| Windy Oak Barns Management Ltd | Households | 2023 |
| Windy Oak Developments Limited | Real estate | 2021 |
| Windy Oak Property Management Ltd | Real estate | 2023 |
| Windy Wrekin Limited | Real estate | 2015 |
| Winspear Limited | Administrative & support | 2016 |
| Winter Developments Ltd | Real estate | 2021 |
| Wired and Wireless Solutions Ltd | Information & communication | 2019 |
| Wiring Works Limited | Construction | 2011 |
| Wise Property Improvements Ltd | Real estate | 2025 |
| Wiseguys Protection Ltd | Other services | 2014 |
| Wisp IT Limited | Information & communication | 2020 |
| WJK Groundworks Ltd | Construction | 2024 |
| WK Timber Ltd | Manufacturing | 2023 |
| Wlpub Limited | Hospitality | 2024 |
| Wm.Addison(Newport)Limited | Wholesale & retail | 1961 |
| WMA Healthcare Ltd | Public administration | 2023 |
| WMB Law Limited | Professional & scientific | 2005 |
| WMB Property Ltd | Administrative & support | 2019 |
| Wolex IT Network R.T.W Limited | Information & communication | 2011 |
| Wolf Design Consultants Limited | Professional & scientific | 2014 |
| Wolfe Bishop Limited | Professional & scientific | 2023 |
| Wolfridge Building Ltd | Construction | 2025 |
| Wolfstone Property Ltd | Real estate | 2025 |
| Wolkem Ltd | Health & social care | 2014 |
| Wollemi Holdings Ltd | Financial services | 2024 |
| Wollemi Machines Ltd | Manufacturing | 2025 |
| Wolverhampton & District Model Engineering Society Limited | Arts & recreation | 1998 |
| Wolverson Fitness Limited | Manufacturing | 2014 |
| Wombourne Community Nursery Ltd | Education | 2024 |
| Women's Health Midlands Limited | Administrative & support | 2017 |
| Wonderful Changes Ltd | Wholesale & retail | 2026 |
| Wondersteve Limited | Health & social care | 2023 |
| Wood Construction Group Ltd | Construction | 2026 |
| Woodhall Solutions Limited | Manufacturing | 2025 |
| Woodhall Support Services Ltd | Health & social care | 2018 |
| Woodhouse Accountancy Ltd | Professional & scientific | 2023 |
| Woodhouse Livery Stables Limited | Agriculture & fishing | 2002 |
| Woodland Roots Ltd | Other services | 2024 |
| Woodland Specialist Care Ltd | Health & social care | 2023 |
| Woodlands Accounting Limited | Financial services | 2014 |
| Woofwoofz Limited | Wholesale & retail | 2023 |
| Woolpack Chilham Ltd | Hospitality | 2020 |
| Worcestershire Sand & Gravel Company Limited | Professional & scientific | 2007 |
| Worfe Consulting Limited | Real estate | 2001 |
| Workerverse Ltd | Information & communication | 2023 |
| Workplan Limited | Administrative & support | 2014 |
| World Detailing Ltd | Wholesale & retail | 2020 |
| World Rubber (Products) Limited | Professional & scientific | 2004 |
| World Vision Strategies Limited | Financial services | 2012 |
| Worldcom Recruitment Ltd | Administrative & support | 2016 |
| Worldcom Resourcing Ltd | Administrative & support | 2026 |
| Worldmobile Limited | Wholesale & retail | 1990 |
| Worldnet Engineering Ltd | Extraterritorial | 2007 |
| Wotsit Design Limited | Professional & scientific | 2012 |
| Wozencroft Design and Print Limited | Manufacturing | 2017 |
| WP and A&Jp Ltd | Administrative & support | 2011 |
| Wrap City UK Ltd | Wholesale & retail | 2026 |
| Wreg Limited | Health & social care | 2015 |
| Wrekin Accountancy Limited | Financial services | 2020 |
| Wrekin Barbell Limited | Other services | 2019 |
| Wrekin Car Wash Ltd | Other services | 2024 |
| Wrekin Care Ltd | Construction | 2018 |
| Wrekin Circuits Limited | Administrative & support | 1990 |
| Wrekin Concrete Products Limited | Manufacturing | 2012 |
| Wrekin DCS Ltd | Health & social care | 2022 |
| Wrekin Drain Services Ltd | Water & waste | 2012 |
| Wrekin Driveway Solutions Ltd | Construction | 2025 |
| Wrekin Electrical Services Ltd | Construction | 2015 |
| Wrekin Estates Limited | Real estate | 2023 |
| Wrekin Feet Ltd | Health & social care | 2015 |
| Wrekin Finance Company Limited | Real estate | 1959 |
| Wrekin Forest School and Events Ltd | Education | 2018 |
| Wrekin Forest School CIC | Education | 2019 |
| Wrekin Garden Machinery Limited | Manufacturing | 2014 |
| Wrekin GAS & Heating Ltd | Construction | 2023 |
| Wrekin Golf Club Trading Company Limited | Administrative & support | 2024 |
| Wrekin Heating Ltd | Construction | 2020 |
| Wrekin Homes Ltd | Real estate | 2025 |
| Wrekin House Limited | Real estate | 2019 |
| Wrekin Landlord Services Limited | Administrative & support | 2015 |
| Wrekin Masonic Association Limited | Professional & scientific | 1968 |
| Wrekin Pipeline Supplies Limited | Transport & logistics | 2001 |
| Wrekin Pneumatics (Telford) Limited | Wholesale & retail | 1971 |
| Wrekin Properties Ltd | Real estate | 2022 |
| Wrekin Sheet Metal Ltd | Manufacturing | 2003 |
| Wrekin Shell Mouldings Limited | Manufacturing | 1992 |
| Wrekin Spirit Limited | Manufacturing | 2018 |
| Wrekin Super Store Private Limited | Wholesale & retail | 2025 |
| Wrekin Trading Limited | Education | 2000 |
| Wrekin Tree Consultancy Limited | Professional & scientific | 2023 |
| Wrekin Vehicle Management Limited | Wholesale & retail | 2010 |
| Wrekin Whiskies Limited | Wholesale & retail | 2016 |
| Wrekin Windscreens Ltd | Wholesale & retail | 2026 |
| Wrexon Limited | Real estate | 2005 |
| Wright Crane Services Ltd | Wholesale & retail | 2022 |
| Wright HR Ltd | Administrative & support | 2025 |
| Wrights Investment Management Limited | Real estate | 2012 |
| Wrock Property Limited | Real estate | 2013 |
| WS Building Services (Shropshire) Ltd | Construction | 2015 |
| Wurkplace Wellbeing Limited | Administrative & support | 2018 |