| Wearn P Limited | Wholesale & retail | 2025 |
| Web Xcelerators Ltd | Information & communication | 2024 |
| Webhuntersite Ltd | Wholesale & retail | 2025 |
| Webocity Ltd | Professional & scientific | 2025 |
| Webuyanything.Com Ltd | Wholesale & retail | 2019 |
| Webuyyourland Limited | Real estate | 2025 |
| Weeds & Seeds Ltd | Administrative & support | 2020 |
| Well Life Physio Therapy Ltd | Health & social care | 2019 |
| Well Life Therapies CIC | Health & social care | 2026 |
| Well Versed Communications Group Limited | Professional & scientific | 2023 |
| Wellness Education Ltd | Health & social care | 2024 |
| Wembley House Ltd | Information & communication | 2024 |
| Werra Limited | Professional & scientific | 2024 |
| Wessex Strategic Limited | Real estate | 2018 |
| West Mead Carries Private Ltd Ltd. | Transport & logistics | 2026 |
| West Midlands FRY & FOG Ltd | Real estate | 2023 |
| West Midlands Property Empire Limited | Real estate | 2025 |
| West Midlands Recovery Services Limited | Manufacturing | 2010 |
| Westaf Grill&Lounge Limited | Hospitality | 2026 |
| Westfield Capital Limited | Real estate | 2024 |
| Westfield Leicester Ltd | Hospitality | 2025 |
| Westfield Leisure Ltd | Real estate | 2020 |
| Westfield Leisure Nottingham Ltd | Hospitality | 2026 |
| Westfield Leisure Sutton Ltd | Hospitality | 2024 |
| Westfield Scunthorpe Ltd | Real estate | 2024 |
| Westfield Sutton Holdings Ltd | Real estate | 2026 |
| Westfield Wolverhampton Ltd | Hospitality | 2025 |
| Westgate Logistics Ltd | Administrative & support | 2024 |
| Westlund Limited | Professional & scientific | 2015 |
| Westmead Ventures Limited | Real estate | 2021 |
| Westwood Consultancy Services Ltd | Professional & scientific | 2021 |
| Westwood FOX Ltd | Manufacturing | 2018 |
| Westwood Investment Group Ltd | Financial services | 2021 |
| Westwood Property Assets Ltd | Real estate | 2021 |
| Westwood Property Services Limited | Construction | 2011 |
| Wgrbs Pension Trustees Limited | Financial services | 2024 |
| Wheat Henry Limited | Hospitality | 2020 |
| Wheels Driving Academy Ltd | Education | 2013 |
| Whisson J Limited | Wholesale & retail | 2026 |
| White & Luckman Limited | Other services | 2014 |
| White Knight Consultancy Ltd | Information & communication | 2023 |
| White Turtle Agency Limited | Information & communication | 2024 |
| William & SON Funeral Directors Ltd | Other services | 2023 |
| Williamjng Ltd | Transport & logistics | 2025 |
| Williams Construction Services WM Limited | Construction | 2014 |
| Willis-Orthodontics Limited | Health & social care | 2018 |
| Willow Bathgate Limited | Construction | 2019 |
| Willow Steel Limited | Extraterritorial | 2019 |
| Window Warehouse West Midlands Ltd | Construction | 2024 |
| Wipex Limited | Manufacturing | 2002 |
| Wisdom Bridge Ltd | Information & communication | 2025 |
| Wish ME Luck Driving School Ltd | Education | 2025 |
| Witty Whale Holdings Limited | Financial services | 2026 |
| WIZ Solutions Limited | Wholesale & retail | 2025 |
| WK Construction Services Ltd | Construction | 2022 |
| WK Exterior Cleaning Ltd | Administrative & support | 2026 |
| WMK Project Ltd | Real estate | 2022 |
| Wojtas Ltd | Transport & logistics | 2016 |
| Wolthswoyce Ltd | Information & communication | 2026 |
| Wood Security Systems Ltd | Administrative & support | 2024 |
| Woolworths Express. COM Ltd | Wholesale & retail | 2020 |
| Wordsley Catering Ltd | Hospitality | 2024 |
| Workwear Uniform Group Limited | Wholesale & retail | 1995 |
| World Gaming Tech Limited | Administrative & support | 2008 |
| Worldview Inc. Ltd | Information & communication | 2021 |
| Worldwide Quality Mattresses Limited | Wholesale & retail | 2026 |
| Wrama Limited | Real estate | 2025 |
| Wright Projects Limited | Construction | 2021 |
| Wrightknight Design Limited | Professional & scientific | 2003 |
| WRS Healthcare Ltd | Financial services | 2026 |
| WST Commercials Limited | Wholesale & retail | 2012 |
| Wudi International Trading (UK) Co., Ltd | Wholesale & retail | 2021 |
| Wvrbrds Limited | Information & communication | 2018 |
| Www.Thephonebook.Uk Ltd | Information & communication | 2026 |
| Wyko Group Limited | Financial services | 1973 |
| Wyko Holdings Limited | Financial services | 1999 |
| Wyko International Limited | Financial services | 1997 |
| Wyko Investments Limited | Professional & scientific | 2000 |
| Wyko Overseas Holdings | Professional & scientific | 1986 |
| Wyko Realisations Limited | Professional & scientific | 1998 |
| Wyko UK Holdings Limited | Financial services | 2006 |
| Wyko WTT Limited | Professional & scientific | 1998 |
| Wyville Home Care Services Limited | Health & social care | 2019 |
| Xavier Developments Limited | Hospitality | 2005 |
| Xbytes Ltd | Information & communication | 2021 |
| Xinax Ltd | Extraterritorial | 2018 |
| Xinox Holdings Limited | Financial services | 2025 |
| XKM Ltd | Construction | 2025 |
| Xown Global Limited | Information & communication | 2026 |
| Xown Solutions Limited | Information & communication | 2023 |
| Xpress-Yourself Dance CIC | Health & social care | 2021 |
| Xtone Surfaces Ltd | Extraterritorial | 2023 |
| Xtreme Wholesale Limited | Wholesale & retail | 2010 |
| Y & BB Solutions Ltd | Wholesale & retail | 2021 |
| Y.M.E Training Limited | Education | 2020 |
| Yasir Mahmood Limited | Real estate | 2024 |
| Yeoldefoundry Limited | Hospitality | 2023 |
| YF3 Limited | Hospitality | 2026 |
| YFT Interiors Limited | Construction | 2020 |
| YGS Watch Ltd | Wholesale & retail | 2025 |