| Thryvin Ltd | Administrative & support | 2026 |
| Tiffanys Stubbington Limited | Wholesale & retail | 2016 |
| Tiffanys Wholesale Ltd | Wholesale & retail | 2013 |
| Tinbox Commercials Limited | Real estate | 2024 |
| Tm-Tec Limited | Professional & scientific | 2019 |
| Trailer Tech Specialist Services Ltd | Wholesale & retail | 2014 |
| Transport Ecology Ltd | Professional & scientific | 2022 |
| TRU Ltd | Information & communication | 2015 |
| UNG Hair and Beauty Limited | Other services | 2019 |
| Unitrecall Limited | Education | 1993 |
| Universal Tool and Production Company Limited | Manufacturing | 1986 |
| UTP Holdings Limited | Financial services | 2023 |
| Vcra Limited | Households | 1997 |
| Vibe Financial Services Ltd | Financial services | 2017 |
| Vibe Property Investments Ltd | Real estate | 2024 |
| Victoria Street Limited | Real estate | 2016 |
| Victory Mills Ltd | Professional & scientific | 2026 |
| Victory Property Holdings Ltd | Real estate | 2019 |
| Wakeham Services Limited | Education | 2018 |
| Waters Edge Residents Co. Limited | Households | 1969 |
| Wellington Court (Gosport) RTM Company Limited | Households | 2019 |
| West Lodge (Lee-On-Solent) Ltd | Real estate | 1996 |
| West Point Management Company Limited | Households | 1987 |
| Wight Court Management Limited | Households | 1998 |
| Women Shaping Property Limited | Administrative & support | 2026 |
| Wood GAS Limited | Administrative & support | 2018 |
| Wood's Surveyors Ltd. | Professional & scientific | 2006 |
| Woodland Superheroes Ltd | Wholesale & retail | 2023 |
| Woods Commercial Surveyors Ltd | Professional & scientific | 2015 |
| Wusfan Ltd | Other services | 2019 |
| Wyeth & Paul Law Associates Limited | Professional & scientific | 2023 |
| Yandiya Technologies Ltd | Professional & scientific | 2017 |
| Your Friendly Hostile Limited | Extraterritorial | 2024 |
| YT Chip Ltd | Hospitality | 2020 |