| Tape and Jointing London Ltd | Construction | 2024 |
| TAR Fast Services Ltd | Construction | 2023 |
| Tarf Trading Ltd | Wholesale & retail | 2014 |
| Tarifi Properties Ltd | Real estate | 2023 |
| Tarrel Electrical Services Ltd | Construction | 2024 |
| Tartaruga B Investments Limited | Professional & scientific | 2017 |
| Tash Kafa Limited | Hospitality | 2023 |
| Taste Temptation Ltd | Wholesale & retail | 2025 |
| Tastebuds Caterers Ltd | Hospitality | 2025 |
| Tastesofafrica Ltd | Hospitality | 2018 |
| Tasteview Ltd. | Transport & logistics | 2014 |
| Tasty's Sweets Ltd | Wholesale & retail | 2019 |
| Tatla Development Ltd | Construction | 2020 |
| Tattoo Film Productions Ltd | Information & communication | 2020 |
| Tattoouk Limited | Other services | 2017 |
| TAW Global Limited | Health & social care | 2026 |
| Tawfa Private Limited | Professional & scientific | 2025 |
| Tax GP Ltd | Professional & scientific | 2017 |
| Tax Solution Accountants Ltd | Professional & scientific | 2018 |
| Tax Time Accountants Limited | Professional & scientific | 2012 |
| Taxability Plus Limited | Professional & scientific | 2019 |
| Taxero Limited | Professional & scientific | 2026 |
| Taxinc Limited | Professional & scientific | 2016 |
| Taxxbox Limited | Wholesale & retail | 2024 |
| Taylor Shipping Limited | Transport & logistics | 2014 |
| Taylormade Interior Solutions Ltd | Construction | 2025 |
| Taytop Haulage and Logistics Ltd | Transport & logistics | 2026 |
| TBH Sports & Media Ltd | Information & communication | 2026 |
| TC Eco-Brick Ltd | Construction | 2020 |
| TC Platinum Ltd | Administrative & support | 2024 |
| TC Refurbishment Ltd | Construction | 2023 |
| TCB Construction & Building Services Limited | Construction | 2014 |
| TCB Construction Cost Consultants Limited | Construction | 2012 |
| TCB Trading Limited | Wholesale & retail | 2025 |
| TCG Rendering Ltd | Construction | 2015 |
| TCG Software Limited | Professional & scientific | 2016 |
| TDI Global Ltd | Wholesale & retail | 2018 |
| TDI Online Limited | Wholesale & retail | 2011 |
| Teahan Accounting Services Limited | Professional & scientific | 2023 |
| Teahan Crypto Limited | Wholesale & retail | 2025 |
| Teak Farm Ltd | Financial services | 2024 |
| Tealbox Limited | Information & communication | 2009 |
| Team Air Express Limited | Transport & logistics | 1990 |
| Team Complex Ltd | Information & communication | 2022 |
| Team Scholars International Ltd | Education | 2012 |
| TEC Structures Ltd | Professional & scientific | 2020 |
| Tecfin Services Ltd | Financial services | 2022 |
| Tech Alliance 365 Limited | Information & communication | 2024 |
| Tech Consumer Ltd | Wholesale & retail | 2024 |
| Tech Fusion Hub Services Limited | Information & communication | 2025 |
| Tech Merchandise Ltd | Manufacturing | 2005 |
| Tech-Check Ltd | Wholesale & retail | 2014 |
| TECHB0X Services Ltd | Information & communication | 2025 |
| Techclickbuy Limited | Wholesale & retail | 2025 |
| Techdart Limited | Information & communication | 2019 |
| Technic Hotel Services Ltd | Information & communication | 2013 |
| Technik Limited | Manufacturing | 1976 |
| Techno-Comp Computer Services Ltd | Information & communication | 2025 |
| Technocraft Professional Services Limited | Information & communication | 2010 |
| Technocraft Properties Ltd | Real estate | 2023 |
| Technocrates Construction Limited | Construction | 2011 |
| Technology Innovators Limited | Information & communication | 2023 |
| Tecolote Publishing Limited | Information & communication | 2023 |
| Teddy AI Ltd | Information & communication | 2023 |
| Teddy Bear Service Limited | Other services | 2015 |
| Teegan Isabel Hair Ltd | Other services | 2025 |
| Teesdale Court Management Company Limited | Real estate | 2015 |
| Teeza Fit Ltd | Arts & recreation | 2025 |
| TEG Haulage Ltd | Transport & logistics | 2014 |
| TEG Realtors Ltd | Real estate | 2025 |
| Tegrasoft Ltd | Information & communication | 2018 |
| Tekknovate Ltd | Information & communication | 2024 |
| Tekyol 68 Ltd | Hospitality | 2024 |
| Telcasta Limited | Wholesale & retail | 2018 |
| Telpack Ltd | Information & communication | 2011 |
| Telsar Auctions Ltd | Administrative & support | 2016 |
| Telsar DP Ltd | Real estate | 2019 |
| Telsar Limited | Real estate | 2008 |
| Telsar West Ltd | Real estate | 2019 |
| Temitope Oluyinka Aboderin Limited | Extraterritorial | 2024 |
| Tempest Demolition Ltd | Construction | 2013 |
| Templar Classics Ltd | Wholesale & retail | 2020 |
| Temple Central Ltd | Construction | 2014 |
| Temple Dukes Limited | Wholesale & retail | 2025 |
| Temple Orchard Residents Association Limited | Real estate | 1966 |
| Templeholm Limited | Administrative & support | 1975 |
| Templeton Court Management Company Limited | Professional & scientific | 1989 |
| Templewood Properties Limited | Real estate | 1963 |
| Tempting Subs Limited | Hospitality | 2015 |
| Tempur Sealy International Limited | Professional & scientific | 2003 |
| TEN 99 Store Ltd | Wholesale & retail | 2025 |
| Tenancy Managers Limited | Real estate | 2022 |
| Tendercare Nurseries Limited | Administrative & support | 1988 |
| Tenga UK Limited | Wholesale & retail | 2024 |
| Tennyson Road Management Company Limited | Real estate | 2020 |
| Tenon Facility Management UK Limited | Financial services | 2015 |
| Tenon FM Limited | Administrative & support | 1987 |
| Tensus Ltd | Other services | 2021 |
| Termground Property Management Limited | Real estate | 1988 |
| Terri Forward Ltd | Health & social care | 2025 |