| THE Joinery Hub Limited | Administrative & support | 2023 |
| THE Kate Project CIC | Arts & recreation | 2025 |
| THE Literary Candle Company Ltd | Extraterritorial | 2023 |
| THE Little Craft House Ltd | Wholesale & retail | 2020 |
| THE Love Apple Cafe-Bar Company (Saltaire) Limited | Hospitality | 2026 |
| THE Luxe Weddings Ltd | Professional & scientific | 2025 |
| THE Margaret Carey Foundation Ltd | Health & social care | 2009 |
| THE Memory Tree C.I.C. | Health & social care | 2012 |
| THE Nail House Shipley Limited | Other services | 2026 |
| THE Natural Salesperson Ltd | Professional & scientific | 2023 |
| THE Office Interiors Group Ltd | Wholesale & retail | 2024 |
| THE Old School Building Company Limited | Arts & recreation | 2019 |
| THE One Stop Bathroom Shop Limited | Wholesale & retail | 2015 |
| THE Optical Shop (West) Dormant Limited | Professional & scientific | 1991 |
| THE Orange Grove Saltaire Limited | Wholesale & retail | 2018 |
| THE Other Person Consultancy Ltd | Information & communication | 2002 |
| THE Peace Artistes CIC | Arts & recreation | 2024 |
| THE Peace Museum | Arts & recreation | 1996 |
| THE People Powered Press CIC | Arts & recreation | 2020 |
| THE Performing Office Ltd. | Arts & recreation | 2011 |
| THE Professionals Hair and Beauty Salon Limited | Other services | 2021 |
| THE Rizues Limited | Wholesale & retail | 2001 |
| THE Rustic Route Limited | Manufacturing | 2025 |
| THE Shoulder of Mutton (Middleton Tyas) Limited | Hospitality | 2025 |
| THE Space Co-Op Limited | Real estate | 2013 |
| THE Sporty Girls Project Ltd | Education | 2025 |
| THE Strand Hairdressing Limited | Other services | 2005 |
| THE Terrace Cafe Bar Ltd | Hospitality | 2011 |
| THE Tres Salon Limited | Other services | 2026 |
| THE Village After School Provision Ltd | Education | 2025 |
| THE Walk in Bath Co Limited | Households | 2018 |
| THE Wealth Management Group LLP | | 2007 |
| THE Weaving Shed Ltd | Hospitality | 2015 |
| THE Wild Workplace Limited | Professional & scientific | 2015 |
| THE Woolpack Esholt Limited | Hospitality | 2024 |
| THE Yard Equine Limited | Wholesale & retail | 2019 |
| THE Yorkshire Celebrant Ltd | Professional & scientific | 2025 |
| THE Yorkshire Flea Limited | Wholesale & retail | 2016 |
| Thefairytaleevents Limited | Other services | 2018 |
| Thestrikingopulence Limited | Wholesale & retail | 2022 |
| Theteacakery Limited | Manufacturing | 2024 |
| Third AGE Therapeutics Limited | Other services | 2024 |
| Thompson Davis & Co. Limited | Transport & logistics | 1962 |
| Thorondor Ltd | Wholesale & retail | 2023 |
| Threesixty Contracting Limited | Construction | 2022 |
| Thurnscoe Radiological Imaging Services Ltd | Health & social care | 2023 |
| Tile & Bathroom Showrooms Limited | Construction | 2020 |
| TIM Orrell Associates Ltd | Professional & scientific | 2021 |
| TIME2RESOURCES Limited | Education | 2008 |
| Timezone Ltd | Wholesale & retail | 2024 |
| Tinkpac Ltd | Administrative & support | 2018 |
| Tiptag Limited | Information & communication | 2023 |
| Titanium Treasure Limited | Wholesale & retail | 2019 |
| Titus Travel Limited | Wholesale & retail | 2018 |
| Titus Vaults Ltd | Administrative & support | 2025 |
| Titus Vaults Safe Deposits Limited | Administrative & support | 2025 |
| TK Barbers (Shipley) Ltd | Other services | 2025 |
| TKD Developments Limited | Real estate | 2021 |
| Tmhl Limited | Hospitality | 2025 |
| Tnic Limited | Hospitality | 2020 |
| TOE by TOE Ltd | Information & communication | 2013 |
| Together in Social Care CIC | Education | 2026 |
| Tokenetic Ltd | Information & communication | 2024 |
| Tomes Trim Salon Ltd | Wholesale & retail | 2026 |
| Tony DIX Ltd | Professional & scientific | 2010 |
| Top Gear Vehicles Ltd | Other services | 2023 |
| Top Notch Bullion Limited | Wholesale & retail | 2025 |
| Top Sports Gear Ltd | Wholesale & retail | 2018 |
| Total Car Care Limited | Wholesale & retail | 2013 |
| Total Developments (Yorkshire) Limited | Construction | 2016 |
| Touchwood Properties ( BFD ) Ltd | Real estate | 2008 |
| Toulmin Limited | Construction | 2002 |
| Tracie & Anthony Druce Consulting Limited Partnership | | 2018 |
| Track Seven Ltd | Information & communication | 2013 |
| Trade Centric Limited | Wholesale & retail | 2025 |
| Training in Mind Ltd | Education | 2026 |
| Transeo Media Limited | Information & communication | 2009 |
| Transform Talking Therapy Ltd | Health & social care | 2023 |
| Transpennine Estates Limited | Real estate | 2012 |
| Transpennine Holdings Limited | Real estate | 2012 |
| Transpennine Projects Limited | Real estate | 2012 |
| Transpire Consult Ltd | Professional & scientific | 2025 |
| Travel With Michelle Ltd | Administrative & support | 2023 |
| Travel Xpress Ltd | Transport & logistics | 2006 |
| Travelling Wolf Productions Ltd | Information & communication | 2023 |
| Travelxpress Huddersfield Ltd | Transport & logistics | 2012 |
| Trawden Engineering Solutions Ltd | Manufacturing | 2022 |
| Trawden Furniture Limited | Wholesale & retail | 2003 |
| Treasure Turnover Ltd | Wholesale & retail | 2026 |
| Tribeca Ventures Ltd | Wholesale & retail | 2025 |
| Trifecta Live Limited | Real estate | 2026 |
| Truffle Properties Limited | Real estate | 2008 |
| Truscan Civils Ltd | Construction | 2022 |
| Truth BE Told Limited | Wholesale & retail | 2013 |
| TS & Sons LLP | | 2016 |
| TSC Engineering Limited | Professional & scientific | 2003 |
| Tslh Group Investments Ltd | Financial services | 2025 |
| TTC Supply Ltd | Manufacturing | 2025 |
| Ttclabs Ltd | Health & social care | 2025 |
| TTM P&C Ltd | Administrative & support | 2025 |