| Treadwell Flooring Limited | Construction | 2012 |
| Treescape North West Limited | Agriculture & fishing | 2006 |
| Trendmost Limited | Wholesale & retail | 1975 |
| Trendywear Limited | | 1990 |
| Trust Renewables Ltd | Energy | 2019 |
| TSS Design Services Limited | Professional & scientific | 2014 |
| Tumble Turrets Limited | Arts & recreation | 2005 |
| UBE Urethanes UK Ltd. | Manufacturing | 1917 |
| Unique Moulds (UK) Limited | Manufacturing | 2005 |
| Urban Regeneration Ltd. | Extraterritorial | 1998 |
| Urban Renewal Ltd. | Extraterritorial | 1998 |
| Valley House Leisure Limited | Hospitality | 1993 |
| Valrust Limited | | 1980 |
| Van KIT Limited | | 1976 |
| Venpak Limited | Manufacturing | 2003 |
| Verbis Consulting Limited | Professional & scientific | 2008 |
| W.Cunliffe Limited | Real estate | 1961 |
| W.H. Jackson Limited | Wholesale & retail | 1936 |
| W.J. Slater Limited | Construction | 2002 |
| W.S.Heane,Limited | Manufacturing | 1920 |
| Water & GAS Limited | Administrative & support | 2010 |
| Wavecrest Properties Limited | Real estate | 2004 |
| Wealdpark Limited | Manufacturing | 1965 |
| Webster Physiotherapy Limited | Health & social care | 2014 |
| Webuyanyhouse.Com Limited | Extraterritorial | 2010 |
| Whewells (Hardboard) Limited | Wholesale & retail | 1958 |
| Wigan and Leigh Pensioners Link Limited | Health & social care | 1991 |
| William Foyle International Travel Limited | | 1986 |
| William H. Howard Limited | Financial services | 1976 |
| William Tatham (Cleckheaton) Ltd. | Manufacturing | 1971 |
| WOO Sang & Co. Limited | Real estate | 1973 |
| WOO Sang Holdings Limited | Extraterritorial | 2002 |
| Wrights Cable Jointing Limited | Construction | 2014 |
| Yogating Studios Limited | Other services | 2013 |
| ZUP Badura Limited | Professional & scientific | 2004 |