| Unistar Mobile Limited | Wholesale & retail | 2002 |
| Upstairs Limited | Hospitality | 2022 |
| US5 Holdings Limited | Real estate | 2020 |
| Vanstone Builders Limited | Construction | 1995 |
| Ventonwyn Limited | Construction | 2016 |
| Vercors Management Services Limited | Real estate | 2010 |
| Vesey Property Consultants Limited | Real estate | 2005 |
| Veterinary Voices Ltd | Professional & scientific | 2022 |
| Victor Printing Company Limited | Manufacturing | 1937 |
| Vintage and Retro Furniture Co Ltd | Wholesale & retail | 2016 |
| Vital Pelvic Health Ltd | Health & social care | 2024 |
| Vivian MAY Ltd | Wholesale & retail | 2021 |
| Vivien Lines Consulting Ltd | Administrative & support | 2016 |
| Wagtail Services Ltd | Professional & scientific | 2023 |
| Waldon Devon Ltd | Real estate | 2026 |
| Wallton Consulting Limited | Professional & scientific | 2025 |
| Wallton Developments Limited | Real estate | 2021 |
| Ward Commercial (SW) Ltd | Real estate | 2022 |
| Water Powered Technologies Limited | Administrative & support | 2010 |
| Waterfront Fishing & Shooting Ltd | Wholesale & retail | 2020 |
| WAY2GO4 Walking Holidays Limited | Administrative & support | 2003 |
| WC Foods Ltd | Hospitality | 2023 |
| Webb Electrical (SW) Limited | Construction | 2010 |
| Wendy Beatrice Congdon Limited | Extraterritorial | 2022 |
| West Country Carpets Ltd | Wholesale & retail | 2015 |
| West Country Pies Ltd | Manufacturing | 2026 |
| West Park Electrical Contractors Ltd | Construction | 2025 |
| Westland Barton Limited | Agriculture & fishing | 1994 |
| Westland Countryside Stewards Ltd | Other services | 2010 |
| Westlands Nursery Ltd. | Education | 2019 |
| Whalesborough Farm Foods Limited | Manufacturing | 2003 |
| Whyso Ltd | Information & communication | 2026 |
| Widemouth Bay Trading Company Limited | Hospitality | 2004 |
| Wigwam SAM Ltd | Manufacturing | 2018 |
| Wild IQ Ltd | Other services | 2026 |
| Wild Wedding Company Ltd | Other services | 2017 |
| Wild Wood Cornwall Limited | Wholesale & retail | 2009 |
| William Peers Ltd | Arts & recreation | 2021 |
| Willow Valley Holiday Park Limited | Hospitality | 2024 |
| Witt Limited | Professional & scientific | 2007 |
| WJE Carpentry & Construction Ltd | Construction | 2021 |
| WJE Developments Ltd | Construction | 2025 |
| WMW Consultants Ltd | Professional & scientific | 2013 |
| WMW Properties Limited | Professional & scientific | 2018 |
| Wolf Mouse Entertainment Ltd | Arts & recreation | 2018 |
| Wonder Productions Limited | Hospitality | 2016 |
| Wooda Farm Park Limited | Wholesale & retail | 1962 |
| Woolston Market Garden Ltd | Agriculture & fishing | 2024 |
| Woolstone Manor Farm Management Company Limited | Real estate | 2002 |
| Wrap Kingdom Ltd | Wholesale & retail | 2023 |
| Wroe & Briggs Ltd | Professional & scientific | 2014 |
| Wyld Floristry Ltd | Administrative & support | 2025 |
| XLQ Consulting Ltd | Professional & scientific | 2025 |
| XLR8 Marketing Limited | Information & communication | 2010 |
| Y Ddraig Goch Energy Limited | Energy | 2021 |
| Ylarge Ltd | Real estate | 2026 |
| Zankl Ltd | Real estate | 2025 |
| Zarbo Enterprises Limited | Professional & scientific | 2018 |
| ZED3000 Ltd | Information & communication | 2026 |
| Zoeftig Group Limited | Administrative & support | 2004 |
| Zoeftig Limited | Manufacturing | 1971 |