| Wellington Road Development Limited | Construction | 2019 |
| Wellington Space and Storage Limited | Real estate | 1997 |
| Wellmart Grocers Ltd | Wholesale & retail | 2026 |
| Wells of Stafford Group Ltd | Manufacturing | 2021 |
| WEM Carton Company Ltd. | Administrative & support | 2005 |
| WEM MOT Ltd | Wholesale & retail | 2018 |
| Wemma Ltd | Other services | 2019 |
| WEN Game Ltd | Information & communication | 2024 |
| Wenlock Edge Caravan & Camping Ltd | Hospitality | 2022 |
| Wenlock Health and Safety Limited | Administrative & support | 2002 |
| Wenlock Systems Ltd | Manufacturing | 2022 |
| Wenlou Ltd | Other services | 2019 |
| Wentworth Community Care Ltd | Health & social care | 2018 |
| Wentworth Lodge Residential Care Home Limited | Health & social care | 2013 |
| Wertam Ltd | Other services | 2019 |
| West London Invest 2026 Ltd | Real estate | 2026 |
| West Midlands Business Coaching Ltd | Administrative & support | 2016 |
| West Midlands Childrens Theatre (Touring) Limited | Arts & recreation | 1985 |
| West Midlands Multi Skilled Ltd | Construction | 2017 |
| West Wrekin Construction & Landscaping Limited | Construction | 2025 |
| Westbridge Property Partners Ltd | Real estate | 2025 |
| Westbrook Residential Ltd | Real estate | 2025 |
| Westbury Environmental Holdings Limited | Financial services | 2026 |
| Westbury Environmental Limited | Professional & scientific | 2013 |
| Westerlo Ltd | Other services | 2019 |
| Westmorland Projects Limited | Professional & scientific | 2017 |
| Weston Manor Ltd | Real estate | 2026 |
| Weston Motors Telford Ltd | Wholesale & retail | 2020 |
| Weston Sawmill Ltd | Wholesale & retail | 2026 |
| Westry Healthcare Ltd | Health & social care | 2019 |
| WET Floor Accounting LLP | | 2025 |
| Wethnk CIC | Education | 2020 |
| WGM Services Ltd | Transport & logistics | 2017 |
| WH Motor Spares Limited | Wholesale & retail | 2026 |
| Wheatland Property Investment Ltd | Real estate | 2017 |
| Wheatys Electrical Ltd | Construction | 2025 |
| Wheeler Dealer Motors Limited | Wholesale & retail | 2026 |
| Wheeler White Ltd | Administrative & support | 2003 |
| Wheels on the Move Ltd | Wholesale & retail | 2025 |
| Whitaker & Sons Properties Ltd | Real estate | 2025 |
| Whitchurch Tyre Company Limited(The) | Wholesale & retail | 1972 |
| White Feather Records Limited | Information & communication | 2019 |
| White Isle Enterprise Ltd | Wholesale & retail | 2022 |
| White Line (Telford) Limited | Administrative & support | 1985 |
| White Swan Hospitality Ltd | Real estate | 2024 |
| Whiteheads Builders Limited | Construction | 2008 |
| Whitehouse Sales and Lettings Ltd | Real estate | 2021 |
| Whiting Infrastructure Technologies Ltd | Information & communication | 2014 |
| Whittan Group Limited | Professional & scientific | 2015 |
| Whittan Industrial Limited | Manufacturing | 2002 |
| Whittan Intermediate Limited | Professional & scientific | 2005 |
| Whittan Midco Limited | Professional & scientific | 2015 |
| Whittan Overseas Limited | Manufacturing | 2002 |
| Whittan Storage Systems Limited | Professional & scientific | 2015 |
| Wholesale Glass & Glazing Ltd | Construction | 2022 |
| WI Transport Limited | Transport & logistics | 2024 |
| Wicky Wombat Ltd | Real estate | 2019 |
| Wieslaw Smart Repairs Ltd | Wholesale & retail | 2016 |
| Wiggins Lockett Thompson Limited | Professional & scientific | 2013 |
| Wigley & Timbrell Homes Limited | Real estate | 2024 |
| WII Care Limited | Administrative & support | 2025 |
| Wikisid Ltd | Other services | 2019 |
| Wikisto Ltd | Other services | 2019 |
| Wild Moor Carpentry Limited | Construction | 2020 |
| Wild Survivor Ltd | Arts & recreation | 2016 |
| Wildlife Live Ltd | Hospitality | 2018 |
| Wildman Brewing Company Ltd | Wholesale & retail | 2019 |
| Wildman Group Limited | Financial services | 2025 |
| Wilgolz Ltd | Mining & quarrying | 2013 |
| Wilhelm Kind Ltd | Manufacturing | 2021 |
| Will & Trust Services Ltd | Financial services | 2006 |
| Will Shakespeare PGA Professional Limited | Arts & recreation | 2014 |
| Willc Medical Supplies Limited | Wholesale & retail | 2023 |
| William Beckett Plastics Limited | Manufacturing | 1977 |
| William Richards Events Limited | Hospitality | 2023 |
| William Richards Group Limited | Financial services | 2023 |
| William Richards Sash Windows Ltd | Construction | 2020 |
| Williams & Dixon Funeral Directors & Stone Masons Limited | Other services | 2024 |
| Williams Automation Group Ltd | Information & communication | 2026 |
| Williams Automation Ltd | Professional & scientific | 2025 |
| Williams Funerals (Telford) Limited | Other services | 1999 |
| Williams Global Solutions Ltd | Wholesale & retail | 2022 |
| Williams Limousine Hire Limited | Transport & logistics | 1999 |
| Williams Properties (Telford) Limited | Professional & scientific | 2007 |
| Williams Properties Group Ltd | Real estate | 2025 |
| Williamson Property Developments Ltd | Construction | 2022 |
| Willis European Limited | Administrative & support | 2004 |
| Willmckinven Limited | Transport & logistics | 2025 |
| Willow Training Solutions Ltd | Public administration | 2018 |
| Willston Investments Ltd | Construction | 2025 |
| Wilson's Estate (Marton) Limited | Real estate | 2022 |
| Wilsons Auctions Maidstone Limited | Wholesale & retail | 1990 |
| Wilsons Transport Ltd | Transport & logistics | 2019 |
| Wiltshire Ventures Ltd | Real estate | 2023 |
| Wilwright Electrical Contractors Ltd | Construction | 1997 |
| WIN Healthcare Limited | Health & social care | 2022 |
| WIN Property Investments Ltd | Real estate | 2016 |
| Window Cleaning by James Ltd | Administrative & support | 2021 |
| Windows and Doors 2 YOU Limited | Wholesale & retail | 2018 |
| Windows Holdings Limited | Professional & scientific | 2006 |