| Teale Food Safety Ltd | Hospitality | 2025 |
| Terracotta World Ltd. | Wholesale & retail | 2013 |
| Terry Monks Pipeline Services Ltd | Construction | 2010 |
| Test Tropic Holding Company Ltd | Information & communication | 2024 |
| Textrobot Limited | Information & communication | 2024 |
| THE AI Method Ltd | Information & communication | 2026 |
| THE Art of Skin Aesthetics Limited | Other services | 2024 |
| THE Art Works (UK) Limited | Manufacturing | 2006 |
| THE Bamboo Rooms Ltd | Arts & recreation | 2021 |
| THE Beauty Rooms (Wakefield) Ltd | Other services | 2021 |
| THE Big Hoo-Ha Co Community Interest Company | Arts & recreation | 2011 |
| THE Blue Barn Limited | Wholesale & retail | 1997 |
| THE Book Shop on the Square Limited | Wholesale & retail | 2020 |
| THE Bowman Group Limited | Wholesale & retail | 2022 |
| THE Chocolate Alchemist Ltd | Manufacturing | 2024 |
| THE Coffee Wagon Ltd | Hospitality | 2025 |
| THE Cross Pipes Inn Limited | Hospitality | 2010 |
| THE Curious HOP Ltd | Wholesale & retail | 2013 |
| THE Curious Major Ltd | Administrative & support | 2022 |
| THE Edge (Oldham) Limited | Other services | 2019 |
| THE Entrepreneur Club Limited | Other services | 2022 |
| THE Entrepreneur Ecosystem Limited | Administrative & support | 2026 |
| THE Entrepreneur Festival Limited | Administrative & support | 2025 |
| THE Event Music Company Ltd | Administrative & support | 2009 |
| THE Finest Flats Company Limited | Real estate | 2001 |
| THE Fish Father Chippy Ltd | Manufacturing | 2025 |
| THE Granary Flats Management Company Ltd | Households | 2020 |
| THE Granary Rawdon Management Company Ltd | Households | 2020 |
| THE M. K. Morse Company UK Ltd | Wholesale & retail | 2022 |
| THE Motivated Learner Limited | Education | 2023 |
| THE Oaks Placencia UK Limited | Construction | 2026 |
| THE Otley 800 Peoples Tapestry CIC | Education | 2026 |
| THE PIE Collective Ltd | Hospitality | 2021 |
| THE Plot Department Ltd | Information & communication | 2026 |
| THE Property Finance Company (UK) Limited | Financial services | 2018 |
| THE Rookery Bar Ltd | Hospitality | 2018 |
| THE Roseneath Partnership Limited | Real estate | 1999 |
| THE Second World WAR Experience Centre | Education | 1998 |
| THE Sports Show Limited | Administrative & support | 2025 |
| THE Tiny Tea Room Ltd | Hospitality | 2025 |
| THE Transport Hub Ltd | Transport & logistics | 2025 |
| THE Vaults (Yorkshire) Ltd | Households | 2012 |
| THE White House Distillery Limited | Manufacturing | 2018 |
| THE Yard Gym Otley Ltd | Other services | 2022 |
| THE Yorkshire HIP and Knee Group Limited | Health & social care | 2018 |
| THE Yorkshire Marketing Company Ltd | Professional & scientific | 2015 |
| THE Yorkshire Scar Clinic Ltd | Health & social care | 2025 |
| Thedivinefeminineuk Ltd | Other services | 2021 |
| Thesan Coaching and Training Ltd | Education | 2017 |
| Thesauri Clothing Limited | Wholesale & retail | 2026 |
| Think Creative (S Morrell) Ltd | Professional & scientific | 2019 |
| Thomas Taverna Ltd | Hospitality | 2024 |
| Thompson Properties (UK) Limited | Real estate | 2003 |
| Timbra Ltd | Manufacturing | 2022 |
| Timo Limited | Construction | 2014 |
| Timothy Ventures Limited | Extraterritorial | 2021 |
| TLW Property Developments Ltd. | Construction | 2018 |
| TME Properties Limited | Construction | 2018 |
| TMS Electrical Ltd | Construction | 2011 |
| Tolf Music Ltd | Manufacturing | 2020 |
| TOM Dirom Agricultural Contractors Limited | Agriculture & fishing | 2011 |
| TOM Wray Consulting Limited | Professional & scientific | 2022 |
| Top Edge Investment Ltd | Financial services | 2024 |
| Top Floor Hair Studio Ltd | Other services | 2026 |
| Top Quality Jewellery Ltd | Wholesale & retail | 2022 |
| Topdog Excavators Ltd | Wholesale & retail | 2006 |
| Total Evolution Limited | Professional & scientific | 2011 |
| Touchstone Global Limited | Professional & scientific | 2023 |
| Trade Labels Limited | Wholesale & retail | 1988 |
| Trading Stars Ltd | Wholesale & retail | 2021 |
| Training for Change Ltd | Health & social care | 2021 |
| Transformtex Ltd | Professional & scientific | 2026 |
| Travelling Leprechauns Ltd | Administrative & support | 2025 |
| TRF Flooring Ltd | Construction | 2018 |
| Trinxa Ltd | Construction | 2022 |
| Tritanium Coaching Limited | Education | 2024 |
| Tritanium Performance Limited | Other services | 2023 |
| Trusted Opinion Ltd | Health & social care | 2022 |
| Turtle Dove Gallery Ltd | Information & communication | 2021 |
| Twisted Stitch Designs Ltd | Manufacturing | 2023 |
| Twofourfour Limited | Professional & scientific | 2011 |
| U and ME Limited | Professional & scientific | 1998 |
| U-Nu Creative Construction Toys Ltd | Manufacturing | 2016 |
| UK Economic Development Organisation Ltd | Professional & scientific | 2024 |
| UK Elite Solutions Limited | Information & communication | 2019 |
| UK Land Projects Ltd | Construction | 2019 |
| UK Solar Energy Group Limited | Energy | 2023 |
| Ukedo Limited | Professional & scientific | 2022 |
| Unique Accountants(Yorkshire) Limited | Professional & scientific | 2026 |
| Uniquely Sublime Ltd | Wholesale & retail | 2023 |
| Upmost Social Limited | Information & communication | 2020 |
| Valley Park Studios Freehold Ltd | Households | 2025 |
| Vansio Ltd | Wholesale & retail | 2025 |
| Vapours Box Otley Limited | Wholesale & retail | 2023 |
| Vaughan Design Ltd | Professional & scientific | 2014 |
| Veltika Ltd | Wholesale & retail | 2025 |
| Veranda Project Limited | Households | 2025 |
| Verbeia Consulting Limited | Information & communication | 2007 |
| Verity & Kaye (Holdings) Ltd | Financial services | 2025 |
| Victoria Jowett Homes Limited | Real estate | 2001 |