| The Plum Brandy Company LimitedLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2016 |
| The Potted Lobster LimitedBerwick upon Tweed, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2021 |
| The Quartz Worktop Company LimitedLeighton Buzzard, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2020 |
| The Riding Wine Company LtdMargate, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2018 |
| The Samling Hotel LtdLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2011 |
| The Savoy Hotel LimitedLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 1998 |
| The Serpentine TrustLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 1987 |
| The Somerset Wine Company LimitedCastle Cary, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2014 |
| The Spirits Club LtdLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2022 |
| The Tracklement Company LtdMalmesbury, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 1979 |
| The Vinyl Factory LtdLincoln, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2001 |
| The Whisky Cellar LimitedEdinburgh, United Kingdom · UKwine-whisky.com · checked 28 Oct 2026 | UK | 1 | – | – | –Fine (producers) | 13% | 2016 |
| The Whisky Palate LimitedLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2016 |
| The Win Green Trading Company LtdBromley, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2008 |
| The Wine Cellar Ltd T/a Whisky Kingdom LtdLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2011 |
| The Wine Hall LtdAuchterarder, United Kingdom · UKhallwines.com · checked 28 Oct 2026 | UK | 1 | – | – | –Fine (producers) | – | 2022 |
| The Wine Safe LtdBristol, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2010 |
| The Woodshack LimitedSouthampton, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2018 |
| The do Lectures LtdCardigan, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2008 |
| Thirstee Business LimitedRickmansworth, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2009 |
| Thomas Ridley and Son LtdSlough, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 1917 |
| Three River Studios LtdAbingdon, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2013 |
| Tiffany & Co. LtdUnited Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2007 |
| Tigella LtdLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2023 |
| Tila London LimitedLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2020 |
| Tileyard Records LimitedLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2022 |
| Timac Agro UK LimitedHarpenden, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2009 |
| Time Products LimitedLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 1931 |
| Timothy Hatton Architects LtdLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 1990 |
| Tinfinity LtdLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2017 |
| Tissot Industry UK LimitedCroydon, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2017 |
| Titanic Wines LimitedBushmills, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2017 |
| Tocqueville Library LtdLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2020 |
| Top Spirits LtdLeicester, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2012 |
| Tpt LimitedMarlow, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2000 |
| Transforming Surfaces LimitedLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2022 |
| Translift Bendi LtdRedditch, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 1965 |
| Tratos LimitedPrescot, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 1980 |
| Tres Maestros LtdLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2020 |
| Tri-Circle Food LimitedWembley, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2006 |
| Trillium Property Services LimitedLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 1998 |
| Trivia Wines LimitedLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2020 |
| Troia Restaurants LimitedLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2013 |
| Trousset Fawcett LtdLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2011 |
| Truefoods LimitedMelmerby, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2006 |
| Trust Systems LimitedCirencester, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2006 |
| Tsa International LtdSpalding, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2007 |
| Tsg Consumer UK LLPMayfair, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2019 |
| Turner Broadcasting System Europe LimitedLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 1985 |
| Ty Danjuma Family Office LtdEsher, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2009 |