| Sykeside Holdings Limited | Hospitality | 2007 |
| T & J Photographic Limited | Professional & scientific | 2003 |
| T Brady & SON (Holdings) Limited | Professional & scientific | 1983 |
| T J Ewbank Limited | Agriculture & fishing | 2003 |
| T W Bell & SON Limited | Agriculture & fishing | 2006 |
| T.Lawson & SON Limited | | 1959 |
| Take Control Alcohol Support Ltd | Health & social care | 2019 |
| Tall Ridge Roofing Services Limited | Construction | 2002 |
| Tanglewood Lodge Limited | Construction | 2003 |
| Taylor & Braithwaite Limited | Wholesale & retail | 2002 |
| Taylor Thomson Limited | Professional & scientific | 2016 |
| Taylors Cumbrian Holdings Limited | Professional & scientific | 2006 |
| TB Group Limited | Real estate | 1999 |
| Team RS Limited | Arts & recreation | 2003 |
| Technical Fibre Products Limited | Manufacturing | 1986 |
| Telemeter Installations Limited | | 1952 |
| Temperon Limited | Wholesale & retail | 1993 |
| Thanbir Tandoori Limited | Hospitality | 2018 |
| THE Auld Barn Management Company Limited | Households | 1994 |
| THE Balmoral Hotel (Silloth) Limited | Hospitality | 2006 |
| THE Barber Shop (Ulverston) Ltd | Other services | 2006 |
| THE Birchall Trust | Other services | 2005 |
| THE Black Bull Hotel (Coniston) Limited | Hospitality | 2006 |
| THE Blacksmiths Arms (Talkin) Limited | Hospitality | 2002 |
| THE Cabin (Cark) Limited | Wholesale & retail | 2003 |
| THE Captains Court Management Company Limited | Households | 1993 |
| THE Castle Bar (Cockermouth) Limited | Hospitality | 2007 |
| THE Cockermouth Paper Shop Limited | Wholesale & retail | 2001 |
| THE Fish Cellar Limited | Wholesale & retail | 2002 |
| THE Fryery Limited | Wholesale & retail | 2003 |
| THE Gretna Inn Limited | Hospitality | 2020 |
| THE Horse and Farrier Limited | Hospitality | 2017 |
| THE Keswick Card and Gift Company Limited | Wholesale & retail | 2024 |
| THE Key Cobbler Limited | Wholesale & retail | 2004 |
| THE Marchon Sports & Social Club Limited | Arts & recreation | 2010 |
| THE Money Management Centre Property Services Limited | Professional & scientific | 2000 |
| THE Moose Factory Limited | Hospitality | 1995 |
| THE Morecambe Bay Conservation Grazing Company Limited | Agriculture & fishing | 2006 |
| THE Mountain Factor Limited | Wholesale & retail | 1997 |
| THE New West Port Corporation Limited | Manufacturing | 1997 |
| THE Orchid House (Keswick) Limited | Wholesale & retail | 1991 |
| THE Paragon Gift Shop Limited | Wholesale & retail | 2007 |
| THE Treatment Rooms (Cumbria) Limited | Other services | 2006 |
| THE Tsars Palace Limited | Wholesale & retail | 2005 |
| THE Ullswater Trading Company Ltd. | Transport & logistics | 1990 |
| THE University of Cumbria | Education | 2006 |
| THE Warm Welly Company Limited | Wholesale & retail | 2006 |
| THE Warwick Road BED Centre Limited | Wholesale & retail | 2003 |
| THE Wild Olive 21 Limited | Hospitality | 2021 |
| Thomas Baty & Sons (Carlisle) Limited | Professional & scientific | 1931 |
| Thomas Wright and Sons (Builders) Limited | Construction | 1937 |
| Time Limited | Information & communication | 1985 |
| Titterington Coaches Limited | Transport & logistics | 2004 |
| TJ & PA Danson Limited | Wholesale & retail | 2002 |
| Toddler Town Nursery Limited | Administrative & support | 2002 |
| Tony Singleton Limited | Agriculture & fishing | 2003 |
| Town and Country Interiors (UK) Limited | Wholesale & retail | 2001 |
| Travel Office Limited | Administrative & support | 1982 |
| Trevlac Limited | Wholesale & retail | 1999 |
| TTE UK & Ireland Limited | Wholesale & retail | 2017 |
| Tubros Engineering Limited | Manufacturing | 1996 |
| Tudor Car Services Limited | Wholesale & retail | 2002 |
| Tuporram Group Limited | Real estate | 2026 |
| Twilight Years Limited | Health & social care | 2005 |
| Tythe Barn Nurseries Limited | Agriculture & fishing | 2002 |
| U.K. Marine Power Ltd | Extraterritorial | 1956 |
| Ullswater Marine Limited | Administrative & support | 2004 |
| Ulverston Auction Mart Public Limited Company(The) | Real estate | 1877 |
| Ulverston Precision Machining Limited | Water & waste | 1987 |
| V & M Investments Limited | Real estate | 1997 |
| Ventilation Technical Support Services Ltd | Manufacturing | 2007 |
| Vevers Limited | Agriculture & fishing | 2006 |
| Viavac Sales Limited | Administrative & support | 2004 |
| Vicarage Care Limited | Health & social care | 2002 |
| Vinegar Jones Ltd. | Hospitality | 2001 |
| Vision Support Barrow & District | Health & social care | 1995 |
| Vitagrass Farms (Holker) Limited | Agriculture & fishing | 1954 |
| W & a Todd Limited | Manufacturing | 2003 |
| W B Brown Limited | Construction | 2003 |
| W Crawford & SON Ltd. | Construction | 2002 |
| W E Benson Limited | Agriculture & fishing | 2003 |
| W S Architecture Limited | Professional & scientific | 2003 |
| W. Ferguson Limited | Wholesale & retail | 2004 |
| W. Vasey & Sons (Property) Limited | Professional & scientific | 1956 |
| W.G. Ross & Company Limited | Real estate | 1935 |
| W.L. Jones (Engravers) Limited | Manufacturing | 1975 |
| W.Mcclure Limited | Wholesale & retail | 1961 |
| Walkwise International Limited | Administrative & support | 2003 |
| Walkwood Ltd | Manufacturing | 2006 |
| Warrior Events Limited | Arts & recreation | 2013 |
| Warwick Square Osteopaths Limited | Health & social care | 2003 |
| WCF Ltd. | Wholesale & retail | 1988 |
| Weanafeeda Products Ltd. | Wholesale & retail | 1998 |
| Webbs (Kendal) Limited | Wholesale & retail | 1985 |
| West Coast Indoor Karting Limited | Arts & recreation | 2003 |
| West Cumbria Dental Laboratory Limited | Health & social care | 2002 |
| West Whitrigg | Agriculture & fishing | 2007 |
| Western Lakes Limited | Arts & recreation | 2004 |
| Westminster Cafe Limited | Hospitality | 2005 |
| Westmorland Caravans (Meathop) Limited | Hospitality | 1987 |