| Vantage Health Limited | Health & social care | 2023 |
| Vantage Resource Hub Ltd | Information & communication | 2026 |
| Vena Property Ltd | Real estate | 2021 |
| Verde Search Limited | Administrative & support | 2025 |
| Verve Care Limited | Health & social care | 2023 |
| Veterus Business Growth Ltd | Professional & scientific | 2020 |
| Vicky Martin Method Ltd | Other services | 2019 |
| Vigilant Risk Ltd | Administrative & support | 2026 |
| Vintage LR Co Ltd | Wholesale & retail | 2017 |
| Viola Bidco Limited | Administrative & support | 2017 |
| Viola Holdco Limited | Administrative & support | 2017 |
| Viola Midco Limited | Administrative & support | 2017 |
| Virtual Management Services Ltd | Professional & scientific | 2019 |
| Virtually Anything Ltd | Administrative & support | 2011 |
| Visa & Immigration Partners Ltd | Professional & scientific | 2024 |
| Vision Berkshire Ltd | Real estate | 2004 |
| Visualise Maths Ltd | Education | 2026 |
| Visualise Travel Ltd | Administrative & support | 2019 |
| VPN Solutions Co Limited | Information & communication | 2013 |
| Vsst Limited | Administrative & support | 2016 |
| VYSION2020 Ltd | Professional & scientific | 2020 |
| W17 Limited | Wholesale & retail | 2025 |
| Wadge Gordon Ltd | Construction | 2024 |
| Wadsworth Consulting Limited | Information & communication | 2010 |
| Wailes Limited | Professional & scientific | 2019 |
| Wallingford Arcade Ltd | Manufacturing | 2022 |
| Wallins Estate Limited | Real estate | 2025 |
| Warm Voices Ltd | Information & communication | 2025 |
| Warrantaid Ltd | Information & communication | 2025 |
| Warrington Group Limited | Administrative & support | 2020 |
| Watts With the Delivery Limited | Transport & logistics | 2005 |
| Wcpt Trading Limited | Information & communication | 2012 |
| WD Warmth Limited | Construction | 2021 |
| WE66S Ltd | Professional & scientific | 2021 |
| Weavaway Travel Group Ltd | Transport & logistics | 2007 |
| Weavaway Travel Limited | Transport & logistics | 2007 |
| Weaving’S Ltd | Administrative & support | 2025 |
| Webbs Electrical Ltd | Construction | 2023 |
| Weconnect Direct Limited | Wholesale & retail | 2018 |
| Weezetech Ltd | Professional & scientific | 2020 |
| Well Mart Ltd | Hospitality | 2016 |
| Wellhouse Barns (Hermitage) Management Company Limited | Administrative & support | 2009 |
| Wellingtonia Drive (Thatcham) Management Limited | Real estate | 2020 |
| Wells & Wood Limited | Information & communication | 2012 |
| Wenvoe Ltd | Professional & scientific | 2008 |
| Weonmedia Ltd | Information & communication | 2019 |
| West Berkshire Activities for Children Limited | Education | 2018 |
| West Berkshire Flooring Ltd | Construction | 2025 |
| West Berkshire Foot Clinic Limited | Health & social care | 2021 |
| West Berkshire Logistics Ltd | Transport & logistics | 2024 |
| West Berkshire Roastery Ltd | Manufacturing | 2018 |
| West Berkshire Safety Management Limited | Professional & scientific | 2013 |
| West Berkshire Seafoods Limited | Wholesale & retail | 2006 |
| West Berkshire Tradings Ltd | Wholesale & retail | 2020 |
| Westend Lofts Limited | Real estate | 2001 |
| Wevyr Limited | Information & communication | 2025 |
| Weybridge Accountancy Solutions Ltd | Professional & scientific | 2012 |
| Wharf Side Mews Management Company Limited | Households | 2017 |
| White House Secretaries Limited | Professional & scientific | 1992 |
| White Spoon Limited | Hospitality | 2014 |
| White Wizard Consulting Limited | Information & communication | 2017 |
| Whybrow Court Limited | Extraterritorial | 2004 |
| Wightwater Accountants Limited | Professional & scientific | 2001 |
| Williams Brothers Groundworks Ltd | Administrative & support | 2019 |
| Willis & Ainsworth Ltd | Construction | 2011 |
| Willow & Blooms (Newbury) Ltd | Wholesale & retail | 2016 |
| Wilroc Ltd | Construction | 2022 |
| Wilson & Scott (Highways) Limited | Construction | 1952 |
| Wiltshire (Bristol) Limited | Professional & scientific | 1991 |
| Win-Wireless Limited | Information & communication | 2025 |
| Winborn Consultancy Limited | Professional & scientific | 2012 |
| Windrush Estates Ltd | Real estate | 2002 |
| Winning Within Ltd | Education | 2019 |
| Wireless Intelligent Networking Limited | Information & communication | 2006 |
| Wisley Aviation Ltd | Wholesale & retail | 2023 |
| Wiya Limited | Information & communication | 2013 |
| World Lifestyle Business Limited | Real estate | 2016 |
| Worldview Investments Limited | Professional & scientific | 1997 |
| Worthful Limited | Professional & scientific | 2021 |
| Worthrise Properties Limited | Real estate | 1965 |
| Wqids Ltd | Professional & scientific | 2026 |
| WS Mortgages Limited | Financial services | 2024 |
| Xiims Ltd | Information & communication | 2012 |
| XP Kids Ltd | Health & social care | 2019 |
| Xtrac Group Limited | Manufacturing | 1996 |
| Xtrac Limited | Manufacturing | 1984 |
| Xtrac Transmissions (Holdings) Limited | Manufacturing | 2014 |
| Yamata Solutions Group Ltd | Professional & scientific | 2024 |
| Yattendon Pension Trustees Limited | Extraterritorial | 1988 |
| Yeading Football and Athletic Club Limited | Arts & recreation | 1984 |
| Yewlea Properties Limited | Real estate | 2020 |
| YG (Torbay) Limited | Construction | 2009 |
| YG Developments Limited | Professional & scientific | 1987 |
| York Advisors Limited | Professional & scientific | 2018 |
| Youth FM Limited | Information & communication | 1998 |
| YSP Estate Ltd | Real estate | 2024 |
| YUL - Painting - Decorating Ltd | Construction | 2020 |
| Yunis Parcel Ltd | Transport & logistics | 2025 |
| Z Auto Ltd | Education | 2018 |
| Zamco Consulting Limited | Professional & scientific | 2012 |