| Tawney Construction Limited | Construction | 2025 |
| TDB Services (London) Limited | Construction | 2014 |
| Teakrange Ltd | Professional & scientific | 2018 |
| Telford Park Consultants Limited | Information & communication | 2024 |
| TFG Driving Limited | Transport & logistics | 2018 |
| TFM-1 Limited | Financial services | 2024 |
| TFO Accountancy Services Limited | Professional & scientific | 2026 |
| THE Altered Space Design Company Ltd | Construction | 2021 |
| THE Berry Specialists Ltd | Hospitality | 2018 |
| THE Boutique London Ltd | Real estate | 2017 |
| THE Brentwood Shakespeare Company | Arts & recreation | 1995 |
| THE Classic Rock Experience Limited | Arts & recreation | 2024 |
| THE Country Cafe Events Limited | Arts & recreation | 2025 |
| THE Creative School London Limited | Arts & recreation | 2018 |
| THE Cricketers Fryerning Limited | Hospitality | 2016 |
| THE Cuckoo Radley Green Ltd | Construction | 2023 |
| THE Deli (Ingatestone) Limited | Hospitality | 2022 |
| THE Deli (Warley) Limited | Hospitality | 2022 |
| THE Deli Hylands Ltd | Hospitality | 2023 |
| THE Denton Design Partnership Limited | Professional & scientific | 2000 |
| THE Faithful Fido Company Ltd | Wholesale & retail | 2022 |
| THE Feis Shop Ltd | Wholesale & retail | 2020 |
| THE Firebird Centre Ltd | Health & social care | 2021 |
| THE Fit Business Limited | Health & social care | 2020 |
| THE Foot Fella Limited | Health & social care | 2023 |
| THE Grange Group Limited | Real estate | 2020 |
| THE Healing Ground CIC | Extraterritorial | 2025 |
| THE Heron Padel Club Limited | Arts & recreation | 2022 |
| THE Influencer Network Limited | Professional & scientific | 2018 |
| THE Kelly Corporation Limited | Real estate | 2001 |
| THE Legacy Funding Company Limited | Professional & scientific | 2022 |
| THE London Policing College Ltd | Education | 2013 |
| THE Longe Restaurant Group Limited | Hospitality | 2020 |
| THE Maltings (Burnham Market) Management Company Limited | Households | 2006 |
| THE Marigold Centre Ltd | Health & social care | 2017 |
| THE Metis Gallery Limited | Wholesale & retail | 2026 |
| THE Microcement Store Limited | Construction | 2023 |
| THE Military Archive Limited | Information & communication | 2012 |
| THE Ossigeno Limited | Education | 2023 |
| THE Paddock Residents (Stock) Limited | Households | 2000 |
| THE Rite Flooring Company Ltd | Construction | 2020 |
| THE Society of Podiatric Medicine | Professional & scientific | 1991 |
| THE Star Inn Public House Ltd | Hospitality | 2011 |
| THE Stationery Warehouse Limited | Wholesale & retail | 2013 |
| THE Viper Mill Green Limited | Other services | 2018 |
| THE Will & Trust Company Limited | Professional & scientific | 2008 |
| THE Will Store Limited | Professional & scientific | 2008 |
| THE Wine Lounge Limited | Other services | 2023 |
| Thesam Ltd | Arts & recreation | 2019 |
| Thorndon Estates Ltd | Real estate | 2013 |
| Time 4 Trees Ltd | Administrative & support | 2020 |
| Tindles Dance and Drama Studios Hilton Ltd | Education | 2017 |
| Tiptree Property Company Limited | Administrative & support | 2019 |
| TJH Estates Ltd | Real estate | 2017 |
| Tomashko Ltd | Manufacturing | 2025 |
| Tomorrow's Thinking Today Ltd | Professional & scientific | 2025 |
| Top Spec Group Ltd | Construction | 2016 |
| Topaz Property Management Services Limited | Households | 2024 |
| Totham Landscapes Ltd | Administrative & support | 2020 |
| Tots in Towelling Ltd | Wholesale & retail | 2024 |
| Trentini Ltd | Professional & scientific | 2020 |
| TRI Sides Fire Training Ltd | Public administration | 2024 |
| Triactum Ltd | Information & communication | 2025 |
| Trivio Ltd | Wholesale & retail | 2026 |
| Troberry Finance Ltd | Professional & scientific | 2017 |
| Troberry Holdings Ltd | Real estate | 2020 |
| Turk Design and Build Limited | Construction | 2025 |
| Turk Properties Limited | Real estate | 2016 |
| Two for Joy Ltd | Professional & scientific | 2026 |
| Tyfer Mechanical & Electrical Limited | Construction | 2022 |
| U-Gee Services Ltd | Information & communication | 2026 |
| Ubiquitous Communications Consulting Ltd | Professional & scientific | 2026 |
| UK Obstacle Sports Federation Ltd | Education | 2019 |
| Unified Support Ltd | Information & communication | 2021 |
| Union Church Sports Ground Limited | Extraterritorial | 1925 |
| Union Street (Torquay) Ltd | Real estate | 2019 |
| Upsgroup.Eu Ltd | Administrative & support | 2014 |
| Urban Fusion Foods Ltd | Hospitality | 2020 |
| V.I.B. Engineering Ltd | Professional & scientific | 2025 |
| V.J. Glass Limited | Wholesale & retail | 1978 |
| Vadalex Express Ltd | Transport & logistics | 2022 |
| VAL Consulting Limited | Information & communication | 2012 |
| Valaya BIO Ltd | Professional & scientific | 2025 |
| Valeminster Limited | Information & communication | 1998 |
| Valkyrie Industries Limited | Manufacturing | 2017 |
| Vallotech Consulting Ltd | Professional & scientific | 2024 |
| Valtom Ltd | Real estate | 2020 |
| Vantage Athlete Group Ltd | Professional & scientific | 2026 |
| VDL 414 Limited | Extraterritorial | 1997 |
| VEC Ltd | Information & communication | 2015 |
| Velvet Halo Limited | Extraterritorial | 2025 |
| Venture Founders Limited | Professional & scientific | 2013 |
| Verified Ltd | Administrative & support | 2023 |
| Viking Skips Ltd | Construction | 2018 |
| Vinci Knowles Limited | Hospitality | 2025 |
| Visionf Limited | Administrative & support | 2007 |
| Vitesse DRY Cleaners Limited | Wholesale & retail | 2003 |
| Vizaviva Limited | Information & communication | 2011 |
| Voke Property Investments Ltd | Real estate | 2026 |
| Volaro Digital Ltd | Professional & scientific | 2024 |