| Velvet Pink Banana Ltd | Wholesale & retail | 2020 |
| Vice Capital Limited | Wholesale & retail | 2022 |
| Viewfinders Limited | Information & communication | 2005 |
| Villa Bianca Takeaway Ltd | Hospitality | 2026 |
| Vince Michael Limited | Other services | 2009 |
| Virtually Assist Limited | Real estate | 2014 |
| Volt Charge Solutions Ltd | Manufacturing | 2025 |
| Voryn Limited | Real estate | 2015 |
| Vuyo Limited | Health & social care | 2011 |
| W D Galleria Limited | Real estate | 1999 |
| W D Huddersfield Limited | Real estate | 1997 |
| W.S. Hughes & SON Limited | Real estate | 1952 |
| Walnut Close (Long Crendon) Residents Management Company Limited | Real estate | 1991 |
| Walnut HR Support Limited | Administrative & support | 2020 |
| Wamitrain Ltd | Education | 2021 |
| Wardhall Guards Ltd | Real estate | 2015 |
| Warren Events Services Limited | Professional & scientific | 2012 |
| Water Filtration Services Ltd | Water & waste | 2023 |
| Watergaw Technology Services Ltd | Information & communication | 2021 |
| Watts & Ohms Electrical Ltd | Construction | 2020 |
| WD Derby Limited | Real estate | 2011 |
| WD Kingsgate Limited | Real estate | 2006 |
| WD Limited | Real estate | 1996 |
| WD Outlet Management Limited | Real estate | 2015 |
| WD Venn Street Limited | Financial services | 2006 |
| Web Revolutions Ltd | Information & communication | 2023 |
| Websecom Limited | Extraterritorial | 1995 |
| Wendover Computers Limited | Information & communication | 2014 |
| Wendover Domain & Web Ltd | Information & communication | 2018 |
| Wentworth Watkins LLP | | 2021 |
| Westmead Plumbing & Heating Limited | Construction | 2003 |
| Westminster Construction Ltd | Construction | 2023 |
| Wheelrod Limited | Real estate | 1981 |
| Whisper Marketing Limited | Professional & scientific | 2017 |
| White (Reading Properties) Limited | Real estate | 1962 |
| White Sage Health & Beauty Limited | Other services | 2024 |
| Whiteleaf Golf Club,Limited(The) | Arts & recreation | 1924 |
| Whiteleaf Medical Aesthetics Ltd | Health & social care | 2021 |
| Whitewaters Cafe Limited | Hospitality | 2024 |
| Williams Court Management (Hazelmere) Limited | Households | 2012 |
| Willsbyrne Construction Landscaping Ltd | Administrative & support | 2024 |
| Wilson Family Law Ltd | Professional & scientific | 2018 |
| Wilsonboard Property Management Ltd | Real estate | 2018 |
| Windhill Property Company Limited | Real estate | 1987 |
| Wiser Living Limited | Administrative & support | 2021 |
| WLR Chalfont Property Ltd | Construction | 2021 |
| Wnye Consulting Ltd | Information & communication | 2025 |
| Wolfe Solutions Limited | Professional & scientific | 2014 |
| Woodbank Management Company (Loosley ROW) Limited | Households | 1995 |
| WTM Trade Supplies Ltd | Wholesale & retail | 2017 |
| Wyndham Services Limited | Construction | 2025 |
| Xlii Limited | Information & communication | 2017 |
| Yates Creative Ltd | Manufacturing | 2015 |
| Yeboah Automotive Limited | Wholesale & retail | 2023 |
| Yellowbat Ltd | Financial services | 2024 |
| Yoga for Healthy Lower Backs Ltd | Health & social care | 2012 |
| Your Cafe in the Park Limited | Hospitality | 2015 |
| Your Site 365 Ltd | Construction | 2025 |
| Zebracow Ltd | Information & communication | 2024 |
| Zirstar Ltd | Administrative & support | 2024 |
| ZOE Cartell Publicity Limited | Information & communication | 2009 |
| Zotu Ltd | Wholesale & retail | 2026 |
| Zulu Lights Limited | Arts & recreation | 2018 |
| Zurn (UK) Limited | Wholesale & retail | 2006 |
| Zurn Garford LLP | | 2018 |