| Walmley Trading AS Indian Chef Limited | Hospitality | 2026 |
| Walmsley Hammond (Rayleigh) Limited | Extraterritorial | 1975 |
| Walmsley Plastering Ltd | Construction | 2023 |
| Walsall & Cannock Toddler Sense Ltd | Education | 2022 |
| Walsall Gymnastics Centre Ltd | Arts & recreation | 2009 |
| Walsall Road Partnership Limited | Health & social care | 2012 |
| Walshcom Ltd | Professional & scientific | 2017 |
| Walters Wallis Limited | Professional & scientific | 2019 |
| Walther Developments Ltd | Construction | 2018 |
| Wanted Burgers Ltd | Hospitality | 2015 |
| Warburton Funerals Limited | Extraterritorial | 2006 |
| Wardall Hastilow Ltd | Financial services | 2021 |
| Wards Construction Services Ltd | Construction | 2024 |
| Warebrook Limited | Wholesale & retail | 2022 |
| Warehouse Fit OUT Group Limited | Financial services | 2021 |
| Warhurst Limited | Information & communication | 2022 |
| Warndon Fish Bar Limited | Hospitality | 2015 |
| Warren Bates Brickwork Limited | Construction | 2023 |
| Warrington Business Flats Ltd | Households | 2016 |
| Warwick Medical Group Ltd | Health & social care | 2025 |
| Warwick Property Company Ltd | Real estate | 2019 |
| Warwick Wealth Management Ltd | Financial services | 2012 |
| Wassun Ltd | Financial services | 2026 |
| Waste Collection Group Limited | Water & waste | 2019 |
| Wastewise Management Solutions Limited | Water & waste | 2005 |
| Waterplay Consultants Limited | Construction | 2024 |
| Watertite Products UK Limited | Financial services | 2026 |
| Wattis Group Ltd | Information & communication | 2020 |
| Watton Construction Limited | Construction | 1975 |
| Waves of Lutterworth Limited | Hospitality | 2014 |
| Way Ahead Properties Limited | Real estate | 2026 |
| Wayne Gove Electrical Limited | Energy | 2013 |
| Wazari Limited | Professional & scientific | 2023 |
| Wazsholly Properties UK Ltd | Construction | 2025 |
| WBB Accountancy Services Limited | Professional & scientific | 2025 |
| WBB Accountants Ltd | Professional & scientific | 2020 |
| WBC (Midlands) Limited | Administrative & support | 2013 |
| WBC (Walsall) Ltd | Administrative & support | 2019 |
| WD Innovation Ltd | Professional & scientific | 2023 |
| WD Property Ltd | Real estate | 2026 |
| WDC Property Solutions Ltd | Construction | 2017 |
| WDC Service Solutions Limited | Construction | 2011 |
| WDP Paintball Limited | Arts & recreation | 2003 |
| WE ARE Forcefield Limited | Arts & recreation | 2024 |
| WE ARE Harrison Ltd | Financial services | 2023 |
| WE ARE Showcase Ltd | Information & communication | 2022 |
| WE Make Sign Birmingham Ltd | Professional & scientific | 2018 |
| WE Move Sutton Coldfield Ltd | Transport & logistics | 2020 |
| WE Nutrition Limited | Health & social care | 2021 |
| Weaver Family Holdings Limited | Information & communication | 1998 |
| Web Approach Ltd | Information & communication | 2021 |
| Webasto Holdings Limited | Professional & scientific | 1991 |
| Webasto Pressworks Limited | Professional & scientific | 1983 |
| Webasto Roof Systems Ltd. | Manufacturing | 1991 |
| Webb Hotel Group Limited | Hospitality | 1998 |
| Webb Property Limited | Administrative & support | 1982 |
| Webby Drivers Transport Ltd | Transport & logistics | 2025 |
| Weeford Property Management Limited | Real estate | 2013 |
| Weelsby Building Company Limited | Real estate | 1957 |
| Welcome Traders (UK) Limited | Wholesale & retail | 2011 |
| Wellbeing Residential Ltd | Health & social care | 2005 |
| Wellbeing Residential Salford Limited | Health & social care | 2007 |
| Wellness by Resolve Limited | Health & social care | 2024 |
| Wellton Property Care Limited | Administrative & support | 2016 |
| Weloveused Limited | Wholesale & retail | 2022 |
| Wendy Woolfson Talent and PR Ltd | Professional & scientific | 2020 |
| Weplan Paraplanning Ltd | Financial services | 2025 |
| Wertie Investments Ltd | Real estate | 2022 |
| Wesmid (UK) Ltd | Other services | 2023 |
| West Bromwich Central Plating (Holdings) Limited | Extraterritorial | 1928 |
| West Haven Properties Limited | Real estate | 2024 |
| West Midlands Colorectal & General Surgery Services Limited | Health & social care | 2021 |
| West Midlands Construction Limited | Construction | 2022 |
| West Midlands Elderly Care Clinic Ltd | Health & social care | 2025 |
| West Midlands Environmental Services Limited | Administrative & support | 2016 |
| West Midlands Glass Ltd | Construction | 2017 |
| West Midlands Mortgage Centre Limited | Extraterritorial | 2016 |
| West Midlands Surveys Limited | Construction | 2006 |
| West Midlands Training Academy Limited | Education | 2014 |
| West Midlands Woodturners | Other services | 2015 |
| West Mids Rentals Ltd | Administrative & support | 2024 |
| West Park View Limited | Construction | 1983 |
| Westbay Real Estate Limited | Transport & logistics | 1991 |
| Westborne Properties Ltd | Real estate | 2022 |
| Westfold Consultants Ltd | Professional & scientific | 2019 |
| Westgrove Property Holdings Limited | Real estate | 2005 |
| Westinghall Consulting Ltd | Information & communication | 2008 |
| Westmark Capital Holdings Limited | Financial services | 2026 |
| Westmere Limited | Wholesale & retail | 2022 |
| Weston-Hayles Management Consultancy & Business Enterprises Ltd | Professional & scientific | 2014 |
| Westrip Holdings Limited | Mining & quarrying | 2002 |
| Westwood (Sutton Coldfield) Management Company Limited | Households | 2001 |
| Westwood Design & Refurbishment Ltd | Construction | 2018 |
| Westwood Electrical Supplies Ltd | Wholesale & retail | 2013 |
| Westwood Nexus Ltd | Professional & scientific | 2026 |
| Wethele Limited | Education | 2022 |
| Wetton Funeral Services Limited | Extraterritorial | 1980 |
| Weyburn Limited | Real estate | 2020 |
| Weymouth Limited | Health & social care | 2023 |
| WGR Electrical Services Ltd | Construction | 2020 |