| THE Literary & Philosophical Society of Newcastle Upon Tyne | Arts & recreation | 2007 |
| THE Maria Morley Crawcrook Pentecostal College | Other services | 1999 |
| THE Nursery Gardens (Fenham) Management Company Limited | Households | 2002 |
| THE Original Dutch Paviour Limited | Construction | 2006 |
| THE People's Kitchen Limited | Health & social care | 1993 |
| THE Picture Tile Company LLP | | 2002 |
| THE Sehgal Charitable Trust Limited | Administrative & support | 2001 |
| THE SIR William FOX Hotel Limited | Professional & scientific | 2006 |
| THE Sliding Door Wardrobe Company Limited | Professional & scientific | 1999 |
| THE Strand Unisex Hair Studio Limited | Other services | 2004 |
| THE United Reformed Church (Northern Province) Trust Limited | Financial services | 1914 |
| THE Westoe Practice Limited | Health & social care | 2003 |
| Theoleon Ltd | Real estate | 2024 |
| Thorntree Court Management Company Limited | Households | 1996 |
| Topline Haulage Limited | Information & communication | 2003 |
| Torgersens Limited | Professional & scientific | 2006 |
| Train to Attain Ltd | Information & communication | 2002 |
| Trainbreeze Limited | Wholesale & retail | 2004 |
| Travelability (U.K.) Limited | Manufacturing | 2001 |
| Trojan Holdings Limited | Real estate | 2016 |
| Tropic Properties Limited | Real estate | 1997 |
| Truck Protect Poland Ltd | Wholesale & retail | 2008 |
| TTR Barnes Financial Services Limited | Professional & scientific | 1986 |
| TTR Barnes Limited | Professional & scientific | 2001 |
| Tyne North Training Limited | Education | 1970 |
| Tyne Spring Chef Limited | Hospitality | 2021 |
| Tynemouth Golf Club,Limited(The) | Arts & recreation | 1913 |
| UK Docks Marine Services South Limited | Manufacturing | 2000 |
| UK Docks South Shields Limited | Other services | 2025 |
| Ulne Ltd | Transport & logistics | 2024 |
| Valve & Fitting Solutions Limited | Wholesale & retail | 2005 |
| Vanguard Dowson Limited | Wholesale & retail | 1987 |
| Vaughan Hart Personal Financial Services Limited | Financial services | 2001 |
| Venturia Group Ltd | Information & communication | 2021 |
| VIC Young (South Shields) Limited | Wholesale & retail | 1988 |
| Victoria Road Filling Station Ltd | Wholesale & retail | 2003 |
| VOX Alarms Limited | Real estate | 1973 |
| W.D. & P. Handy Limited | | 1973 |
| W.I.P (Work in Progress) Limited | Manufacturing | 2003 |
| Wallace Haulage Limited | Transport & logistics | 2000 |
| Wallsend Specsavers Limited | Wholesale & retail | 1995 |
| Walton Robinson Ltd | Real estate | 2000 |
| Warmer Times Limited | Wholesale & retail | 2024 |
| Warmshores Limited | | 1984 |
| Welch Holdings ( North East ) Limited | Financial services | 2022 |
| Wellbridge Engineering Limited | Construction | 2000 |
| Westhouse Residents Management Company Limited | Households | 2005 |
| WESTOE130 Ltd | Administrative & support | 2005 |
| Which Interventional Device Limited | Health & social care | 2007 |
| Which Medical Device Limited | Health & social care | 2007 |
| Whitburn Golf Club Limited(The) | Arts & recreation | 1933 |
| White House Flats Limited | Households | 2003 |
| White Wolf Ltd | Information & communication | 2025 |
| Whites Burners Limited | Other services | 1991 |
| Whitley Bay Carpet Centre Limited | Wholesale & retail | 1983 |
| Wilfred Robinson (Brigg) Limited | Agriculture & fishing | 1954 |
| Willingham Ltd | Real estate | 2005 |
| Willow Group Ltd | Real estate | 2005 |
| Winlaton Plastering Services Limited | Construction | 1999 |
| Woofs (Franchise) Ltd | Other services | 2019 |
| Wright Residential Limited | Real estate | 1998 |
| Yipp Films Limited | Arts & recreation | 1998 |
| York House Hotel Limited | Hospitality | 2000 |
| Young Projects Limited | Administrative & support | 2001 |
| Zenith Enterprises (UK) Limited | Professional & scientific | 2004 |
| Zentec Coatings Ltd | Manufacturing | 2011 |
| Zentia Limited | Manufacturing | 1925 |
| ZONE4KIDS Limited | Education | 2003 |