| Sycamore Property Rentals Limited | Real estate | 2021 |
| Sykes Electrical Services Limited | Administrative & support | 2009 |
| SYM Healthcare Ltd | Health & social care | 2022 |
| Syntax Ltd | Information & communication | 2020 |
| T & N Beds Limited | Manufacturing | 2020 |
| T&D Holdings Limited | Financial services | 2021 |
| T&Sons Maufacturing Ltd | Manufacturing | 2023 |
| T.E.D. Engineering Ltd | Construction | 2002 |
| T.W. Mercedes Commercials Limited | Wholesale & retail | 1999 |
| Tadis Enterprise Ltd | Wholesale & retail | 2023 |
| TAG Building Contractors Ltd | Construction | 2022 |
| TAG Group Facilities Ltd | Construction | 2024 |
| Tailored Sleep Ltd | Wholesale & retail | 2026 |
| Talk Direct (Leeds) Ltd | Information & communication | 2006 |
| Talk Smart Limited | Wholesale & retail | 2015 |
| Tante GAS Plumbing & Heating Ltd | Construction | 2020 |
| Tariq Hussain Limited | Wholesale & retail | 2007 |
| Tasak Properties Ltd | Real estate | 2020 |
| Tawakal Ventures Limited | Extraterritorial | 2011 |
| Taxconsults Accountants Ltd | Professional & scientific | 2024 |
| Taxing Times Ltd | Professional & scientific | 2019 |
| Tayabah Investments Limited | Real estate | 2026 |
| Taylor Caponi Limited | Wholesale & retail | 2025 |
| Taylor Smith (Holdings) Limited | Financial services | 2024 |
| Taylor Smith Fabrications Limited | Manufacturing | 2006 |
| Tayyar Travels Ltd. | Transport & logistics | 2012 |
| TD Forecourts Ltd | Wholesale & retail | 2024 |
| TD Holdings Ltd | Professional & scientific | 2016 |
| TDL Property Solutions Ltd | Real estate | 2016 |
| Tdnz Coffee Ltd | Hospitality | 2019 |
| Tdnz Investment Group Ltd | Wholesale & retail | 2017 |
| Tech Training Yorkshire Ltd | Education | 2025 |
| Techalpha Ltd | Information & communication | 2026 |
| Technique Design Limited | | 1988 |
| Techpulse.Im Ltd | Information & communication | 2025 |
| Tenantio Ltd | Professional & scientific | 2025 |
| Terpsichore (UK) Ltd | Extraterritorial | 2007 |
| Tesiafricsn Styles Ltd | Other services | 2023 |
| Test Electrics West Yorkshire Ltd | Other services | 2022 |
| Test KIT Hub Ltd | Wholesale & retail | 2023 |
| TEX Trader Ltd | Wholesale & retail | 2021 |
| Textilepedia Limited | Extraterritorial | 2022 |
| Thact Ltd | Wholesale & retail | 2025 |
| THE 95 Group Ventures Limited | Professional & scientific | 2026 |
| THE Adult Learning Centre Ltd | Education | 2021 |
| THE Baba Village Kitchen Ltd | Hospitality | 2025 |
| THE Barber Touch Limited | Other services | 2026 |
| THE Barre (UK) Limited | Wholesale & retail | 2014 |
| THE BED Frames Company Ltd | Wholesale & retail | 2023 |
| THE BED Smith Ltd | Manufacturing | 2026 |
| THE Bronte Lounge Limited | Hospitality | 2023 |
| THE Bsspoke Group Limited | Wholesale & retail | 2021 |
| THE Cabin Luggage Company Ltd | Wholesale & retail | 2025 |
| THE Candle & the Wick Ltd | Manufacturing | 2023 |
| THE Care Social Network Ltd | Professional & scientific | 2020 |
| THE Carpet & Vinyl Showroom (Heckmondwike) Limited | Wholesale & retail | 2003 |
| THE Cellar Bar (Yorkshire) Ltd | Hospitality | 2023 |
| THE Cloud Factory Childcare Limited | Health & social care | 2018 |
| THE Cogs Investment Group Limited | Financial services | 2023 |
| THE Crescent (Yorkshire) Limited | Health & social care | 2011 |
| THE DJ SAX Company Yorkshire Limited | Professional & scientific | 2024 |
| THE Empty Hive Ltd | Information & communication | 2025 |
| THE Essence of Woman Limited | Health & social care | 2024 |
| THE Exhibition & Events Co. Ltd | Construction | 2011 |
| THE Fast Lane Club Limited | Other services | 2016 |
| THE FM Taste Limited | Other services | 2010 |
| THE Frame BED Company Ltd | Wholesale & retail | 2019 |
| THE Full Munchy Catering Solutions Ltd | Hospitality | 2004 |
| THE Future Beds Ltd | Wholesale & retail | 2025 |
| THE Game Changerz (West Yorkshire) Ltd | Education | 2021 |
| THE George Inn (Batley) Ltd | Hospitality | 2023 |
| THE Hogs Head (Greengates) Ltd | Hospitality | 2023 |
| THE Laundry Corner Limited | Other services | 2017 |
| THE Lexy Organisation Ltd | Other services | 2025 |
| THE Little Yorkshire Wood Company Ltd | Manufacturing | 2021 |
| THE Luxury Mushroom Company Ltd | Wholesale & retail | 2024 |
| THE Middlepath Yorkshire Limited | Administrative & support | 2017 |
| THE Motor Family Limited | Wholesale & retail | 2012 |
| THE Muslim MAN Club Ltd | Education | 2026 |
| THE OUD Table Ltd | Wholesale & retail | 2025 |
| THE Pinpoint (Yorkshire) Limited | Administrative & support | 2018 |
| THE Powder Room Birstall Ltd | Extraterritorial | 2025 |
| THE Purge Boxing Academy Limited | Arts & recreation | 2019 |
| THE Radiography People Ltd | Education | 2025 |
| THE Roast Republic Ltd | Hospitality | 2023 |
| THE Sleeping Sanctuary Ltd | Wholesale & retail | 2024 |
| THE Sun Rooms Limited | Other services | 2021 |
| THE Taprooms (Batley) Ltd | Hospitality | 2024 |
| THE Theatre of Light Limited | Wholesale & retail | 2015 |
| THE Tuition Hub Primary Ltd | Education | 2018 |
| THE VEG Box Ltd | Wholesale & retail | 2024 |
| THE Viperco Group Limited | Manufacturing | 2013 |
| THE Works Fitness Ltd | Arts & recreation | 2023 |
| THE Yorkshire Barbers 3 Limited | Other services | 2023 |
| THE Yorkshire Hearing Centre Ltd | Wholesale & retail | 2014 |
| Thekolorkingdom Limited | Wholesale & retail | 2020 |
| Therma Coatings Ltd | Construction | 2024 |
| Therma-Glass (UK) Ltd | Construction | 2021 |
| Thevar E COM Limited | Wholesale & retail | 2025 |
| They Clean Cleaning Services Ltd | Administrative & support | 2022 |