| Vision to Reality Limited | Professional & scientific | 1995 |
| Visual Awareness Limited | Other services | 2010 |
| Visual Coatings Ltd | Construction | 2021 |
| Vita Nest Limited | Real estate | 2025 |
| Vital Spark Creative Ltd | Professional & scientific | 2012 |
| Vito Education Limited | Education | 2025 |
| Viva Grace Limited | Health & social care | 2022 |
| Vivacare Limited | Health & social care | 2004 |
| Vivian Olds Limited | Wholesale & retail | 2003 |
| Vivum Propco Limited | Other services | 2026 |
| VLR Properties Ltd | Real estate | 2022 |
| Vocalising CIC | Education | 2022 |
| Voltic Ltd | Manufacturing | 2021 |
| Volunteer Cornwall | Other services | 1998 |
| Vose Farm Ltd | Hospitality | 2015 |
| Voyager Training Ltd | Education | 2023 |
| VS Golf Limited | Arts & recreation | 2025 |
| VW Connections Ltd | Wholesale & retail | 2023 |
| VYV Collective Ltd | Wholesale & retail | 2025 |
| W & W Consulting Ltd | Professional & scientific | 2006 |
| W a Dingle Limited | Construction | 2019 |
| W Spencer Interiors Ltd | Manufacturing | 2012 |
| W T Independent Financial Planning Limited | Financial services | 2011 |
| W. D. Julyan Limited | Extraterritorial | 2012 |
| W. Prowse and SON Limited | Construction | 1964 |
| W.J. Osborn & Sons Limited | Agriculture & fishing | 1964 |
| W.J.Roberts & Son(Drapers),Limited | Real estate | 1937 |
| W.R. Richards & Sons Limited | Agriculture & fishing | 1955 |
| W.Westlake and S.Banks Ltd | Health & social care | 2019 |
| Wade Assets Limited | Financial services | 2023 |
| Wagtail Inns Limited | Hospitality | 2002 |
| Walker Business Park Management Company Limited | Extraterritorial | 2012 |
| Wallace Electrical (Cornwall) Ltd | Construction | 2010 |
| Wallace Innovations Ltd | Construction | 2018 |
| Walmsley Baker (UK) Limited | Financial services | 2007 |
| Walmsley Baker Ltd | Financial services | 2024 |
| Walmsley Baker Wealth Management Ltd | Administrative & support | 2023 |
| Ward Williams Associates LLP | | 2015 |
| Ward Williams Holdings Limited | Professional & scientific | 1989 |
| Ward Zephyr Ltd | Energy | 2013 |
| Warmstar Heating Limited | Construction | 2005 |
| Warner Enterprises Limited | Wholesale & retail | 2026 |
| Watchlight Ltd | Hospitality | 2024 |
| Watcombe Beach Developers Ltd | Construction | 2025 |
| Watcombe Beach Ltd | Real estate | 2025 |
| Water Care Technology Limited | Wholesale & retail | 2000 |
| Water's Edge (Newquay) Management Company Limited | Households | 2001 |
| Waterbeach Management Company Ltd | Households | 2002 |
| Watergate Bay Surf Company Limited | Wholesale & retail | 2005 |
| Watermill Carriage Company Limited | Wholesale & retail | 1994 |
| Waterside and Country Homes Limited | Professional & scientific | 2001 |
| Waterside Apartments Malpas Ltd | Households | 2019 |
| Waterside Dentalhealthcare Limited | Health & social care | 2010 |
| Watkins Plumbing & Heating Limited | Construction | 2003 |
| Watson French Limited | Financial services | 2000 |
| Watts on Electrical Wholesale Ltd | Wholesale & retail | 2025 |
| Watts on Holdings Ltd | Financial services | 2025 |
| Wave Venture Ltd. | Information & communication | 2014 |
| Wavecrest Construction Ltd | Manufacturing | 2017 |
| Wavemedia (SW) Ltd | Professional & scientific | 2018 |
| Ways to SAY Thank YOU (UK) Ltd | Manufacturing | 2019 |
| WCA Management Services Limited | Real estate | 2022 |
| WE ARE Absolute Ltd | Professional & scientific | 2025 |
| WE Build Cornwall Ltd | Construction | 2016 |
| WE Interact Limited | Professional & scientific | 2010 |
| WE Love Micro Limited | Information & communication | 2016 |
| WE Store Cornwall Ltd | Transport & logistics | 2025 |
| Webb Dynamics Consulting Ltd | Information & communication | 2024 |
| Webbys Care Limited | Administrative & support | 2017 |
| Webster Films Ltd | Information & communication | 2021 |
| Wedgwood Court Management Company (Liskeard) Limited | Households | 2004 |
| Weise Marine Ltd | Extraterritorial | 2020 |
| Well Lane Cornwall Ltd | Wholesale & retail | 2019 |
| Well Placed HR Limited | Extraterritorial | 2019 |
| Wellbeing Boxing Limited | Education | 2025 |
| Wellborne Limited | Real estate | 2002 |
| Wendy the Physio Ltd | Real estate | 2016 |
| Wenger Enterprises UK Limited | Health & social care | 2019 |
| Wesave Ltd | Administrative & support | 2023 |
| Wesley Court Management Company (Redruth) Limited | Real estate | 2005 |
| Wesley Place (ST. Columb) Limited | Real estate | 1992 |
| Wesley Yard Ltd | Construction | 2014 |
| West Coast Kitchen Installers Limited | Construction | 2009 |
| West Coast Risk Ltd | Administrative & support | 2024 |
| West Cornwall Construction Limited | Construction | 2009 |
| West Cornwall Storage Limited | Transport & logistics | 2025 |
| West Country Drinks Ltd | Wholesale & retail | 2006 |
| West Linton Farmers Ltd | Agriculture & fishing | 2002 |
| West Pentire Parking Limited | Transport & logistics | 2012 |
| West Winds (Falmouth) Management Company Limited | Households | 2007 |
| Westberry Building Services Limited | Construction | 2024 |
| Westcountry Gates and Railings Ltd | Manufacturing | 2021 |
| Westcountry Wood Limited | Construction | 2009 |
| Western Flat Roofing Company Limited | Construction | 2010 |
| Western Hygienic Supplies Limited | | 1980 |
| Western Tree Surgeons Limited | Agriculture & fishing | 2004 |
| Western Visual Ltd | Arts & recreation | 2012 |
| Westfield Management (Cornwall) Limited | Financial services | 2008 |
| Westfield Motors (Cornwall) Limited | Wholesale & retail | 2008 |
| Westfield Transport (Cornwall) Limited | Transport & logistics | 1985 |