| Toyeen Professional Services Ltd | Health & social care | 2025 |
| Toyniture Ltd | Wholesale & retail | 2025 |
| TPF Fulfilment & Processing Ltd | Manufacturing | 2024 |
| TPR Logistics Ltd | Transport & logistics | 2024 |
| Tradeco Global Ltd | Transport & logistics | 2020 |
| Trademark Renovations Ltd | Construction | 2018 |
| Tranquility Healthcare Ltd | Transport & logistics | 2019 |
| Trans ED Ltd | Wholesale & retail | 2018 |
| Trans Tomy Ltd | Transport & logistics | 2022 |
| Transaltic Ventures Limited | Transport & logistics | 2018 |
| Transfennica (UK) Limited | Transport & logistics | 1996 |
| Transpacific Forwarding Limited | Information & communication | 2002 |
| Transport RC Limited | Administrative & support | 2024 |
| Transvo Ltd | Transport & logistics | 2026 |
| Transylvanya Limited | Transport & logistics | 2018 |
| TRG Prestige Ltd | Wholesale & retail | 2017 |
| Triantech Ltd | Information & communication | 2026 |
| Triesse (Trisan) Limited | Extraterritorial | 1995 |
| Triesse Group Limited | Professional & scientific | 2010 |
| Triesse Holdings Limited | Professional & scientific | 1996 |
| Triesse Limited | Manufacturing | 1975 |
| Tripple J Global Limited | Wholesale & retail | 2025 |
| Triumphant Security Limited | Other services | 2018 |
| Tropical Treasure's Caribbean Takeaway Ltd | Hospitality | 2025 |
| TRS Hot Fried Chicken Ltd | Wholesale & retail | 2022 |
| Truck Repair Specialists Limited | Wholesale & retail | 2006 |
| Truecolor Decoration Ltd | Construction | 2025 |
| Trugram Limited | Information & communication | 2013 |
| Trust Track Accounting Services Limited | Professional & scientific | 2026 |
| Trustedbeautyprofessionals Ltd | Education | 2023 |
| TRY VIP Service Ltd | Transport & logistics | 2025 |
| Tryed & TRU Limited | Wholesale & retail | 2017 |
| Ttts Care Ltd | Health & social care | 2026 |
| TU Consultancy Services Ltd | Other services | 2020 |
| Tunnel Estate and Housing Ltd | Real estate | 2024 |
| Turbo Star Ltd | Wholesale & retail | 2023 |
| Turkmantrade Ltd | Wholesale & retail | 2022 |
| TVG Enterprise Ltd | Wholesale & retail | 2025 |
| Twenty-One SIX Properties Limited | Real estate | 2025 |
| Ubakaugbene Ltd | Administrative & support | 2025 |
| Uchcomfy Ltd | Real estate | 2021 |
| Uchcomfy Properties Ltd | Real estate | 2023 |
| UK Film Awards | Information & communication | 2025 |
| UK Fitness Club Tilbury Ltd | Arts & recreation | 2026 |
| UK Freight Express Limited | Transport & logistics | 2020 |
| United Clean House Limited | Administrative & support | 2012 |
| Universal Foodz Ltd | Hospitality | 2023 |
| UP Resources Ltd | Administrative & support | 2022 |
| Urban Beauty Salon Ltd | Other services | 2026 |
| UXL Tech Consulting Ltd | Information & communication | 2022 |
| UXL4LIFE Tutoring & Skills Development CIC | Education | 2020 |
| VAD Trans Limited | Transport & logistics | 2016 |
| Valer Trans Ltd | Transport & logistics | 2022 |
| Valley Spring Cleaning Limited | Administrative & support | 2023 |
| VAM Logistics Ltd | Transport & logistics | 2025 |
| Van Repair Services Ltd | Wholesale & retail | 2022 |
| Vapor's DEN Ltd | Wholesale & retail | 2024 |
| Varna Installs Limited | Information & communication | 2024 |
| Vectrometrics Drivers Compliance Ltd | Construction | 2026 |
| Veenine Ltd | Information & communication | 2005 |
| Vega Bennett Limited | Health & social care | 2026 |
| Velic Distribution Ltd | Transport & logistics | 2024 |
| Velocityaim Ltd | Wholesale & retail | 2023 |
| VEM Limited | Health & social care | 2022 |
| Veracity Initiative Limited | Information & communication | 2017 |
| Veriko Ltd | Administrative & support | 2026 |
| Versastyle Goods Ltd | Wholesale & retail | 2025 |
| VIG Spedition Limited | Transport & logistics | 2013 |
| Viks Construction Ltd | Construction | 2025 |
| Vinmagdee Limited | Health & social care | 2023 |
| Virinda Ltd | Health & social care | 2019 |
| Visionplus Care Ltd | Administrative & support | 2023 |
| Vital Repair Services Ltd | Wholesale & retail | 2023 |
| Vitalie Services Ltd | Construction | 2025 |
| Vitamic Ltd | Wholesale & retail | 2020 |
| Vivek Properties & Housing Ltd | Real estate | 2023 |
| Vivek Transport Ltd | Transport & logistics | 2019 |
| Vivioli Construct Ltd | Construction | 2021 |
| Vkart Ltd | Wholesale & retail | 2023 |
| Vlad CIRLIG100 Ltd | Wholesale & retail | 2023 |
| Vladutrans Ltd | Transport & logistics | 2017 |
| Vlaici Ltd | Transport & logistics | 2018 |
| VLV Limited | Construction | 2019 |
| VM Logistics Ltd | Transport & logistics | 2014 |
| Volt Zero Ltd | Manufacturing | 2025 |
| Vona Wellness Ltd | Health & social care | 2025 |
| Voyager Driving School Limited | Education | 2022 |
| Vsquare Property UK Limited | Real estate | 2020 |
| Vtok Limited | Real estate | 2022 |
| VUN Insights Ltd | Transport & logistics | 2024 |
| VVT2008 Ltd | Transport & logistics | 2019 |
| Vytas & Co Ltd | Construction | 2019 |
| Walton Common Limited | Real estate | 2021 |
| Watts Tiles & Flooring Limited | Construction | 2025 |
| Waves of Glory Ltd | Health & social care | 2022 |
| WD Therapy & Training Ltd | Education | 2021 |
| Wdsj Ltd | Transport & logistics | 2019 |
| WE Bridge the GAP Ltd | Professional & scientific | 2026 |
| Web Munda Ltd | Information & communication | 2025 |
| Wellthrex Ltd | Health & social care | 2025 |