| Westaway Claim Services Ltd. | Financial services | 2013 |
| Westcon Investments Limited | Real estate | 2017 |
| Westcountry Fabrication Limited | Manufacturing | 2015 |
| Westcountry Recycling Ltd | Extraterritorial | 2009 |
| Westcountry Skip Hire Ltd | Extraterritorial | 2009 |
| Westcountry Woodland and Tree Management Ltd | Agriculture & fishing | 2019 |
| Western Ecology Limited | Professional & scientific | 2016 |
| Wetland Habitats Ltd | Construction | 2023 |
| Whole Body Osteopathy Ltd | Health & social care | 2018 |
| Wicked Pickle Ltd | Other services | 2021 |
| Wildman Construction & Property Management Ltd | Construction | 2021 |
| Wildman Properties SW Ltd | Real estate | 2024 |
| Will Russell Limited | Real estate | 2023 |
| Will Simpson Services Ltd | Construction | 2022 |
| Williams Crawford Limited | Wholesale & retail | 2011 |
| Williams Crawford Restorations Limited | Wholesale & retail | 2020 |
| Windy Ridge Cornwall Ltd | Hospitality | 2025 |
| Wintersett Ltd | Professional & scientific | 2007 |
| Woodacre Court Limited | Administrative & support | 2009 |
| Woodland Ceramics Limited | Construction | 2019 |
| Woolway LEE and Partners Limited | Professional & scientific | 2018 |
| Worden Homes Limited | Construction | 2025 |
| WR Plumbing and Heating Ltd | Construction | 2015 |
| Write to BE Heard Ltd | Information & communication | 2020 |
| Xcel Bricklayers Limited | Construction | 2017 |
| YEO & Co Plumbing and Heating Ltd | Construction | 2020 |
| YKP Strategic Limited | Professional & scientific | 2023 |
| Young Gingers Limited | Financial services | 2023 |
| Youngs Car Body Repairs Ltd | Wholesale & retail | 2016 |
| Yourfinagent Limited | Information & communication | 2025 |
| ZAW Ltd | Real estate | 2022 |
| Zennor Clinical Ltd | Health & social care | 2024 |
| Zero Gravity Know NO Limits Ltd | Arts & recreation | 2025 |
| Zinn Corp Ltd | Financial services | 2025 |