| THE Yorkshire Distillery Company Limited | Manufacturing | 2013 |
| THE Yorkshire Dream Ltd | Real estate | 2017 |
| THE Yorkshire Whisky Company Limited | Manufacturing | 2013 |
| THE Zenergy Centre Ltd | Other services | 2023 |
| Thil Limited | Wholesale & retail | 2024 |
| Thomas Clegg & Sons Ltd | Other services | 2025 |
| Thomas March Capital Ltd | Financial services | 2026 |
| Thomas March Group Ltd | Professional & scientific | 2018 |
| Thomas March Holdings Ltd | Other services | 2020 |
| Thongster Limited | Wholesale & retail | 2004 |
| Thorntons Financial Services Limited | Financial services | 2019 |
| Thoughtful Gifting Shop Limited | Wholesale & retail | 2025 |
| Three Zero Two Consulting Limited | Information & communication | 2016 |
| THV Grooming Academy Ltd | Other services | 2023 |
| Tighe Haulage Ltd | Transport & logistics | 2017 |
| TJO Consulting Ltd | Real estate | 2012 |
| TK Valves Ltd | Manufacturing | 2025 |
| Tkyagency UK Limited | Wholesale & retail | 2018 |
| TMG Payroll Limited | Administrative & support | 2024 |
| TN Immigration Consultancy Limited | Professional & scientific | 2023 |
| TNT Marketing Ltd | Information & communication | 2023 |
| Toad Stationeryware Limited | Manufacturing | 2019 |
| Tony Mucci Solutions Ltd | Professional & scientific | 2024 |
| Topham & Jones Limited | Professional & scientific | 2014 |
| Touchstone Glazing Holdings Limited | Financial services | 2026 |
| Touchstone Glazing Solutions Ltd | Construction | 2011 |
| Towngate Accountancy Ltd | Professional & scientific | 2014 |
| Towngate Estates Limited | Real estate | 2004 |
| Towngate PLC | Real estate | 1969 |
| TP Golf Ltd | Arts & recreation | 2020 |
| Trace Erase Ltd | Administrative & support | 2026 |
| Trademark Fitness Limited | Arts & recreation | 2021 |
| Trading Advisory Services Limited | Administrative & support | 2025 |
| Trailblazer Social Care Ltd | Health & social care | 2013 |
| Transform Express Ltd | Construction | 2020 |
| Tribal Mike Products Ltd | Health & social care | 2025 |
| Truth Brighouse Ltd | Hospitality | 2021 |
| TTL Consultants Limited | Administrative & support | 2015 |
| Tulsi Brighouse Ltd | Hospitality | 2025 |
| Tumbles Playgym Limited | Administrative & support | 2010 |
| Turkish Delight BH Ltd | Hospitality | 2020 |
| Tuscany in the Frame Limited | Hospitality | 2012 |
| TV Aerial Specialists Ltd | Information & communication | 2017 |
| Twoten Consultancy Ltd | Professional & scientific | 2026 |
| U Collect Deliveries Service Limited | Transport & logistics | 2013 |
| U K Flavuor Factory Limited | Manufacturing | 2020 |
| UK & International Timing Adjudication Limited | Arts & recreation | 2021 |
| UK 5 Star Cuts Limited | Other services | 2025 |
| UK Laser Services Ltd | Manufacturing | 2022 |
| UK Sign Group Limited | Administrative & support | 2002 |
| Umami Sushi Limited | Hospitality | 2024 |
| Undistorted Media Limited | Manufacturing | 2019 |
| UNI Bargain Limited | Wholesale & retail | 2016 |
| Utopia Gymnastics Academy Limited | Arts & recreation | 2026 |
| Utopia Gymnastics Limited | Arts & recreation | 2018 |
| Vacuum Cleaners Direct Limited | Wholesale & retail | 2023 |
| Valiance Carpets Ltd. | Wholesale & retail | 2022 |
| Valmas Group Limited | Wholesale & retail | 2016 |
| Valmas Holdings Ltd | Financial services | 2025 |
| Valmas Properties Limited | Wholesale & retail | 2025 |
| Vape Lounge Basildon Limited | Wholesale & retail | 2016 |
| Vape Road Brigghouse Limited | Wholesale & retail | 2024 |
| Vault Recycle Ltd | Manufacturing | 2019 |
| Vector-Ops Ltd | Information & communication | 2025 |
| Vedam Properties Ltd | Real estate | 2023 |
| Venus Beauty Salon LTP Ltd | Other services | 2017 |
| Verbeia Properties Limited | Real estate | 2017 |
| Vernon Moss (Electroplating) Limited | Manufacturing | 1992 |
| Vestum Capital Ltd | Financial services | 2026 |
| Vestum Equity Ltd | Financial services | 2026 |
| Vestum Holdings Ltd | Financial services | 2026 |
| Vestum Investments Ltd | Financial services | 2026 |
| Vestum Ventures Ltd | Financial services | 2026 |
| VH 7 Ltd | Other services | 2021 |
| Viceroy Brighouse Ltd | Hospitality | 2026 |
| Victoria Garage (Brighouse) Limited | Wholesale & retail | 2012 |
| Victoria’S Hair Ltd | Other services | 2025 |
| Vimec Valves UK Limited | Manufacturing | 2023 |
| Viseb Limited | Administrative & support | 2002 |
| Vitalitynew Limited | Transport & logistics | 2023 |
| Voce Camera Company Limited | Manufacturing | 2020 |
| Voeux Estates Ltd | Real estate | 2020 |
| Voodoo Rooster Ltd | Hospitality | 2024 |
| VP HR Limited | Administrative & support | 2025 |
| Vrak Limited | Financial services | 2026 |
| Vulkan Industries Limited | Manufacturing | 1970 |
| W & B Marshall Limited | Wholesale & retail | 2020 |
| W B White Foundry Limited | Manufacturing | 1985 |
| W.H. Marshall Limited | Arts & recreation | 1981 |
| Waddington Leathers Ltd | Manufacturing | 2012 |
| Wadsworth Electrical Engineers Limited | Construction | 2021 |
| Wakefield Road Management Company Limited | Other services | 2005 |
| Want Gifts Limited | Wholesale & retail | 2014 |
| Watson Project Control Limited | Professional & scientific | 2012 |
| Wave General Projects Limited | Construction | 2021 |
| WAX 2 the Future Limited | Wholesale & retail | 2022 |
| Waymark Advisory Ltd | Information & communication | 2025 |
| Wayne Masterman Properties Limited | Financial services | 2025 |
| WB White EOT Limited | Administrative & support | 2024 |
| WD Heating Services (UK) Limited | Construction | 2013 |