| THE Stopover Stoford Limited | Hospitality | 2025 |
| THE Vault - Sound & Style Ltd | Wholesale & retail | 2019 |
| THE Wedgwood Wellbeing CIC | Education | 2026 |
| THE Wells Window Cleaning Company Ltd | Administrative & support | 2018 |
| THE Whitmarsh Family Company Limited | Financial services | 2021 |
| THE Windermere Collection Ltd | Wholesale & retail | 2026 |
| Theatre Uncut Productions | Arts & recreation | 2016 |
| Think Bigger Consultants Ltd | Professional & scientific | 2016 |
| Third Island Limited | Construction | 2012 |
| Thirty Stories Limited | Professional & scientific | 2023 |
| Thistledown Farm Meadow Limited | Agriculture & fishing | 2021 |
| Thompson & West Holdings Ltd | Financial services | 2017 |
| Thorner's Veal Limited | | 1968 |
| Thornycroft Builders Ltd | Construction | 2012 |
| Thornycroft Consultancy Limited | Professional & scientific | 2023 |
| Thornycroft Developments Limited | Construction | 2021 |
| Thornycroft Group Limited | Financial services | 2018 |
| Thornycroft Property Limited | Construction | 2011 |
| Threlfalls Land Services Limited | Administrative & support | 2019 |
| Tiddle Brook Renewables Limited | Energy | 2025 |
| TIDE2YOU Ltd | Wholesale & retail | 2025 |
| Tidy Designs Limited | Construction | 2025 |
| Tiger Works DDR Ltd | Manufacturing | 2019 |
| Timbersource Limited | Wholesale & retail | 2000 |
| TKD and Daughters Limited | Real estate | 2025 |
| TOA Innovation (UK) Limited | Wholesale & retail | 2022 |
| Tolfree Holdings Limited | Financial services | 2020 |
| Tolfree Properties (SW) Limited | Real estate | 1981 |
| Tollgate, Tantara and Shepherd Ltd | Administrative & support | 2025 |
| TOM Pope Limited | Construction | 2020 |
| Tom's Camera Services Limited | Professional & scientific | 2015 |
| Tondo Kusina Ltd | Hospitality | 2023 |
| TOR Sales Ltd | Wholesale & retail | 2012 |
| Total Wheel Alignment Ltd | Wholesale & retail | 2013 |
| Totally TOM Films Ltd | Information & communication | 2019 |
| Tower View Management Company Limited | Households | 2004 |
| Town Farm Lane Solar Park Limited | Energy | 2020 |
| Training & Development Consultants Ltd | Administrative & support | 2003 |
| TRAINING4YOU Limited | Education | 2022 |
| Traminco Services Ltd | Administrative & support | 2023 |
| Trans-Trooper Ltd | Transport & logistics | 2015 |
| Transport for ALL | Health & social care | 1997 |
| Trattoria Amalfi Ltd | Hospitality | 2025 |
| Travelword Limited | Professional & scientific | 2000 |
| Tree Tops Glamping Ltd | Hospitality | 2025 |
| Treebor Ltd. | Administrative & support | 2011 |
| Tribal Gym Ltd | Arts & recreation | 2024 |
| TRICEO1 Limited | Professional & scientific | 2011 |
| Trinpost Limited | Real estate | 1999 |
| Triple C Drive Ltd | Education | 2026 |
| Triskeles Limited | Wholesale & retail | 2024 |
| Trix Medic Services Ltd | Education | 2021 |
| Truckfit Ltd | Extraterritorial | 2025 |
| Trust Events Ltd | Arts & recreation | 2002 |
| Trusthart Limited | Households | 1978 |
| Trybull Cleaning Ltd | Administrative & support | 2022 |
| Twenty Two GT Consulting Limited | Professional & scientific | 2021 |
| TWH Built Ltd | Construction | 2021 |
| Two Counties Rail Ltd | Professional & scientific | 2025 |
| TX Films Ltd | Information & communication | 2014 |
| Ubique Paramus Ltd | Health & social care | 2025 |
| Ucostmanagement Limited | Administrative & support | 2025 |
| Udderwise Limited | Professional & scientific | 2015 |
| Unilon Nominees Limited | Professional & scientific | 1981 |
| Unwind Camping Limited | Hospitality | 2025 |
| Upton Noble Garage Limited | Wholesale & retail | 2000 |
| Urson Ltd | Health & social care | 2022 |
| Vaavix Technologies Limited | Information & communication | 2025 |
| Vale View Forge Ltd | Agriculture & fishing | 2026 |
| Valentine Endeavour Ltd | Arts & recreation | 2024 |
| Valley Home Improvements Ltd | Construction | 2009 |
| Valmar Pallets Limited | Manufacturing | 1998 |
| Value Passive House Limited | Real estate | 2020 |
| Velodrome Shop Limited | Wholesale & retail | 2011 |
| Velodrome-Sts Limited | Wholesale & retail | 2009 |
| Velvet Shade Ltd | Wholesale & retail | 2023 |
| Venture Plus Consulting Limited | Professional & scientific | 2014 |
| Vergegroundsmaintenance Ltd | Administrative & support | 2023 |
| Verhuizingen Poelman Ltd | Transport & logistics | 2022 |
| Videotech Limited | Administrative & support | 2025 |
| Vineyard Indulgencies Ltd | Wholesale & retail | 2026 |
| Visani Limited | Wholesale & retail | 2019 |
| Vision Perfect Limited | Extraterritorial | 1992 |
| Vital Pulse Solutions Ltd | Information & communication | 2025 |
| VKB Electro Ltd | Construction | 2026 |
| VMR Publicity Limited | Manufacturing | 1998 |
| Voila Pure Limited | Health & social care | 2019 |
| Voltadoorz Limited | Manufacturing | 2026 |
| W T Electrical Services Ltd | Professional & scientific | 2013 |
| W.Rolls Limited | Transport & logistics | 1963 |
| Waafi Ltd | Financial services | 2023 |
| Waddon Farm Limited | Agriculture & fishing | 1960 |
| Walbert Ltd | Real estate | 2024 |
| Walnut Park Property Limited | Real estate | 2018 |
| Walsingham Clinic Limited | Health & social care | 2015 |
| Walton Civil Engineering and Surfacing Contractors Limited | Construction | 1997 |
| Walton Trustees Limited | Financial services | 2021 |
| Wanderlands Europe Limited | Professional & scientific | 2025 |
| Wanstrow Village Hall | Arts & recreation | 2009 |
| Warner Young Management Limited | Arts & recreation | 2014 |