| THE Pony Club | Arts & recreation | 1995 |
| THE Pony Club Trading Limited | Education | 1996 |
| THE Portuguese Phoenix Limited | Hospitality | 2020 |
| THE Prime Realtors Limited | Real estate | 2025 |
| THE Project Hub Limited | Professional & scientific | 2012 |
| THE Recademy Ltd | Professional & scientific | 2025 |
| THE Rental Collection Limited | Real estate | 2017 |
| THE Retouchist Ltd | Professional & scientific | 2020 |
| THE Road Operators' Safety Council | Transport & logistics | 1989 |
| THE Session Data Company Ltd | Information & communication | 2026 |
| THE Slaughterhouse Brewery Limited | Manufacturing | 2003 |
| THE Soft Water Company (GB) Limited | Wholesale & retail | 2002 |
| THE SPACE-2 Group Limited | Financial services | 2018 |
| THE Square DUO Ltd | Hospitality | 2016 |
| THE Standrd Group Ltd | Other services | 2026 |
| THE Stonelight Group Ltd | Real estate | 2010 |
| THE Tanning Rooms (Nuneaton) Limited | Other services | 2018 |
| THE Terraces Barber Shop Ltd | Other services | 2018 |
| THE Terraces Clarendon Street Ltd | Other services | 2024 |
| THE Thinking Company Ltd | Professional & scientific | 2020 |
| THE Thread & Tangle Limited | Wholesale & retail | 2025 |
| THE Twisted Trailer Bar Ltd | Hospitality | 2022 |
| THE UK Comparison Service Limited | Information & communication | 2020 |
| THE UK Property Buyers Ltd | Real estate | 2017 |
| THE Vault Home Store Ltd | Wholesale & retail | 2024 |
| THE Velocity Collection Limited | Wholesale & retail | 2024 |
| THE Warwick Boat Club,Limited | Arts & recreation | 1903 |
| THE Warwick Percy Estates Community Projects Limited | Other services | 2000 |
| THE Wedding Tree Company Limited | Administrative & support | 2026 |
| THE Wharf Group Holdings Limited | Real estate | 2025 |
| THE Wheat House Ltd | Hospitality | 2022 |
| THE Wild Boar PUB Company Limited | Wholesale & retail | 2010 |
| THE Wine House Warwick Limited | Wholesale & retail | 2018 |
| Theheatexchangercompany.Co.Uk Ltd | Professional & scientific | 2017 |
| Thehideoutbarbershop Ltd | Other services | 2020 |
| Theseus Engineering Ltd | Professional & scientific | 2013 |
| Thesocialmediaacademy.Com Limited | Professional & scientific | 2015 |
| Thesuit.Uk Ltd | Wholesale & retail | 2020 |
| Thewarwickmeatco. Ltd | Wholesale & retail | 2025 |
| Thiara Properties Limited | Real estate | 2021 |
| Thimmegowda & Sons Ltd | Real estate | 2017 |
| Thirsty Pioneers Brewing Company Ltd | Manufacturing | 2018 |
| THK Digital Ltd | Information & communication | 2025 |
| THM Employment Ltd | Administrative & support | 2022 |
| Thomas & Fray Properties Ltd | Real estate | 2023 |
| Thomas King Consultancy Limited | Information & communication | 2009 |
| Thomas Potterton Limited | Professional & scientific | 1964 |
| Thomlinson Kiddle Associates Limited | Professional & scientific | 2012 |
| Thomlinson Kiddle Law Limited | Professional & scientific | 2014 |
| Thorpes Plumbing & Heating Limited | Construction | 2014 |
| Three Convent Gardens RTM Company Limited | Households | 2024 |
| Thurlaston Grange Ltd | Information & communication | 2014 |
| Thurmaston Court Management Company Limited | Households | 1972 |
| TIA Digital Ltd | Professional & scientific | 2007 |
| Tiddington Court Limited | Households | 1983 |
| Tiernan Travel Ltd | Administrative & support | 2016 |
| Tifosi Global Limited | Professional & scientific | 2015 |
| Tiga Health Limited | Wholesale & retail | 2021 |
| Tilly House Limited | Real estate | 2022 |
| TIM Warwick Properties Limited | Real estate | 2025 |
| Timbercreek Asset Management (UK) Ltd | Administrative & support | 2013 |
| Timbercreek Finance (UK) Ltd | Administrative & support | 2013 |
| Timbertecks (UK) Limited | Construction | 1997 |
| Time OUT Developments Limited | Real estate | 2021 |
| Time Shipping Services Limited | Wholesale & retail | 2017 |
| Timeedit UK Limited | Information & communication | 2022 |
| Timely Training Solutions (TTS) Ltd | Education | 2015 |
| Tinytown Nursery Limited | Education | 2003 |
| Tissa Fontaneda Retail Limited | Wholesale & retail | 2023 |
| Titania Investment Company Limited | Real estate | 2018 |
| Titans Equine Ltd | Agriculture & fishing | 2023 |
| Titans Strategic Solutions Ltd | Professional & scientific | 2024 |
| Titchmarsh Horticulture Limited | Professional & scientific | 2003 |
| TJC Performance Ltd | Wholesale & retail | 2025 |
| Tjgt Franchise Consultants Ltd | Administrative & support | 2023 |
| Tjmi Investments Limited | Real estate | 2017 |
| TKB D Ltd | Health & social care | 2025 |
| TL Shipping and Logistics Ltd | Transport & logistics | 2025 |
| TLH Rural Services Ltd | Manufacturing | 2017 |
| Tlpd Limited | Real estate | 1890 |
| Tmdk LLP | | 2020 |
| TO Nails Spa Limited | Other services | 2023 |
| Tobii Dynavox Limited | Administrative & support | 2004 |
| Tobii Pro UK Holdings Limited | Financial services | 2018 |
| Tobii UK Limited | Other services | 2008 |
| Tobl Ltd | Information & communication | 2023 |
| TOM Macleod Limited | Health & social care | 2014 |
| TOM O' the Wood PUB Company Ltd | Hospitality | 2011 |
| Tomislav Ruzman Limited | Health & social care | 2020 |
| Tommicks Ltd | Manufacturing | 2022 |
| Tomora Ltd | Real estate | 2017 |
| Tomorrow Assured Ltd | Financial services | 2019 |
| Tony G Limited | Professional & scientific | 2003 |
| Tools-Warehouse Ltd | Extraterritorial | 2012 |
| Toozmatoo Ltd | Professional & scientific | 2020 |
| Top of the Rock Tuition Ltd | Education | 2021 |
| Top Quality Ltd | Wholesale & retail | 2018 |
| Torox Machinery Limited | Administrative & support | 2013 |
| Totally Drainage Limited | Water & waste | 2021 |
| Totd Limited | Administrative & support | 2017 |