| TAB Complete Interiors Limited | Construction | 2017 |
| Tacticaldespatch Ltd | Transport & logistics | 2024 |
| Tailor HR Ltd | Professional & scientific | 2024 |
| Takeoff Holidays Limited | Administrative & support | 2025 |
| Talent Performance Limited | Professional & scientific | 2009 |
| Tango 7 Ltd | Transport & logistics | 2025 |
| Taplin Court Residents Management Company Limited | Households | 2026 |
| Taylor Made Hair & Beauty Studio Ltd | Other services | 2025 |
| TBC Airsoft Ltd | Arts & recreation | 2024 |
| TE Hira Care Home Limited | Health & social care | 2009 |
| Techcraft Industries Mouldings Ltd | Manufacturing | 2024 |
| Technical Choice Design Limited | Extraterritorial | 2021 |
| Tennant Stays Ltd | Real estate | 2026 |
| Tennants Building Products (UK) Limited | Wholesale & retail | 1981 |
| Terraforge Executive Ltd | Professional & scientific | 2026 |
| Thai Healthy Ltd | Wholesale & retail | 2026 |
| THE Acai Stop Limited | Hospitality | 2025 |
| THE Airgun Target Company Ltd | Manufacturing | 2022 |
| THE Arden Vale Management Company Limited | Households | 1995 |
| THE Association of Local Energy Officers | Administrative & support | 2005 |
| THE Bean Mastery Ltd | Wholesale & retail | 2023 |
| THE Bidford Pet Co Ltd | Wholesale & retail | 2020 |
| THE Brass TAP Company Ltd | Wholesale & retail | 2026 |
| THE Broom Tavern Limited | Hospitality | 2013 |
| THE Cafe Azzurro Coffee Company Limited | Hospitality | 1999 |
| THE Cognitive Research Hub Limited | Health & social care | 2025 |
| THE County Register International Limited | Extraterritorial | 2023 |
| THE DEN Collective Ltd | Other services | 2020 |
| THE Framing Studio Becketts Limited | Manufacturing | 2017 |
| THE Insert Company (UK) Limited | Wholesale & retail | 2007 |
| THE JIU Jitsu Foundation Limited | Arts & recreation | 2010 |
| THE Ledger House Accountancy Ltd | Professional & scientific | 2016 |
| THE Lounge @ 26 Limited | Hospitality | 2020 |
| THE MAD Splatter Ltd | Arts & recreation | 2026 |
| THE Makeup House Ltd | Other services | 2019 |
| THE Mission Planet Ltd | Arts & recreation | 2026 |
| THE Nursery Support Network Limited | Professional & scientific | 2019 |
| THE Outdoor PIG Co Ltd | Manufacturing | 2013 |
| THE Pet Stop Alcester Ltd | Wholesale & retail | 2021 |
| THE Pets Meat Store Ltd | Manufacturing | 2017 |
| THE Praxis Partnership Limited | Professional & scientific | 2017 |
| THE Professional Matchmaker Worldwide Ltd | Other services | 2017 |
| THE Prop Hire Store Limited | Arts & recreation | 2021 |
| THE PS Events Group Limited | Arts & recreation | 2010 |
| THE Secret Aristocrat Company Limited | Manufacturing | 2018 |
| THE Secret of Time & Jewels Limited | Other services | 2023 |
| THE Sleepy Giraffe Company Ltd | Wholesale & retail | 2023 |
| THE Summerhouse Trading Company Limited | Wholesale & retail | 2010 |
| THE Throckmorton Limited | Hospitality | 2014 |
| THE Tool and Fixing Company Limited | Wholesale & retail | 1999 |
| THE Tyler-Parkes Partnership Limited | Professional & scientific | 2000 |
| THE White Room Tattoo Studio Ltd | Other services | 2016 |
| THE Wild Oven Ltd | Hospitality | 2018 |
| THE World on Horseback Ltd | Administrative & support | 2019 |
| THERAPISTS4U Limited | Other services | 2016 |
| Thesullivanco Limited | Professional & scientific | 2025 |
| Thinkingon Ltd | Professional & scientific | 2015 |
| Thomas Ballard Construction Ltd | Construction | 2018 |
| Thomas Goode & Co. Limited | Wholesale & retail | 2025 |
| Thompson Dunn Limited | Administrative & support | 1998 |
| Three Maintenance Services Limited | Administrative & support | 2007 |
| Thumbspins Ltd | Construction | 2019 |
| Thunda Global Limited | Professional & scientific | 2020 |
| Ticaga Ltd | Information & communication | 2023 |
| Time to Shine Midlands Limited | Administrative & support | 2025 |
| Time Well Lived Limited | Professional & scientific | 2025 |
| Timesquare 2000 Limited | Real estate | 1998 |
| Timlf Limited | Financial services | 2017 |
| Timlf Properties Ltd | Real estate | 2020 |
| TL Automotive Limited | Wholesale & retail | 2018 |
| TLE Engineering Ltd | Professional & scientific | 2023 |
| Toff Developments Limited | Construction | 2023 |
| Tom's Targets USA Ltd | Manufacturing | 2026 |
| Tomillie Limited | Administrative & support | 2018 |
| Tonique Well-Being Therapies Limited | Health & social care | 2021 |
| Tony Butcher Consulting Limited | Professional & scientific | 2014 |
| Tony Jopia Productions Ltd | Information & communication | 2019 |
| Top Cat Hotel Ltd | Other services | 2023 |
| Topiary Parks Limited | Real estate | 2007 |
| Toplamp (U.K.) Limited | Wholesale & retail | 1984 |
| Toplan Ltd | Financial services | 2017 |
| Topline Ventures Limited | Agriculture & fishing | 2021 |
| Tori and Co Events Ltd | Administrative & support | 2025 |
| Torpedo Studios Limited | Information & communication | 2023 |
| Touchstones Child Bereavement Support | Health & social care | 2011 |
| Tour Standard Golf Ltd | Wholesale & retail | 2011 |
| Tpms Animal Feeds Ltd | Manufacturing | 2017 |
| Transientplanet Ltd | Administrative & support | 2019 |
| Transmissions (UK) Limited | Wholesale & retail | 1999 |
| Travel Unwrapped Limited | Administrative & support | 2019 |
| TRI 4Y Ltd | Professional & scientific | 2024 |
| Trident Innovision Limited | Professional & scientific | 2022 |
| Triglyceride Education and Research Forum Limited | Professional & scientific | 2016 |
| TRS Plumbing & Heating Ltd | Construction | 2021 |
| Trust Parts Limited | Wholesale & retail | 2024 |
| Trusted Directory Services Ltd | Professional & scientific | 2014 |
| Turner Group Holdings Limited | Financial services | 2018 |
| Turner R & D Limited | Professional & scientific | 1978 |
| Tustain Builders Limited | Construction | 2009 |
| Tweddialuna Ltd | Administrative & support | 2020 |