| Tilefield Nature CIC | Education | 2025 |
| TLC Build Solutions Ltd | Construction | 2026 |
| Tony Huntbach Ltd | Professional & scientific | 2019 |
| Topi Medical Services Limited | Health & social care | 2022 |
| TRT HR M&A Ltd | Professional & scientific | 2024 |
| TU Meke Leisure Ltd | Wholesale & retail | 2022 |
| Tugboat Homes Limited | Real estate | 2025 |
| Turbyn Investments Ltd | Energy | 2018 |
| Underhill Investment Holdings Limited | Financial services | 2023 |
| Utopia World Bioenergy (UK) Limited | Professional & scientific | 2026 |
| Vail Homes Ltd | Construction | 2017 |
| Verntex Limited | Professional & scientific | 2018 |
| Viklari Consulting Limited | Professional & scientific | 2021 |
| Village VEG Limited | Wholesale & retail | 2008 |
| Vintage Tyre Supplies Limited | Wholesale & retail | 1962 |
| W.B.S Global Ltd | Professional & scientific | 2019 |
| Warwick Norton Ltd | Professional & scientific | 2008 |
| Waterpool Limited | Real estate | 2002 |
| Wessex Education Shared Services Limited | Education | 2012 |
| Wessex Portfolios Ltd | Real estate | 1999 |
| Westbeams Tree Care Limited | Agriculture & fishing | 2015 |
| Westhurst Management (Branksome Park) Limited | Real estate | 2000 |
| Whitemoor Consultancy Limited | Professional & scientific | 2016 |
| Wildeducation CIC | Education | 2025 |
| Woburn Hill Nursery Limited | Wholesale & retail | 1997 |
| Y Pearcy Limited | Administrative & support | 2004 |
| Yacht Connections Limited | Administrative & support | 1990 |
| Yacht Solutions Ltd | Professional & scientific | 2017 |
| Yoak Limited | Education | 2024 |
| Your Padel Store Ltd | Wholesale & retail | 2025 |