| UK & International Childcare Specialists Ltd | Administrative & support | 2003 |
| Umay Biologics Ltd | Professional & scientific | 2026 |
| Uncharted Business Ltd | Administrative & support | 2015 |
| Uncover the Past Limited | Arts & recreation | 2024 |
| Underwater Optical Systems Limited | Manufacturing | 2026 |
| Unlimited Marine Ltd | Financial services | 2023 |
| Uppercut Studios Ltd | Information & communication | 2024 |
| Urban Keep Holdings Ltd | Real estate | 2025 |
| Urentmy.Com Ltd | Administrative & support | 2025 |
| Usp-Beyond CIC | Education | 2025 |
| V-K (SW) Ltd | Construction | 2026 |
| Velocity Partners International Ltd | Professional & scientific | 2022 |
| Velocity Solutions SW Ltd | Transport & logistics | 2026 |
| Venture Fitness Newton Abbot Ltd | Arts & recreation | 2022 |
| Venture Fitness Torquay Limited | Arts & recreation | 2024 |
| Vergine's Limited | | 1980 |
| Verik Ltd | Information & communication | 2025 |
| Veritas Strategies Limited | Administrative & support | 2025 |
| Versatote Ltd | Wholesale & retail | 2025 |
| Vertinest Technologies Ltd | Professional & scientific | 2025 |
| Vertiscoot Limited | Wholesale & retail | 2023 |
| Vexed Media Limited | Arts & recreation | 2010 |
| VF Hub Limited | Other services | 2025 |
| Villa Marina (Paignton) Limited | Hospitality | 2007 |
| Vindaloo Paignton Ltd | Hospitality | 2026 |
| Vino Ventura Limited | Hospitality | 2025 |
| Violet Pathways CIC | Health & social care | 2024 |
| Vision 39 Ltd | Information & communication | 2020 |
| Vortex VFX Ltd | Information & communication | 2014 |
| VS Express Ltd | Extraterritorial | 1990 |
| Vtec Lasers & Sensors Ltd. | Information & communication | 2011 |
| Vtec Photonics Ltd | Manufacturing | 2022 |
| W12 Watches Ltd | Wholesale & retail | 2021 |
| Waggy Trails Ltd | Arts & recreation | 2022 |
| Wakeham Asbestos Services Limited | Water & waste | 2013 |
| Wakely Co Ltd | Information & communication | 2025 |
| Walnut Deli Ltd | Hospitality | 2026 |
| Waltons Cleaning Services Limited | Hospitality | 2018 |
| Warren Bridge Dawlish Ltd | Hospitality | 2026 |
| Warron Management Limited | Construction | 2022 |
| Wash and Fold Ltd | Other services | 2026 |
| Waterfall Network Ltd | Information & communication | 2023 |
| Waterside Grill House Ltd | Hospitality | 2021 |
| Waterside Kebab House Ltd | Hospitality | 2018 |
| WB Systems Ltd | Information & communication | 2025 |
| WBD Limited | Construction | 2025 |
| WE Need Music CIC | Education | 2020 |
| Wedlake Mews Management Company Limited | Households | 2003 |
| Wellguided Academy Ltd | Education | 2025 |
| Wellguided Limited | Other services | 2021 |
| WEMBLEY23 Sporting Ltd | Arts & recreation | 2021 |
| West Country Photo Booths Ltd | Administrative & support | 2024 |
| West Country Wetsuits Ltd | Administrative & support | 1979 |
| Westco Construction Ltd | Construction | 2021 |
| Westco Investments Limited | Real estate | 2024 |
| Westco Resources Limited | Administrative & support | 2021 |
| Westcountry Dental Crafts (Laboratory) Limited | Health & social care | 2003 |
| Weybridge (Chiltern) Limited | Hospitality | 2004 |
| Weybridge (Lansdowne) Limited | Hospitality | 2005 |
| Whatman Roofing Ltd | Construction | 2023 |
| Wheel Arch Limited | Real estate | 2018 |
| Whitehill Removals & Storage Ltd | Water & waste | 2024 |
| Whiterock Systems Limited | Information & communication | 2019 |
| Whitford Enterprises Ltd | Information & communication | 2024 |
| Widdicombe Property Limited | Real estate | 2012 |
| Wilde Property Management Ltd | Real estate | 2025 |
| Wilding Motors Limited | Wholesale & retail | 2011 |
| Will DO Ltd | Construction | 2024 |
| Wilson PYM MAY Limited | Information & communication | 2006 |
| Windy Oaks Ltd | Arts & recreation | 2023 |
| Winfields Block Management Limited | Real estate | 2021 |
| Winfields Sales & Lettings Limited | Real estate | 2009 |
| Winfields Surveyors Ltd | Other services | 2022 |
| Wing Wing Holdings London Ltd | Hospitality | 2020 |
| Wing Wing International UK Ltd | Hospitality | 2016 |
| Wing Wing Jacuna Limited | Hospitality | 2023 |
| Wing Wing Operations UK Ltd | Hospitality | 2020 |
| Winter Building Services Limited | Professional & scientific | 2020 |
| Wired Campers Limited | Wholesale & retail | 2021 |
| Wise OWL Holdings Limited | Financial services | 2023 |
| Withstand Solutions International Holdings Limited | Wholesale & retail | 2021 |
| WK Food 361 Limited | Hospitality | 2020 |
| Woodcroft Management Company (Crapstone) Limited | Households | 2011 |
| Woodford Select Ltd | Wholesale & retail | 2026 |
| Woodlab Studio Limited | Manufacturing | 2022 |
| Woodland Glade Limited | Households | 2000 |
| Woody's Lettings Ltd | Real estate | 2025 |
| Woolf IT Services Ltd | Information & communication | 2015 |
| Working for Good (Communities) C.I.C. | Health & social care | 2014 |
| World Beads ETC Limited | Wholesale & retail | 2021 |
| Wrapworx Ltd | Other services | 2013 |
| Wynncroft Holiday Flats Limited | Real estate | 2024 |
| X Electrical Contractors Ltd | Construction | 2025 |
| X4 Landscapes Limited | Administrative & support | 2011 |
| Xcite Developments Limited | Information & communication | 2006 |
| Xclusive Fitness Ltd | Arts & recreation | 2021 |
| XL Biomass Limited | Construction | 2015 |
| XL Fuels Limited | Energy | 2014 |
| XL Future Coatings Limited | Construction | 2015 |
| XL Future Solutions Limited | Construction | 2015 |