| Tilston Consulting Limited | Extraterritorial | 2011 |
| Tilston Holdings Ltd | Financial services | 2021 |
| TLR Interpreting Services Limited | Professional & scientific | 2025 |
| TM Consulting (IT) Limited | Information & communication | 2009 |
| Total Building Solutions Property Development Ltd | Construction | 2021 |
| Tranquillity Malpas Ltd | Health & social care | 2021 |
| Trevanion Auctioneers & Valuers LLP | | 2014 |
| Trevanion Auctioneers Ltd | Extraterritorial | 2023 |
| TTH IT Servco Limited | Professional & scientific | 2026 |
| Tyacke Property Limited | Real estate | 2022 |
| Unii Ltd | Real estate | 2019 |
| Unlocking U Consulting Ltd | Administrative & support | 2024 |
| Unlockingu People Ltd | Administrative & support | 2025 |
| Urban Colour Architects Ltd | Professional & scientific | 2023 |
| V&A Partners Ltd | Information & communication | 2025 |
| Vehicle Solutions North West Ltd | Manufacturing | 2020 |
| Warrington Glass Ltd | Construction | 2022 |
| Well Street Malpas Management Company Limited | Households | 1996 |
| West END (Malpas) Management Company Limited | Other services | 2015 |
| Westrip Ltd | Information & communication | 2020 |
| Wigland Medical Limited | Health & social care | 2022 |
| Wigland Oak Construction Limited | Construction | 2026 |
| Wigland Property Limited | Real estate | 2024 |
| Wilcox@Edgemere Limited | Wholesale & retail | 2012 |
| Wild Jungle Cosmetics Ltd | Manufacturing | 2021 |
| William Corbett (Corn Merchants) Limited | Real estate | 1957 |
| Williamson Vets Ltd | Professional & scientific | 2025 |
| Wilnor Estates Limited | Real estate | 1962 |
| Winter Service Solutions Ltd | Administrative & support | 2011 |
| Winward Dairy Farming Limited | Agriculture & fishing | 2016 |
| Woodhouse Farm Developments Limited | Real estate | 2023 |
| Woods Steel Buildings Limited | Construction | 2025 |
| Wray Environmental Services Limited | Water & waste | 2012 |
| Wrexham Coating Solutions Ltd | Manufacturing | 2025 |
| Yalgardup Investments Ltd | Professional & scientific | 2025 |
| Youmediauk Ltd | Information & communication | 2025 |