| Truro High School for Girls Trustees | Education | 2007 |
| Truro High School Trading Limited | Education | 2014 |
| Truro Homeless Action Group | Hospitality | 2003 |
| Truro International Fresh Food Ltd | Wholesale & retail | 2023 |
| Truro MOT Test Centre Limited | Transport & logistics | 2017 |
| Truro Nourish Hub CIC | Hospitality | 2022 |
| Truro Paintball Limited | Arts & recreation | 2013 |
| Truro Pannier Market Traders Limited | Wholesale & retail | 1984 |
| Truro Property Services Ltd | Real estate | 2025 |
| Truro Public Rooms COMPANY(1926)LIMITED(THE) | Professional & scientific | 1926 |
| Truro Railway Inn Limited | Hospitality | 2019 |
| Truro Regeneration Company Community Interest Company | Construction | 2023 |
| Truro Removals Limited | Transport & logistics | 2010 |
| Truro River Working Group Community Interest Company | Administrative & support | 2016 |
| Truro Rugby Football Club Limited | Arts & recreation | 2015 |
| Truro Rugby Football Club Trading Limited | Arts & recreation | 2020 |
| Truro Sawmills Limited | Manufacturing | 2001 |
| Truro School Enterprises Limited | Education | 1992 |
| Truro Sweets Ltd | Wholesale & retail | 2026 |
| Truro Taxis Limited | Transport & logistics | 2025 |
| Truro Tractors Limited | Wholesale & retail | 1998 |
| Truro Windows Ltd | Construction | 2019 |
| Truscotts (Newquay) Limited | Hospitality | 2005 |
| Trusted Tech Team Limited | Wholesale & retail | 2023 |
| Trusthub Group Ltd | Administrative & support | 2016 |
| TSC Construction Ltd | Construction | 2020 |
| Tudors Estate Group Ltd | Professional & scientific | 2025 |
| TUK in Food and Catering Ltd | Hospitality | 2025 |
| Tung Sing (Cornwall) Limited | Hospitality | 2024 |
| Turner Property Holdings Limited | Real estate | 1992 |
| Turner UK Limited | Administrative & support | 2007 |
| Turnstone Consultancy Limited | Professional & scientific | 2026 |
| Twigg AI Ltd | Information & communication | 2025 |
| Twilight TAN Limited | Other services | 2018 |
| TWM TV Ltd | Information & communication | 2021 |
| Two Tails by the Sea Limited | Other services | 2025 |
| TWP Property Investors & Developers Ltd | Construction | 2026 |
| Twwc Limited | Hospitality | 2022 |
| U.D.Y Ltd | Real estate | 2021 |
| Ultimate Protection Ltd | Manufacturing | 2020 |
| Ultra Realhope Ltd | Administrative & support | 2025 |
| UMS CC Ltd | Wholesale & retail | 2024 |
| Unacco Health Ltd. | Real estate | 2014 |
| Unbound Project Ltd | Education | 2025 |
| Understanding Data Limited | Professional & scientific | 2015 |
| Undertones Creative Ltd | Information & communication | 2024 |
| Uneeka.Life Ltd | Wholesale & retail | 2013 |
| Unicorn UK Property Limited | Real estate | 1999 |
| Uniflex Ltd | Wholesale & retail | 2017 |
| Unit 7 Rotherbrook Court Management Company Limited | Administrative & support | 2009 |
| Unitas Homes Ltd | Real estate | 2026 |
| Unity Escapes Limited | Hospitality | 2026 |
| Unreal Systems Limited | Information & communication | 2011 |
| Upbeat Spirits Limited | Wholesale & retail | 2021 |
| Upward Stack Development Ltd | Information & communication | 2018 |
| Urbanmantra Ltd | Extraterritorial | 2021 |
| Utech Global Services Ltd | Information & communication | 2021 |
| Utech Managment Services Ltd | Information & communication | 2023 |
| Utility Apps LP | | 2018 |
| UVW Limited | Professional & scientific | 2017 |
| Validation Network Limited | Wholesale & retail | 2022 |
| Valley Ducks Limited | Agriculture & fishing | 2024 |
| Valley View Management Company (Lanjeth) Limited | Households | 2019 |
| Value Pricing Academy (Holdings) Limited | Extraterritorial | 2026 |
| Valued Lives Ltd. | Education | 2017 |
| Vamos Recruitment Limited | Administrative & support | 2016 |
| Van Life Campers Ltd | Administrative & support | 2016 |
| Vanilla 2 Nightclub Ltd | Hospitality | 2026 |
| Vantage Education Partners Ltd | Administrative & support | 2025 |
| Vaughan Industries Limited | Manufacturing | 1990 |
| VC Warehouse Limited | Administrative & support | 2002 |
| Vectis Architectural Limited | Construction | 2008 |
| Velocity Retail Limited | Wholesale & retail | 2020 |
| Venturesail Limited | Administrative & support | 2017 |
| Venturyst Ltd | Professional & scientific | 2016 |
| Verdant Futures Cornwall Limited | Financial services | 2026 |
| Veribridge Oversight Services Ltd | Professional & scientific | 2026 |
| Verran Ltd | Information & communication | 2015 |
| Vers Demain Limited | Real estate | 2025 |
| Vertex Southern Limited | Professional & scientific | 2025 |
| Verto Construction Ltd | Construction | 2012 |
| Verto Homes Ltd | Construction | 2010 |
| Verto Strategic Land Ltd | Construction | 2022 |
| Very Fine Homes of Gweek Limited | Real estate | 2002 |
| Very Rude Ltd | Financial services | 2021 |
| Vespa Cornwall Developments Ltd | Construction | 2022 |
| VET 24-7 Ltd | Information & communication | 2023 |
| Vetadventure Ltd | Professional & scientific | 2007 |
| Veterans Regroup CIC | Information & communication | 2009 |
| Viaweald Property Management Limited | Households | 1985 |
| Vidar Limited | Real estate | 2024 |
| Vidtu Limited | Information & communication | 2009 |
| Vinesha Property Limited | Real estate | 2026 |
| Vingoe Family Law Limited | Professional & scientific | 2016 |
| Vino Vista Ltd | Hospitality | 2025 |
| Viren Energy Ltd | Wholesale & retail | 2025 |
| Vision Building Limited | Construction | 2024 |
| Vision Drives and Patios Ltd | Construction | 2018 |
| Vision Projects South West Limited | Construction | 2026 |
| Vision Roofing & Home Improvements Ltd | Construction | 2023 |