| Tigrox Ltd | Extraterritorial | 2012 |
| Tinting Express (Auto) Limited | Wholesale & retail | 2023 |
| Tinting Express Ltd | Wholesale & retail | 2005 |
| Tirion Resource Investments Limited | Financial services | 2019 |
| TJG Building and Maintenance Ltd | Construction | 2022 |
| TJH Auto Ltd | Wholesale & retail | 2012 |
| TJH Systems Ltd | Professional & scientific | 2015 |
| TJR Retail Ltd | Wholesale & retail | 2014 |
| TM Gaming Ltd | Wholesale & retail | 2026 |
| TM Gym Ltd | Arts & recreation | 2015 |
| TMP & Associates Limited | Professional & scientific | 2001 |
| Together Financial Solutions Limited | Financial services | 2008 |
| Tokamak Transport Ltd | Transport & logistics | 2021 |
| Tolhurst Heating Solutions Ltd | Construction | 2017 |
| TOM White Engineering Ltd. | Construction | 2014 |
| Tony Dixon (Manufacturing) Limited | Manufacturing | 2008 |
| Top Roast Ltd | Hospitality | 2025 |
| Torch Farm & Equine Holdings Limited | Professional & scientific | 2020 |
| Torch Farm and Equine Limited | Professional & scientific | 2012 |
| Torque SIM Racing Ltd | Arts & recreation | 2026 |
| Torridge Tree Services Ltd | Administrative & support | 2025 |
| Total Hoof Care Limited | Professional & scientific | 2017 |
| Total Shrink Wrap Ltd | Construction | 2024 |
| Total Threads Ltd | Wholesale & retail | 2026 |
| Totally Transporters Ltd | Wholesale & retail | 2013 |
| Town Shop (BS) Ltd | Wholesale & retail | 2026 |
| Train 2 AID Ltd | Extraterritorial | 2017 |
| Trandy Ltd | Hospitality | 2022 |
| Trees for Good Causes CIC | Administrative & support | 2022 |
| Treffry Ltd | Professional & scientific | 2025 |
| Treharve First Property Ltd | Real estate | 2025 |
| Treharve Property Ltd | Real estate | 2025 |
| Treidlia Holdings Limited | Financial services | 2020 |
| Treidlia Property Limited | Real estate | 2020 |
| Trelyon Management Company Ltd | Households | 2017 |
| Trentishoe Holidays Ltd | Real estate | 2026 |
| Trenwood Farming Ltd | Agriculture & fishing | 2017 |
| Triden Elite Ltd | Information & communication | 2012 |
| Trimmer Medical Ltd | Health & social care | 2024 |
| Trinity Court Residents Association (Westward HO!) Limited | Households | 1972 |
| Troya Logistics Limited | Hospitality | 2019 |
| True Accountants Ltd | Professional & scientific | 2014 |
| Truecare Training Ltd | Education | 2023 |
| Truewater Distilled Ltd | Manufacturing | 2025 |
| Trumar Limited | Professional & scientific | 2023 |
| Truscotts (Barnstaple) Limited | Construction | 1992 |
| Trusted Care South West Limited | Health & social care | 2021 |
| Trusted Elements Limited | Wholesale & retail | 2015 |
| TSZ & K Transport Limited | Wholesale & retail | 2018 |
| Tucker & Sons Ltd. | Agriculture & fishing | 2017 |
| Turnstone Holdings Ltd | Real estate | 2020 |
| Turnstyle Designs Limited | Manufacturing | 1966 |
| Turnstyle Holdings Ltd | Financial services | 2022 |
| Turquoise Thinking Ltd | Professional & scientific | 2005 |
| TW Consulting Limited | Information & communication | 2022 |
| TW Risk Ltd | Professional & scientific | 2015 |
| Twelve Stones Animation Limited | Information & communication | 2006 |
| Twin Audio Limited | Manufacturing | 2017 |
| Twisties Limited | Wholesale & retail | 2015 |
| Twisties Motorcycles Limited | Wholesale & retail | 2015 |
| Two Rivers Stores Ltd | Wholesale & retail | 2026 |
| U.T. (Maintenance) Limited | Households | 1985 |
| Udhaya Ltd | Transport & logistics | 2025 |
| Ukcontainersuppliers Ltd | Wholesale & retail | 2025 |
| Ultimate Event Dancers Limited | Arts & recreation | 2011 |
| Ultimate Twin Performance Ltd | Wholesale & retail | 2023 |
| Uniquely Holt Ltd | Arts & recreation | 2023 |
| UNITS4STORAGE Ltd | Transport & logistics | 2023 |
| Upton K Limited | Professional & scientific | 2014 |
| Upton T Limited | Wholesale & retail | 2016 |
| URBAN54 Workwear Ltd | Manufacturing | 2016 |
| USB Trader Limited | Information & communication | 2013 |
| V & C Goaman Properties Limited | Construction | 2004 |
| V80 Ltd | Extraterritorial | 2025 |
| Valenti Wealth Ltd | Real estate | 2019 |
| Valle Verde Ltd | Hospitality | 2023 |
| Valley Mobility Services Ltd | Wholesale & retail | 2012 |
| Valtor Advisory Ltd | Professional & scientific | 2026 |
| Vaneal Ltd | Health & social care | 2013 |
| Venn Valley Press Ltd | Information & communication | 2025 |
| Verdant Heating Ltd | Construction | 2024 |
| Veronica Dearly Ltd | Arts & recreation | 2011 |
| VHM Limited | Professional & scientific | 1990 |
| Victoria Street Property Limited | Real estate | 2013 |
| Victorian School Ltd | Education | 2015 |
| Virgo Meadow Ltd | Extraterritorial | 2018 |
| Virtulum Limited | Professional & scientific | 2023 |
| Vision Laser Labs Ltd | Manufacturing | 2023 |
| Vista Wellbeing C.I.C. | Education | 2017 |
| Vitalspark Synergy Ltd | Information & communication | 2024 |
| Vitesse Digital Dynamics Limited | Information & communication | 2024 |
| Viviani Solutions Ltd | Professional & scientific | 2021 |
| Vntl Group Ltd | Hospitality | 2026 |
| Vowles Electrical Limited | Manufacturing | 2019 |
| VOX Fulfilment Ltd | Transport & logistics | 2025 |
| VQ Gym Limited | Arts & recreation | 2025 |
| VTT Installations Ltd | Manufacturing | 2020 |
| W S Gayton & SON Limited | Other services | 2007 |
| W.M. Ironwork Limited | Manufacturing | 1984 |
| Waddle Digital Limited | Information & communication | 2024 |