| What Group Ltd | Manufacturing | 2025 |
| What Plastics Ltd | Manufacturing | 2024 |
| Whateverville Limited | Arts & recreation | 2024 |
| Wheat Waffles Ltd | Information & communication | 2022 |
| Wheelhouse Media UK Limited | Information & communication | 2022 |
| White House Investco Limited | Real estate | 2009 |
| Whitehouse Money Ltd | Financial services | 2023 |
| Whites Utilities R & M Limited | Wholesale & retail | 2004 |
| Whitevoid Holdings Limited | Financial services | 2025 |
| Whitford Construction Limited | Construction | 2000 |
| Whiting Holdings Limited | Other services | 2019 |
| Whitlock Trade Limited | Wholesale & retail | 2026 |
| Whitmore Executive Estates Limited | Real estate | 2025 |
| Whitmore Interiors Limited | Professional & scientific | 2025 |
| Whittaker Property Limited | Construction | 2025 |
| Whittakers Eggs Ltd | Agriculture & fishing | 2016 |
| Wicketts Limited | Wholesale & retail | 2024 |
| Wide Acre Properties Ltd | Real estate | 2023 |
| Wildcat Consulting Services Limited | Professional & scientific | 2020 |
| Wildcat Investments Limited | Real estate | 2019 |
| Wildfire Internet Ltd | Information & communication | 2008 |
| Wildmoor Property Services Limited | Real estate | 2013 |
| Wildstride K9 Ltd | Other services | 2026 |
| Will Parker Property Ltd | Real estate | 2024 |
| William & Co Estates Limited | Real estate | 2024 |
| William Firth & SON Limited | Wholesale & retail | 1997 |
| William Lynch Logistics Limited | Administrative & support | 2016 |
| Williams Interior Projects Ltd | Professional & scientific | 2025 |
| Willow Court Droitwich Limited | Households | 2017 |
| Willow Financial Limited | Professional & scientific | 2016 |
| Willow Live in Care Ltd | Administrative & support | 2026 |
| Willow Tools Limited | Wholesale & retail | 2020 |
| Willow Tree School Ltd | Education | 2026 |
| Wilsonfire Ltd | Public administration | 2023 |
| Wilsonhgroup Limited | Construction | 2026 |
| Winchendon Group Ltd | Financial services | 2019 |
| Windbloom Limited | Wholesale & retail | 2025 |
| Windley Properties Limited | Real estate | 1950 |
| Windsor & SON Ltd | Construction | 2026 |
| Winflux Entertainment Limited | Administrative & support | 2025 |
| Wingit Productions | Arts & recreation | 1997 |
| Wink Cars Limited | Wholesale & retail | 2023 |
| Winterbourne House (Management Company) Limited | Households | 2007 |
| Winterfold Developments Ltd | Construction | 2025 |
| Wipp Productions Ltd | Information & communication | 2021 |
| Wired by BLH Electrical Ltd | Construction | 2018 |
| Wishmoor Limited | Health & social care | 2005 |
| Withy Engineering Limited | Wholesale & retail | 2003 |
| Withypools Renewables Limited | Energy | 2019 |
| Wittsend Holdings Limited | Professional & scientific | 2020 |
| Wizarding Wonders Ltd | Wholesale & retail | 2018 |
| WK Grocery Shop Ltd | Wholesale & retail | 2025 |
| WLF Capital Ltd | Real estate | 2022 |
| Wlhealth Ltd | Health & social care | 2023 |
| WMP Holdings Limited | Professional & scientific | 2005 |
| Wmss Retail Ltd | Wholesale & retail | 2024 |
| WO Services Ltd | Construction | 2023 |
| Woldmark Limited | Wholesale & retail | 2026 |
| Wolf & Star Limited | Arts & recreation | 2023 |
| Wolfcub Productions Limited | Information & communication | 2023 |
| Wolfscrown Limited | Wholesale & retail | 2021 |
| Wolfshade Limited | Wholesale & retail | 2026 |
| Woliters Limited | Construction | 2019 |
| Wolverhampton Gymnastics Club Ltd | Arts & recreation | 2026 |
| Wong's (Bromsgrove) Ltd | Hospitality | 2020 |
| Wood END House Management Limited | Hospitality | 1996 |
| Woodcote Brewing Company Limited | Manufacturing | 2015 |
| Woodfield (Bromsgrove) Limited | Construction | 2008 |
| Woodgate Property Limited | Real estate | 2020 |
| Woodhall Grange Farm Limited | Real estate | 2025 |
| Woodhaven Properties Limited | Real estate | 2025 |
| Woodhull Roofing Limited | Construction | 1971 |
| Woodkeefe Carpentry Limited | Manufacturing | 2010 |
| Woodland Contractors Limited | Construction | 1998 |
| Woodland House Private Day Nursery Limited | Education | 2012 |
| Woodner Properties Limited | Real estate | 2026 |
| Woods Hair Limited | Other services | 2007 |
| Woodthorpe Property Group Ltd | Real estate | 2026 |
| Woodward Rural Ltd | Manufacturing | 2025 |
| Woodyard Garage Bromsgrove Limited | Wholesale & retail | 2024 |
| Worcester Bearings & Engineering Services Limited | Wholesale & retail | 2009 |
| Worcester Fleet Management Ltd | Transport & logistics | 2020 |
| Worcester Haulage & Logistics Limited | Transport & logistics | 2012 |
| Worcester Lane Limited | Real estate | 2004 |
| Worcester Road Car and Van Sales Ltd | Wholesale & retail | 2026 |
| Worcester Road Car Care Ltd | Wholesale & retail | 2025 |
| Worcester Transport Services Ltd | Transport & logistics | 2024 |
| Worcestershire Hospices Lottery Limited | Arts & recreation | 1998 |
| Worcestershire Medal Service Limited | Manufacturing | 1997 |
| Worcestershire Rentals Ltd | Real estate | 2020 |
| Worcestershire Science Tuition Limited | Education | 2012 |
| Worcestershire Tile and Stone Limited | Construction | 2024 |
| Working Futures Ltd | Information & communication | 2019 |
| Workshop Pictures Limited | Arts & recreation | 2019 |
| World Hydrogen Ltd | Manufacturing | 2025 |
| World of Weave UK Limited | Construction | 2014 |
| Worldwide Electronic Monitoring Limited | Professional & scientific | 2014 |
| Worldwide Production Agency UK Limited | Arts & recreation | 2015 |
| Worlifts (Holdings) Limited | Financial services | 2022 |
| Worlifts Limited | Manufacturing | 1976 |