| Tiny World Games Ltd | Extraterritorial | 2024 |
| TJ Training Solutions Ltd | Education | 2024 |
| TJF Traders Ltd | Wholesale & retail | 2022 |
| TL Nails Spa Ltd | Other services | 2026 |
| TM Sunbeds Limited | Manufacturing | 2024 |
| TOE Business Limited | Professional & scientific | 2023 |
| TOM Clinch Exclusive Ltd | Wholesale & retail | 2018 |
| Tomno Pubs Ltd | Hospitality | 2022 |
| Tony and Johnny Ltd | Hospitality | 2024 |
| Tootifrooti Ltd | Other services | 2025 |
| Top Yacht Sailing Limited | Transport & logistics | 2010 |
| Total 24 Seven Limited | Hospitality | 2016 |
| Total Appliance Repair Ltd | Manufacturing | 2012 |
| Total Decorators Limited | Construction | 2009 |
| Tower Assets Limited | Real estate | 2003 |
| Tower Scaffold + Safety Netting Southern Limited | Construction | 2025 |
| Transform Life Ltd | Health & social care | 2025 |
| Tribal Impact Ltd | Information & communication | 2015 |
| Trivexa Enterprises Limited | Professional & scientific | 2021 |
| Tudo T/A Banh TRA Ltd | Hospitality | 2025 |
| Tudor and Caxton House Limited | Households | 2019 |
| Tudor Rose Clothing Ltd | Wholesale & retail | 2018 |
| Turbulent Simulations Limited | Information & communication | 2014 |
| Turn the Page Finance Limited | Financial services | 2025 |
| Tyco Hire Limited | Professional & scientific | 2014 |
| TYS Salon Limited | Other services | 2013 |
| UK Extra Ltd | Wholesale & retail | 2019 |
| UK Pizza & Kebab House Limited | Hospitality | 2023 |
| Uk&Usa Food Limited | Hospitality | 2026 |
| Ukdentech Limited | Health & social care | 2012 |
| Ukdentech Services Limited | Manufacturing | 2019 |
| Ultima Media Services Limited | Information & communication | 2023 |
| Ultimax Components Limited | Professional & scientific | 2002 |
| Ultramassive Media Ltd | Wholesale & retail | 2021 |
| Ultramed Imaging Ltd | Health & social care | 2025 |
| Umoja Limited | Health & social care | 2019 |
| Un-Deniable Ltd | Other services | 2025 |
| Unbeatable Buys Ltd | Wholesale & retail | 2018 |
| Uniguard Fire Protection Limited | Wholesale & retail | 1999 |
| Unipro Digital Limited | Information & communication | 2016 |
| Unipro Holdings Limited | Professional & scientific | 2010 |
| Unipro Limited | Information & communication | 1997 |
| Unique Groundworks Solutions Ltd | Construction | 2019 |
| V and M Clothing Ltd | Wholesale & retail | 2025 |
| VAI CAD Service Ltd | Professional & scientific | 2024 |
| Vandapower Limited | Wholesale & retail | 1971 |
| Vape City Havant Ltd | Wholesale & retail | 2024 |
| Vape Town 37 Ltd | Wholesale & retail | 2026 |
| Vaspian Property Services Ltd | Administrative & support | 2025 |
| Vegeco Group Limited | Financial services | 2021 |
| Vegeco Limited | Wholesale & retail | 2006 |
| Verevo Assets Limited | Construction | 2012 |
| Verevo Limited | Professional & scientific | 2012 |
| Verevo Solutions Limited | Real estate | 2015 |
| Verto People Group Ltd | Financial services | 2025 |
| Verto People Ltd | Administrative & support | 2020 |
| Vibe UK Group Limited | Administrative & support | 2019 |
| Vickers Building Design Limited | Professional & scientific | 2020 |
| Vickers Capital Limited | Real estate | 2015 |
| Vickers Contractors Limited | Construction | 2020 |
| Vickers Defence Limited | Manufacturing | 2020 |
| Vickers Energy Limited | Manufacturing | 2020 |
| Vickers Group Limited | Real estate | 2020 |
| Vickers Industry Limited Limited | Professional & scientific | 2020 |
| Vickers Investments Limited | Financial services | 2020 |
| Vickers Legal Services Limited | Professional & scientific | 2020 |
| Vickers Marine Limited | Manufacturing | 2020 |
| Vickers Plant and Equipment Limited | Manufacturing | 2020 |
| Vickers Securities Limited | Real estate | 2016 |
| Vickers Shipping Limited | Transport & logistics | 2020 |
| Vickers Shipyard Limited | Manufacturing | 2020 |
| Vickers Solent Developments Limited | Real estate | 2020 |
| Vickers Solent Estates Limited | Real estate | 2020 |
| Vickers Solent Holdings Limited | Construction | 2024 |
| Vickers Solent Hotel Limited | Real estate | 2020 |
| Vickers Solent Investments Limited | Real estate | 2020 |
| Vickers Solent Limited | Real estate | 2020 |
| Vickers Solent Properties Limited | Real estate | 2020 |
| Vickers Solent Shipyard Limited | Real estate | 2020 |
| Vickers Southern Enterprises Limited | Professional & scientific | 2020 |
| Vickers Studio Ltd | Professional & scientific | 2014 |
| Vickers Supermarine Group Limited | Manufacturing | 2020 |
| Vickers Supermarine Holdings Limited | Real estate | 2020 |
| Vickers Supermarine Maritime Limited | Manufacturing | 2020 |
| Victoria Louise Group Ltd | Other services | 2026 |
| Vikos Limited | Manufacturing | 1998 |
| Volts Machine Limited | Wholesale & retail | 2020 |
| Voltworks Electrical Ltd | Construction | 2026 |
| Vortex Express Ltd | Transport & logistics | 2024 |
| Vycrux Ltd | Information & communication | 2025 |
| Walker Car Sales Limited | Wholesale & retail | 2025 |
| Warblington Lodge Management Company Limited | Administrative & support | 1987 |
| Warriorsgymhavant Ltd | Arts & recreation | 2024 |
| Wartsila Defence Solutions Ltd | Manufacturing | 2020 |
| Warwood Lamination Limited | Manufacturing | 2024 |
| Waterlooville PO Ltd | Wholesale & retail | 2017 |
| Watersway Ltd | Real estate | 2025 |
| Watersync Ltd | Professional & scientific | 2019 |
| Watts Carpentry Services Ltd | Manufacturing | 2023 |
| WE Clean Wedding Dresses Ltd | Administrative & support | 2023 |