| Tort Towers Rescue CIC | Agriculture & fishing | 2025 |
| Tower Green Holdings Limited | Administrative & support | 2022 |
| Tower Property Developments Ltd | Construction | 2015 |
| Towers-Yelland Construction Ltd | Construction | 2020 |
| Town Quay (Wadebridge) Limited | Households | 2001 |
| TP 27 Limited | Hospitality | 2016 |
| Trading Green Limited | Water & waste | 2000 |
| Translated Wins Ltd | Professional & scientific | 2019 |
| Tredinnick Engineers Limited | Wholesale & retail | 2002 |
| Tredore Holdings Limited | Information & communication | 2019 |
| Treglyn Wood Limited | Households | 2022 |
| Tregoning Limited | Wholesale & retail | 2008 |
| Tregonna Associates Ltd | Professional & scientific | 2024 |
| Tregwarmond Mill Management Limited | Real estate | 1997 |
| Trelawney Court Management (Rock) Limited | Households | 1999 |
| Trelow CE Turbine Limited | Energy | 2013 |
| Trelyn Consultants Ltd | Public administration | 2025 |
| Trescore Ltd | Professional & scientific | 2026 |
| Trethawle CE Turbine Limited | Energy | 2012 |
| Trevanion Consulting Limited | Professional & scientific | 2023 |
| Trevansyn Heights Management Company Limited | Households | 2020 |
| Trevelver Farm Ltd | Agriculture & fishing | 2025 |
| Trevibban Ltd | Education | 2017 |
| Trewiston Holdings Limited | Financial services | 2024 |
| Trewornan Manor Limited | Hospitality | 2014 |
| Trident Liquid Gold Ltd | Agriculture & fishing | 2023 |
| Trouble Free Security Ltd | Administrative & support | 2024 |
| True Blue Training Solutions LP | | 2022 |
| Tuckers Cafe Limited | Hospitality | 2024 |
| Tunmise Intergrated Services Limited | Health & social care | 2025 |
| TWB Trustees Limited | Administrative & support | 2022 |
| Typo Limited | Information & communication | 2010 |
| Vagg-Williams Painting and Flooring Ltd | Construction | 2026 |
| Vanilla Polzeath Limited | Wholesale & retail | 2024 |
| Verbi Languages Ltd | Information & communication | 2026 |
| Villecrown Services Limited | Real estate | 2017 |
| Vindico Procurement Services Ltd | Professional & scientific | 2013 |
| Vitosha 34 Limited | Hospitality | 2025 |
| VSC (Cornwall) Limited | Water & waste | 2004 |
| W.H. Old & SON (Rumford) Limited | Wholesale & retail | 1949 |
| W.W.Petherick & Sons,Limited | Real estate | 1936 |
| Wadebridge Bathroom Studio Limited | Wholesale & retail | 2013 |
| Wadebridge Camel R.F.C. Ltd | Arts & recreation | 1998 |
| Wadebridge Camels RFC Limited | Arts & recreation | 2011 |
| Wadebridge Computers Ltd | Wholesale & retail | 2008 |
| Wadebridge Cricket Club Limited | Arts & recreation | 2025 |
| Wadebridge School | Education | 2012 |
| Wadebridge Town Amateur Football Club Ltd | Health & social care | 2024 |
| WAI KUI Chinese Take Away Limited | Hospitality | 2012 |
| Waller & Cross Ltd | Wholesale & retail | 2021 |
| Wave Colective Ltd | Professional & scientific | 2020 |
| Wave Vets Limited | Professional & scientific | 2013 |
| Waygallow Limited | Agriculture & fishing | 2004 |
| West Country Tents Limited | Administrative & support | 2025 |
| West Marquee Hire Ltd | Arts & recreation | 2020 |
| Western Supply Co. Ltd | Wholesale & retail | 2012 |
| Westpath Engineering Ltd | Construction | 2014 |
| Westworld Creative Ltd. | Wholesale & retail | 2014 |
| Whitewater Gallery Limited | Wholesale & retail | 2015 |
| Wild and Free Cornish Campers Limited | Extraterritorial | 2021 |
| Wild Earth Campers Ltd | Wholesale & retail | 2021 |
| Wild Gorse Beach & Forest School CIC | Education | 2025 |
| Wills Cornwall Limited | Hospitality | 2023 |
| WK Buse and SON Ltd | Agriculture & fishing | 2012 |
| Woodlands (Southborough) Residents Association Limited | Households | 1968 |
| Woodside Wadebridge Management Company Limited | Households | 2020 |
| Workforce Governance Ltd | Professional & scientific | 2022 |
| World Wide Organics Ltd | Hospitality | 2015 |
| WTW Cinemas Limited | Information & communication | 1945 |
| Wyvern Seed Fund Limited Partnership | | 2000 |
| Zeath Consultancy Limited | Administrative & support | 2012 |