| VSC Wine and Drink Ltd | Wholesale & retail | 2018 |
| W N W Izod Ltd | Agriculture & fishing | 2015 |
| W.H Sporting Ltd | Arts & recreation | 2023 |
| Waddilove Music Ltd | Information & communication | 2021 |
| Waking Sun Ltd | Construction | 2010 |
| Walcot House Limited | Manufacturing | 1998 |
| Waldbalds Incorporated Limited | Other services | 2024 |
| Walkopedia Ltd | Information & communication | 2008 |
| Wall Nook Health Bonus Limited | Wholesale & retail | 2001 |
| Walter Craft Court Management Company Limited | Households | 2018 |
| Waratah Inc Ltd | Professional & scientific | 2002 |
| Wayside Property Solutions Ltd | Real estate | 2022 |
| WBC Access Road Management Limited | Construction | 2019 |
| WE ARE Mimi Limited | Other services | 2019 |
| WE ARE Mimi London Ltd | Other services | 2020 |
| WE Sell Beer Ltd | Hospitality | 2024 |
| Webbs Yard Residents Association Limited | Households | 2003 |
| Welba App Limited | Information & communication | 2021 |
| West London Shooting Grounds Limited | Arts & recreation | 1982 |
| West Street Mews Ltd | Households | 2025 |
| West Street Villas Management Company Limited | Households | 2017 |
| Westcote Place Management Limited | Professional & scientific | 1999 |
| Weston Manor Farm Limited | Agriculture & fishing | 2017 |
| WF Employee Ownership Trustee Limited | Professional & scientific | 2021 |
| Wheelers Chipping Norton Limited | Wholesale & retail | 2004 |
| White Crane Academy Limited | Education | 2016 |
| White Finance Limited | Professional & scientific | 2017 |
| Whitehead Kettlewell Property Limited | Real estate | 2008 |
| Whitestone Trading Ltd | Wholesale & retail | 2020 |
| Wigwam Storage Management Limited | Professional & scientific | 2019 |
| Wilba Technologies Limited | Information & communication | 2026 |
| Wild for Words Ltd | Education | 2019 |
| Wild Trading Limited | Wholesale & retail | 2005 |
| Wildbourne (Milton Under Wychwood) Management Company Limited | Households | 2020 |
| Wildly Compassionate Ltd | Education | 2025 |
| Will Shapland Mobiles Ltd. | Information & communication | 2003 |
| Will Thomas Sound Ltd | Information & communication | 2026 |
| Willbee Landscapes Limited | Construction | 2008 |
| William Wallace Commissioning Management Ltd | Administrative & support | 2025 |
| Williamson & Wood Ltd | Construction | 2026 |
| Wine Expo Limited | Other services | 2019 |
| Wineconsult Limited | Professional & scientific | 2010 |
| Wipc UK Ltd | Professional & scientific | 2013 |
| Wise Investments Employee Ownership Trustee Limited | Professional & scientific | 2021 |
| Wise Investments Ltd | Financial services | 2003 |
| Wise OWL Health Limited | Manufacturing | 2025 |
| Wiseman Finance Limited | Financial services | 2017 |
| With Harry Limited | Professional & scientific | 2024 |
| With Hindsite Limited | Information & communication | 2012 |
| Wold Coffee Limited | Hospitality | 2026 |
| Wombat Films Ltd | Information & communication | 2015 |
| Wood & Wood Properties Ltd | Construction | 2025 |
| Woodstock Building and Property Services Ltd | Construction | 2019 |
| Woodstock Felt Roofing Limited | Construction | 1965 |
| Woodstock Roofing Limited | Extraterritorial | 2005 |
| WOP Limited Ltd | Hospitality | 2026 |
| Wordseed Limited | Information & communication | 2021 |
| Work in Progress Rare Books Limited | Wholesale & retail | 2014 |
| Workham Developments Limited | Construction | 1995 |
| Workham European Property Limited | Administrative & support | 2000 |
| Workham Properties Limited | Real estate | 1998 |
| Worths Motor Services Limited | Wholesale & retail | 1959 |
| Wowme Brand & Packaging Design Limited | Administrative & support | 2005 |
| Wren Equine Veterinary Services Ltd | Professional & scientific | 2026 |
| Wrendal Holdings Limited | Professional & scientific | 1959 |
| Wrendal Properties Limited | Extraterritorial | 1988 |