| Vedanta Advisory Limited | Administrative & support | 2000 |
| Ventura Prop Ltd | Real estate | 2025 |
| Vernpak Ltd | Information & communication | 2017 |
| Vickers Supermarine Ltd | Administrative & support | 2006 |
| Vinall Holdings Ltd | Financial services | 2016 |
| Virtual Subsidiary Partners LLP | | 2019 |
| Vision Specialist Consultants Limited | Information & communication | 2000 |
| Vizual EYE Ltd | Arts & recreation | 2001 |
| Vjpdcafe Ltd | Wholesale & retail | 2024 |
| Vpgts Technologies Ltd | Information & communication | 2018 |
| Vyaundier Limited | Hospitality | 2014 |
| W & S M Butler Limited | Professional & scientific | 2004 |
| W8 Estates Ltd | Real estate | 2020 |
| Walker Educational Publishing Limited | Information & communication | 2003 |
| Walnut Homes Limited | Real estate | 2001 |
| Waterbeds U.K. Ltd. | Manufacturing | 1990 |
| Wave Media Productions Ltd | Construction | 2025 |
| Wells Haven Ltd | Health & social care | 2024 |
| West 2 Limited | Professional & scientific | 2000 |
| Westbourne Vehicle Services Limited | Other services | 2007 |
| Westfield Leasing Limited | Financial services | 2003 |
| Whiskerdriftdesigns Ltd | Wholesale & retail | 2025 |
| Whiskertideresin Ltd | Wholesale & retail | 2025 |
| Whistlestop Cafe Limited | Professional & scientific | 2001 |
| White Lodge Care Home Limited | Health & social care | 2003 |
| Whitehill & Bordon Development Company Phase 1A Ltd | Construction | 2017 |
| Whites of London Ltd | Wholesale & retail | 2002 |
| Wicked Wheels (Reading) Limited | Wholesale & retail | 2002 |
| Wilde Spooner Raleigh Limited | Construction | 2002 |
| William S Cooper Financial Services Limited | Financial services | 1999 |
| Williams Letting Agency (Aylesbury) Limited | Real estate | 2007 |
| Willow Court Management Company (High Wycombe) Limited | Households | 1981 |
| Wilson Productions Limited | Arts & recreation | 2007 |
| Wimprop Limited | Hospitality | 2007 |
| WIN Cubed Limited | Professional & scientific | 1994 |
| Windsor Bathrooms Limited | | 1985 |
| Wingcom Limited | Real estate | 1999 |
| Winslow Plumbing & Heating Services Limited | Construction | 2003 |
| Winstrong Limited | Construction | 1986 |
| WIRED4LIFE Limited | Professional & scientific | 2007 |
| Wirral Construction Company Limited | Real estate | 1950 |
| Wisdom Ceramics Limited | Construction | 1999 |
| Witchert Heritage Consultancy Limited | Information & communication | 2008 |
| With Unity Limited | Extraterritorial | 2017 |
| Witney & Maguire Ltd | Construction | 2006 |
| Woodbine Close Property Management Ltd | Households | 2005 |
| Wooftidedecor Ltd | Wholesale & retail | 2025 |
| Wooftideornaments Ltd | Wholesale & retail | 2025 |
| Wooster Ltd. | Other services | 2002 |
| Worboys and Johnston Limited | Wholesale & retail | 1996 |
| Worboys Antique Restorers Limited | Other services | 2002 |
| Worksurface Solutions Limited | Professional & scientific | 2004 |
| Workwell Limited | Wholesale & retail | 1996 |
| Wrenside Management Company Limited | Households | 1976 |
| Writetax Ltd | Professional & scientific | 2003 |
| Wycombe Abbey Pension Trustees Limited | Financial services | 1999 |
| Wycombe Abbey Services Limited | Other services | 1990 |
| Xirot Productions Limited | Real estate | 1971 |
| XL Lettings Limited | Households | 2003 |
| Xyplan Ltd | Information & communication | 2007 |
| Yash Consultancy Limited | Information & communication | 2021 |
| Yervie Limited | Real estate | 2023 |
| Yipp-Ecom Limited | Wholesale & retail | 2022 |
| Your Print Solution Limited | Manufacturing | 2004 |
| Zarah Ahmed Limited | Health & social care | 2026 |
| Zito Limited | Professional & scientific | 2004 |
| ZN Medical Limited | Health & social care | 2023 |