| Waine Company Limited | Extraterritorial | 2020 |
| Wall Printer UK Limited | Construction | 2018 |
| Waltons Valley Ltd | Hospitality | 2025 |
| Ward & Co Consultants Limited | Professional & scientific | 2022 |
| Wardle Farriery Ltd. | Other services | 2012 |
| Washandmow Ltd | Administrative & support | 2025 |
| Wasteworx Limited | Construction | 2015 |
| Watercare Systems Ltd. | Manufacturing | 1999 |
| Waterfront Homes (1998) Ltd | Construction | 2016 |
| Watkins Heating Ltd | Construction | 2026 |
| Watson Labs Ltd | Information & communication | 2025 |
| Wave's JP Ltd | Hospitality | 2025 |
| Waymakers Devon Community Interest Company | Education | 2020 |
| WCS 888 Consultancy Ltd | Other services | 2026 |
| WD Consultants Limited | Real estate | 2001 |
| WD Farm Consultants Ltd | Professional & scientific | 2017 |
| WD Farming Limited | Construction | 2012 |
| WD Training Limited | Other services | 2012 |
| WE LET ANY Room Limited | Real estate | 2023 |
| Webbers Portmore Limited | Arts & recreation | 1950 |
| Webbers Property Services Limited | Real estate | 1994 |
| Webster Business Services Ltd | Administrative & support | 2018 |
| WEE Pilchard Limited | Information & communication | 2022 |
| Welburn Marketing Co. Ltd | Professional & scientific | 2024 |
| Wellrun Limited | Real estate | 2005 |
| Wessex Tree Surgeons Limited | Agriculture & fishing | 1996 |
| West Beach 2 RTM Company Limited | Households | 2019 |
| West Buckland Activities Limited | Wholesale & retail | 1990 |
| West Buckland International Limited | Real estate | 2020 |
| West Country Property Lettings Limited | Real estate | 1996 |
| West Devon Portfolio Limited | Construction | 2002 |
| West END Administration Limited | Households | 2012 |
| West of England Fire Protection Limited | Public administration | 2000 |
| West View Court Management (Barnstaple) Limited | Households | 2005 |
| Westacombe Barns Drainage Management Limited | Water & waste | 1994 |
| Westaway Property Limited | Real estate | 2018 |
| Westbeach 1 RTM Company Limited | Households | 2019 |
| Westbourne Villas (Ilfracombe) Management Limited | Households | 2005 |
| Westcott Barton Activities Limited | Other services | 2018 |
| Westcott Barton Events Limited | Other services | 2018 |
| Westcott Barton Holdings Limited | Other services | 2003 |
| Westcott Barton Leisure Limited | Administrative & support | 2003 |
| Westcountry Foot Trimming Ltd | Professional & scientific | 2014 |
| Westcountry Leisure Services Limited | Manufacturing | 2021 |
| Westcountry Scaffolding 2 Limited | Construction | 2013 |
| Westcountry Spas LLP | | 2024 |
| Westforde Consult Ltd | Professional & scientific | 2026 |
| Westward Atlantic Ltd | Extraterritorial | 2020 |
| West’S Estate (Land Holding) Limited | Financial services | 2025 |
| Wheel Easy Ltd | Wholesale & retail | 2023 |
| Wheels of Ananda CIC | Health & social care | 2023 |
| Whiddon Wagon 1 Limited | Hospitality | 2018 |
| White Lake Property Limited | Real estate | 2023 |
| White Surveyors Limited | Professional & scientific | 2019 |
| Whitfields Tattoo Co Ltd | Manufacturing | 2022 |
| Wholelife Farm Limited | Education | 2022 |
| Wick House Devon Limited | Hospitality | 2023 |
| Wicks Brew Co Limited | Manufacturing | 2024 |
| Wicks Hold Co Limited | Financial services | 2024 |
| Wicks Prop Co Limited | Construction | 2024 |
| Wicks PUB Co Limited | Hospitality | 2024 |
| Widemouth Housing Limited | Health & social care | 2020 |
| Wild Sustainable Projects Limited | Hospitality | 2024 |
| Wild Within Wellbeing C.I.C. | Other services | 2025 |
| William C. Hockin (Transport) Limited | Wholesale & retail | 1980 |
| Williams Arms (Devon) Limited | Hospitality | 1976 |
| Willingcott Estates 2025 Limited | Hospitality | 2025 |
| Willow Tree Court Management Company (Barnstaple) Limited | Professional & scientific | 2010 |
| Willowbrook Developments Limited | Construction | 2007 |
| Wilson Leisure Developments Limited | Hospitality | 2003 |
| Wiltshire Farm Foods | | 1993 |
| Wing Fong (Vicarage) Limited | Hospitality | 2019 |
| Winsome Homes Ltd | Hospitality | 2025 |
| Winston House Management Company (South Molton) Limited | Households | 1979 |
| Winston James Construction Ltd | Construction | 2022 |
| Wish Utilities Limited | Energy | 2021 |
| WIT Holdings Limited | Financial services | 2018 |
| Withers Electrical Services Ltd | Construction | 2024 |
| Witon Engineering Limited | Manufacturing | 1993 |
| Wlms Trading Ltd | Professional & scientific | 2024 |
| Wonderbox (SW) Limited | Other services | 2015 |
| Woodblock Music Limited | Arts & recreation | 2014 |
| Wooden Path Limited | Other services | 2019 |
| Wooder Wharf (2024) Limited | Households | 2024 |
| Woodfield Financial Solutions Limited | Other services | 2003 |
| Woodstock Windows Limited | Administrative & support | 1986 |
| Woodward Smith Chartered Architects LLP | | 2016 |
| Woody Bay Enterprises Ltd | Hospitality | 2013 |
| Woolacombe Bay Holiday Village Limited | Hospitality | 1984 |
| Woolacombe Bay Hotel Limited(The) | Hospitality | 1978 |
| Woolacombe Lakes Ltd | Agriculture & fishing | 2021 |
| Woollacott Roofing Limited | Construction | 2012 |
| Works Scaffolding Ltd | Construction | 2024 |
| World E Zone Ltd | Administrative & support | 2015 |
| World Inspired Limited | Hospitality | 2007 |
| Wrights Care Farm Community Interest Company | Health & social care | 2024 |
| WS Chartered Architects Ltd | Professional & scientific | 2023 |
| Wudwurx Joinery Ltd | Wholesale & retail | 2017 |
| Wwdp Ltd | Arts & recreation | 2011 |
| WWX Construction Limited | Construction | 2016 |