| WPC Solutions Limited | Construction | 2017 |
| Wpchl Limited | Health & social care | 2005 |
| WR Zennest Creative Ltd | Professional & scientific | 2026 |
| WRC Travel Limited | Transport & logistics | 2011 |
| WRE Content Publishers Limited | Information & communication | 2025 |
| Wrekin Circuits International Limited | Administrative & support | 2004 |
| Wrekin View Management Company Limited | Real estate | 2010 |
| Wright Electrical Limited | Construction | 1995 |
| Wright Electrical Systems Limited | | 1985 |
| Wright Flava Ltd | Hospitality | 2026 |
| Wright Group Property Solutions Limited | Real estate | 2023 |
| Wrighton Property Group Limited | Real estate | 2024 |
| Wrightway Developments (Midlands) Limited | Construction | 2016 |
| Wrightway Property Investments Ltd | Extraterritorial | 2016 |
| Write House Content Studio Ltd | Professional & scientific | 2022 |
| Writhosant Ltd | Transport & logistics | 2021 |
| Wrmuir Limited | Manufacturing | 2025 |
| Wror Logistics Ltd | Wholesale & retail | 2026 |
| Wrottesley Care Limited | Health & social care | 2016 |
| Wrottesley Court Management Limited | Extraterritorial | 1988 |
| Wrottesley Hall Estates Limited | Real estate | 1957 |
| WS Housing Solutions CIC | Hospitality | 2026 |
| WSF C&P Ltd | Information & communication | 2018 |
| WSL Windows Limited | Construction | 2019 |
| WSR Solutions Limited | Wholesale & retail | 2026 |
| WSS Associates Contracting Ltd | Administrative & support | 2012 |
| WSS Associates Group Ltd | Financial services | 2025 |
| WSS Associates Limited | Administrative & support | 2003 |
| WSS Partners Limited | Administrative & support | 2021 |
| Wtech Pro Ltd | Wholesale & retail | 2026 |
| WTW TM Ltd | Construction | 2018 |
| Wuhe Group Ltd | Construction | 2025 |
| Wulfrun Building Solutions Limited | Construction | 1989 |
| Wulfrun Consulting Ltd | Professional & scientific | 2010 |
| Wulfrun Electrical Ltd | Construction | 2015 |
| Wulfrun Estates Limited | Real estate | 2024 |
| Wulfrun Practical Help Ltd | Transport & logistics | 2026 |
| Wulfrun Self Storage Ltd | Other services | 2022 |
| Wulfrun Specialised Fasteners Holdings Limited | Financial services | 2021 |
| Wulfruna Capital Holdings Ltd | Financial services | 2026 |
| Wulfruna Consulting Ltd | Information & communication | 2021 |
| Wulfruna Locksmith Limited | Administrative & support | 1976 |
| Wulfruna Real Estate Ltd | Construction | 2026 |
| Wulfruna Sparkle Ltd | Administrative & support | 2025 |
| Wunyem Company Ltd | Construction | 2023 |
| WV Computers Limited | Information & communication | 2021 |
| WV Holdings Wolverhampton Ltd | Real estate | 2025 |
| WV Lettings Ltd | Real estate | 2024 |
| WV Motor Company Ltd | Wholesale & retail | 2024 |
| WV Performance Ltd | Arts & recreation | 2025 |
| WV Rapid Reach Ltd | Transport & logistics | 2026 |
| WV Roofing Ltd | Construction | 2026 |
| WV Tracks Ltd | Transport & logistics | 2024 |
| WV1 Dental and Implant Clinic Limited | Health & social care | 2019 |
| WV1 Holdings Limited | Financial services | 2021 |
| WV1 Limited | Real estate | 2010 |
| WV14 Properties Ltd | Real estate | 2018 |
| WV2 Investments Ltd | Real estate | 2016 |
| WV2 Properties Ltd | Real estate | 2025 |
| WV3 Limited | Hospitality | 2024 |
| WV6 Internet Cafe Ltd | Other services | 2018 |
| WV6 Investments Ltd | Real estate | 2016 |
| Wvss Ltd | Wholesale & retail | 2021 |
| WW Farm Shop Limited | Wholesale & retail | 2021 |
| WWM Group Ltd | Construction | 2025 |
| WWP Seminars Limited | Health & social care | 2013 |
| Www.Flatliving.Co.Uk Ltd | Professional & scientific | 2008 |
| WWY Lukas Logistics Ltd | Transport & logistics | 2016 |
| Wychbold Limited | Real estate | 2014 |
| Wychbury Homes Limited | Construction | 2015 |
| Wycherleys Dental Practice Limited | Health & social care | 2011 |
| Wycoller Designs Ltd | Professional & scientific | 2011 |
| Wyerton Ltd | Manufacturing | 2012 |
| Wynn Medical Consulting Ltd | Education | 2023 |
| Wynn Property Holdings Ltd | Real estate | 2023 |
| Wynne Controls Ltd | Construction | 2024 |
| Wynton Limited | Wholesale & retail | 2023 |
| Wyre Forest Aquaculture Limited | Agriculture & fishing | 2014 |
| Wyre Forest Home Care Ltd | Health & social care | 2026 |
| Wyre Piddle Limited | Real estate | 2014 |
| Wysman Limited | Professional & scientific | 2009 |
| X L Electrical Wolverhampton Limited | Manufacturing | 2014 |
| X-Brand Stock Solutions Ltd | Wholesale & retail | 2016 |
| X-En LEE Limited | Health & social care | 2022 |
| X-Men Productions Ltd | Manufacturing | 2021 |
| X2 (UK) Limited | Transport & logistics | 2003 |
| X2 FLS Holdings Limited | Financial services | 2011 |
| X5 Properties Limited | Construction | 2007 |
| Xander Building Consultancy Ltd | Professional & scientific | 2020 |
| Xara Digitals Ltd | Wholesale & retail | 2026 |
| Xavex Solutions Ltd | Wholesale & retail | 2025 |
| XBK 2020 Ltd | Hospitality | 2021 |
| Xcapeplan Ltd | Wholesale & retail | 2017 |
| Xcel Autos Limited | Wholesale & retail | 2024 |
| Xclusive Care Homes Ltd | Health & social care | 2023 |
| Xclusive Futures Limited | Health & social care | 2025 |
| XEE Mart Ltd | Wholesale & retail | 2026 |
| Xelyre Ltd | Transport & logistics | 2019 |
| Xentara Ltd | Wholesale & retail | 2025 |
| Xenvix Ltd | Wholesale & retail | 2026 |