| William Timmins & SON Limited | Professional & scientific | 1951 |
| Williams & Sons Property Investments Ltd | Real estate | 2024 |
| Williams Properties 86 Limited | Real estate | 2020 |
| Wills for ALL Limited | Professional & scientific | 2000 |
| Wills Utilities Ltd | Construction | 2013 |
| Wilsons BBQ Ltd | Hospitality | 2024 |
| Wiltshire Properties Ltd | Real estate | 2026 |
| Wincore Ltd | Wholesale & retail | 2020 |
| Windmill Kitchen Installations Ltd | Construction | 2022 |
| Windmill Rise (Wall Heath) Management Company Limited | Real estate | 2012 |
| Winford Cat Limited | Hospitality | 2026 |
| Winford Ltd | Real estate | 2023 |
| Winkworth Manufacturing Ltd | Professional & scientific | 2026 |
| Winnipops Ltd | Wholesale & retail | 2020 |
| Winter Rounds Ltd | Wholesale & retail | 2025 |
| Wise Fabrication Ltd | Extraterritorial | 2021 |
| Wittenborg UK Limited | Hospitality | 1953 |
| Wizard Design and Build Limited | Construction | 2016 |
| WLV Plumbing & Heating Ltd | Construction | 2021 |
| WM Energy Solutions Ltd | Construction | 2021 |
| WMR Investments Ltd | Real estate | 2016 |
| Wolfgang International Holdings Limited | Financial services | 2025 |
| Wombourne Builders Limited | Construction | 2013 |
| Woodhouse Court Residents Ltd | Real estate | 2001 |
| Woodlands Trees & Landscapes Ltd | Administrative & support | 2026 |
| Woodshire Timber Products Limited | Wholesale & retail | 2023 |
| Woodville Holdings Limited | Professional & scientific | 2016 |
| Woolley & Harris Independent Financial Advisors Limited | Professional & scientific | 2009 |
| Worcester Carsales (Holdings) Limited | Real estate | 2008 |
| Worcester Carsales Limited | Wholesale & retail | 1957 |
| Worcestershire Chemicals Limited | Wholesale & retail | 2012 |
| Worcestershire Polish Association Community Interest Company | Professional & scientific | 2019 |
| Word of Mouth Events Limited | Arts & recreation | 2023 |
| Wordsley Court Residents Association Limited | Administrative & support | 2005 |
| Wordsley Green Eyecare Ltd | Health & social care | 2015 |
| Wordsley Memorials Limited | Other services | 2014 |
| Wordsley Memorials Stonemasons Ltd | Manufacturing | 2020 |
| Worth Gardening Limited | Other services | 2011 |
| Worton Tech Ltd | Information & communication | 2014 |
| Wright Property Services Limited | Real estate | 2026 |
| Wrightway Support Solutions Ltd | Health & social care | 2020 |
| Written by Rebecca Ltd | Information & communication | 2022 |
| WSF Property Limited | Real estate | 2024 |
| Wyko Tire Technology (UK) Ltd | Manufacturing | 2011 |
| X12 Batteries and Tyres Limited | Wholesale & retail | 2022 |
| Yanni's New York Deli Ltd | Hospitality | 2026 |
| Yesilgoz Legal Consultants Ltd | Professional & scientific | 2025 |
| Yolo Leisure Services Ltd | Financial services | 2023 |
| Your PA Limited | Administrative & support | 2023 |
| Yummy Yum's Chinese Takeaway Limited | Hospitality | 2007 |
| Zaha Estates Limited | Real estate | 2019 |
| Zeal Facilities Management Ltd | Administrative & support | 2026 |
| Zingaz Cuisine Limited | Hospitality | 2024 |
| Zorygate Ltd | Administrative & support | 2024 |
| ZSL Properties Ltd | Real estate | 2026 |
| ZTG Midlands Ltd | Information & communication | 2025 |
| Zubalustrade Limited | Administrative & support | 2016 |
| Zuri Jewellery Ltd | Manufacturing | 2023 |
| Zynera Group Ltd | Wholesale & retail | 2023 |