| Washed Away Ltd | Administrative & support | 2021 |
| Washington Property Development Limited | Real estate | 2022 |
| Waterfront Live Ltd | Hospitality | 2021 |
| Waters Property Group Ltd | Real estate | 2025 |
| Waterside Property Holdings Limited | Real estate | 2018 |
| Wayne Denton Associates Limited | Arts & recreation | 1996 |
| Wayne Denton Entertainments Limited | Arts & recreation | 2025 |
| WB Training Ltd | Education | 2023 |
| Wednesbury Car & Commercials Limited | Manufacturing | 1989 |
| Weld-Qual Services Investments Ltd | Professional & scientific | 2024 |
| Weld-Qual Services Limited | Professional & scientific | 2016 |
| Welin Lambie Limited | Manufacturing | 1989 |
| Welldenacre Ltd | Wholesale & retail | 2019 |
| WEM Tech Solutions Limited | Information & communication | 2013 |
| Wemtech Group Ltd | Information & communication | 2025 |
| West Midlands Fencing and Garden Supplies Limited | Construction | 2021 |
| West Midlands PUB Group Ltd | Hospitality | 2018 |
| West Midlands Summerhouses Limited | Construction | 2019 |
| West Park Court Maintenance Company (Wolverhampton) Limited | Households | 1973 |
| West Safety Ltd | Professional & scientific | 2013 |
| Westmids Scaffolding Ltd | Construction | 2026 |
| Weston Pools Limited | Arts & recreation | 2012 |
| Weston Pools Village Limited | Arts & recreation | 2014 |
| Weston Tackle Limited | Wholesale & retail | 2012 |
| Weston Village Clubhouse Limited | Hospitality | 2014 |
| Westwings Limited | Manufacturing | 2004 |
| Westwoods Trade Limited | Wholesale & retail | 2018 |
| WF15 Properties Limited | Real estate | 2024 |
| WH Legal Limited | Professional & scientific | 2018 |
| Wheeler Precision Limited | Wholesale & retail | 1980 |
| Whispers of Pegasus Limited | Professional & scientific | 2025 |
| Whit Rentals Ltd | Real estate | 2025 |
| White Pepper Kitchen Limited | Hospitality | 2025 |
| Whitehouse Electrical Solutions Limited | Construction | 2022 |
| Wicked Wheels (Midlands) Ltd | Extraterritorial | 2004 |
| Wightwick Developments Limited | Construction | 2012 |
| Wikibuild Limited | Construction | 2016 |
| Wild Earth Movement Limited | Professional & scientific | 2024 |
| Will Massive Vent Service Limited | Construction | 2012 |
| William Round (Transport) Limited | Transport & logistics | 1961 |
| Willow Tree Designs Ltd | Wholesale & retail | 2023 |
| Willpack Ltd | Manufacturing | 2004 |
| Willpower (Will Writers & Probate Advisers) Limited | Professional & scientific | 1994 |
| Willwin Property Limited | Real estate | 2025 |
| Winchester Coaching Academy Ltd | Arts & recreation | 2021 |
| Windmill Guest House Limited | Hospitality | 2026 |
| Windridge Estates Limited | Real estate | 2020 |
| Wisebuild Solutions Ltd | Construction | 2018 |
| Wiseway Services Ltd | Information & communication | 2024 |
| WJB Property Limited | Real estate | 2017 |
| WJB Trading Limited | Wholesale & retail | 2023 |
| Wjim Group Ltd | Financial services | 2023 |
| WKG Carpentry Limited | Construction | 2021 |
| Wolf Lion Limited | Wholesale & retail | 2022 |
| Wolverhampton Property Services (UK) Ltd | Real estate | 2014 |
| Wombourne Taxis Limited | Transport & logistics | 2017 |
| Wombourne Travel Ltd | Wholesale & retail | 2006 |
| Wood Yard West Midlands Limited | Construction | 2024 |
| Woodason Financial Services Limited | Financial services | 2023 |
| Woodcraft Joinery Limited | Construction | 1989 |
| Woodland Walk Limited | Real estate | 2022 |
| Woodrow Mercer Engineering Ltd | Administrative & support | 2022 |
| Woods Spuds and Buds Ltd | Wholesale & retail | 2022 |
| Woodstock Timber & Sons Ltd | Wholesale & retail | 2017 |
| Woolstone Ltd | Wholesale & retail | 2006 |
| Worcester City Women FC in the Community CIC | Education | 2025 |
| Worcester Property Management Limited | Real estate | 2018 |
| Worcester Student LET Limited | Real estate | 2020 |
| Worcestershire Woodworking Company Limited | Professional & scientific | 2000 |
| World of Snow Investment Holdings Limited | Financial services | 1989 |
| World of Windows Limited | Administrative & support | 2010 |
| WP Witty Properties Limited | Real estate | 2024 |
| Wrekin Eco Homes Limited | Construction | 2015 |
| Wright & SON Transport Ltd | Transport & logistics | 2024 |
| Xapptech Ltd | Wholesale & retail | 2017 |
| XTR Fitness Ltd | Arts & recreation | 2019 |
| Y & T Enterprises Ltd | Real estate | 2024 |
| Yangling Property Investment Limited | Real estate | 2022 |
| Yanzi Ltd | Real estate | 2025 |
| Yardley Close 1962 Limited | Extraterritorial | 2014 |
| Yellowbright Ltd | Information & communication | 2023 |
| YIP YAP Telecommunications Ltd | Information & communication | 2017 |
| YJG Logistics Limited | Transport & logistics | 2022 |
| Yoka YO Ltd | Wholesale & retail | 2015 |
| Your CRM Partner Ltd | Professional & scientific | 2025 |
| Yummy 849 Limited | Hospitality | 2025 |
| Z&I Restaurant Ltd | Hospitality | 2026 |
| Z-Tec Mobility Ltd | Wholesale & retail | 2019 |
| Zahra Essence Ltd | Wholesale & retail | 2026 |
| Zaildar Traders Ltd | Transport & logistics | 2025 |
| Zaildar Trades Ltd | Wholesale & retail | 2023 |
| Zamperini Properties Limited | Real estate | 2026 |
| Zathcare Ltd | Administrative & support | 2017 |
| Zeecafeco Ltd | Wholesale & retail | 2025 |
| Zenn Nails Spa Ltd | Other services | 2025 |
| Zephyr Permeation Ltd | Manufacturing | 2024 |
| Zero Charge Technologies Limited | Energy | 2022 |
| ZK Accounting Ltd | Professional & scientific | 2022 |
| ZK Accounting Solutions Ltd | Professional & scientific | 2020 |
| Zoaa Ltd | Information & communication | 2024 |