| Third Sector Governance Assist Ltd | Professional & scientific | 2022 |
| Thompson Holdings (Yorkshire) Ltd | Real estate | 2020 |
| Three Waste Solutions Ltd | Other services | 2018 |
| Tiberiu VCR Ltd | Construction | 2025 |
| Tiffin Spicebox Ltd | Hospitality | 2021 |
| TIM Aneniishe Ltd | Other services | 2024 |
| Timber Team UK Limited | Manufacturing | 2017 |
| Timberland Ltd | Wholesale & retail | 2012 |
| Time 4 BED Limited | Manufacturing | 2019 |
| Timpas Ltd | Wholesale & retail | 2011 |
| Titan Industrial Solutions Ltd | Wholesale & retail | 2025 |
| TJ Kayode Ltd | Professional & scientific | 2025 |
| TJ Performance Ltd | Construction | 2024 |
| Tjdsupply Ltd | Wholesale & retail | 2024 |
| TLC Thorpe Lane Concrete Ltd | Construction | 2022 |
| Top Spec Autocare Limited | Wholesale & retail | 2007 |
| Toptier Components Ltd | Wholesale & retail | 2020 |
| Tough Solutions Ltd | Information & communication | 2021 |
| TQ Automotive Services Ltd | Wholesale & retail | 2025 |
| Trabox Ltd | Transport & logistics | 2026 |
| Trade Furniture Company Ltd | Wholesale & retail | 2004 |
| Trade Kitchens Direct Limited | Construction | 2004 |
| Trade Like Shak Ltd | Professional & scientific | 2018 |
| Trade Motors Ltd | Wholesale & retail | 2026 |
| Trade Station Group Ltd | Information & communication | 2019 |
| Tradecam Visual Learning Ltd | Administrative & support | 2025 |
| Tradecore Solutions Ltd | Wholesale & retail | 2024 |
| Tradedirectuk Ltd | Wholesale & retail | 2025 |
| Training Cave Club Ltd | Education | 2019 |
| Trans Body Repairs Limited | Wholesale & retail | 2026 |
| Trans-Global Fuels Limited | Wholesale & retail | 1999 |
| Transform Complaint Management Ltd | Financial services | 2021 |
| Travel Mini BUS Ltd | Transport & logistics | 2023 |
| Trendy Cleaning Services Ltd | Administrative & support | 2023 |
| Trenmar Limited | Real estate | 2024 |
| Trinity York Limited | Construction | 1979 |
| Triple AF Services Ltd | Manufacturing | 1998 |
| Troll in the Well Ltd | Manufacturing | 2025 |
| Trovassi Limited | Wholesale & retail | 2024 |
| True to Self Limited | Information & communication | 2017 |
| Trueturn Limited | Professional & scientific | 2018 |
| Trusted Helpers Ltd | Health & social care | 2023 |
| TS Readings Limited | Administrative & support | 2010 |
| TS Traderz UK Ltd | Wholesale & retail | 2020 |
| TSM Dews Limited | Real estate | 2024 |
| Tuition 365 Ltd | Education | 2024 |
| TURKISH1 Barber Batley Ltd | Other services | 2024 |
| Turner Properties & Developments Limited | Hospitality | 2016 |
| Turton Group Trading Limited | Real estate | 2005 |
| TW Mercedes Van Sales Ltd | Wholesale & retail | 2002 |
| TWENTY10TWENTY Ltd | Wholesale & retail | 2021 |
| Two Men's Kitchen Ltd | Hospitality | 2026 |
| Tyler Deco Exclusive Ltd | Wholesale & retail | 2022 |
| Tylr Properties Ltd | Households | 2025 |
| TYM Supplies Ltd | Wholesale & retail | 2026 |
| U & M Healthcare Limited | Health & social care | 2025 |
| U S Optics Ltd | Health & social care | 2025 |
| U1ST Medical Ltd | Health & social care | 2013 |
| UA Exterior Cleaning Ltd | Administrative & support | 2025 |
| UAD Optical Limited | Health & social care | 2026 |
| UB Distribution Group Ltd | Wholesale & retail | 2025 |
| UBF Propel Ltd | Transport & logistics | 2026 |
| Uhussain Ltd | Financial services | 2019 |
| UK BED Furniture Ltd | Manufacturing | 2022 |
| UK Beds Ltd | Manufacturing | 2017 |
| UK DIY Trade Ltd | Wholesale & retail | 2018 |
| UK Electrical Distribution Ltd | Wholesale & retail | 2017 |
| UK Fire Containment Limited | Manufacturing | 2024 |
| UK House Developments Ltd | Construction | 2025 |
| UK Investments and Properties Ltd | Real estate | 2025 |
| UK Powders Ltd | Wholesale & retail | 2019 |
| UK Properties and Homes Ltd | Real estate | 2024 |
| UK Specialist Law Firm Ltd | Professional & scientific | 2026 |
| Ulist Ltd | Information & communication | 2026 |
| Ultra Foam Ltd | Wholesale & retail | 2023 |
| Umar Ayana Ltd | Hospitality | 2023 |
| Umbrella Property Services 1 Ltd | Administrative & support | 2025 |
| Umesh Retail Ltd | Wholesale & retail | 2026 |
| Ummah Travel and Tours Ltd | Administrative & support | 2024 |
| Union Textiles (Batley) Limited | | 1983 |
| Unique Beds and Sofas Ltd | Manufacturing | 2026 |
| Uniqueli Vetted Limited | Wholesale & retail | 2020 |
| Unrivalled Mixed Martial Arts Ltd | Education | 2024 |
| UP Investigations Ltd | Wholesale & retail | 2023 |
| Upgrowth Digital Ltd | Information & communication | 2020 |
| Upholstery Beds Ltd | Manufacturing | 2023 |
| Upvc Maintenance Limited | Construction | 2002 |
| Urban Properties Holding Ltd | Real estate | 2025 |
| Vaghaus Limited | Wholesale & retail | 2017 |
| Vantage Auto Repair Ltd | Wholesale & retail | 2026 |
| Vape Pluss Ltd | Wholesale & retail | 2025 |
| Vapers Creed Limited | Wholesale & retail | 2025 |
| Vaping Outlet Ltd | Wholesale & retail | 2022 |
| Vaporiser 1 Dinasty Ltd | Wholesale & retail | 2025 |
| Vaporiser Dinasty Ltd | Wholesale & retail | 2025 |
| Vara Software Limited | Wholesale & retail | 2024 |
| Vasa Food Ltd | Wholesale & retail | 2023 |
| Vehicle Electronics and Security Ltd | Manufacturing | 2021 |
| Velarosabyrumaanah Ltd | Hospitality | 2022 |
| Venom Sourcing Ltd | Wholesale & retail | 2023 |