| Whiteheads Solicitors (Staffordshire) Limited | Professional & scientific | 2012 |
| Whitmore Leisure Holdings Limited | Financial services | 2017 |
| Whitmore Leisure Limited | Arts & recreation | 1986 |
| Whittaker Dental Practice Limited | Health & social care | 2012 |
| Whittakers (Staffordshire) Holdings Limited | Professional & scientific | 2017 |
| Wind Walkers UK Limited | Construction | 2025 |
| WJ North Limited | Construction | 1994 |
| WJ Vehicle and Plant Limited | Construction | 2023 |
| WM Catering Limited | Hospitality | 2017 |
| Wolstanton Golf Club Limited(The) | Arts & recreation | 1925 |
| World Freestyle Championships Limited | Administrative & support | 2015 |
| Worthington Goold Ltd | Real estate | 2025 |
| WS Leisure Investment Ltd | Arts & recreation | 2022 |
| WSS Welding Limited | Construction | 2020 |
| X Twenty Nine Limited | Professional & scientific | 2017 |
| X29 Holdings Ltd | Professional & scientific | 2025 |
| X9000.COM Consulting Services Limited | Information & communication | 2004 |
| Xcel Builders Limited | Construction | 2024 |
| Xero Bookkeeping Limited | Professional & scientific | 2017 |
| Xlplc Limited | Information & communication | 2012 |
| Yigit Kaan Ltd | Other services | 2022 |
| Ying LUN Newcastle Limited | Hospitality | 2025 |
| YOU & ME Co. Limited | Professional & scientific | 2025 |
| Ziadana Ltd | Health & social care | 2016 |
| Zizzio Ltd | Construction | 2018 |
| Zooplee Property Limited | Real estate | 2026 |
| Zusi Limited | Information & communication | 2014 |