| Tezbegi Limited | Wholesale & retail | 2025 |
| Tezzrigg Rigging and Scaffolding Services Ltd | Construction | 2020 |
| TF Investments London Limited | Real estate | 2024 |
| TF Petroleum Limited | Wholesale & retail | 2012 |
| TFB London Limited | Real estate | 2025 |
| Tfix Ltd | Manufacturing | 2011 |
| Tfln Investments Ltd | Real estate | 2022 |
| Tgfb Limited | Construction | 2020 |
| TGS Group Ltd | Construction | 2025 |
| THAMIL13 Ltd | Wholesale & retail | 2024 |
| Thanyada Thai Limited | Hospitality | 2022 |
| THE 1910 Brand Ltd | Wholesale & retail | 2025 |
| THE AJK Trading Company Limited | Hospitality | 2006 |
| THE Antique Nest Limited | Wholesale & retail | 2026 |
| THE Big S&S Unisex Salon Ltd | Other services | 2026 |
| THE Borderless Practice Ltd | Professional & scientific | 2025 |
| THE Bright Solution Group Ltd | Wholesale & retail | 2020 |
| THE Cars Sales Ltd | Wholesale & retail | 2021 |
| THE Casa Velha Limited | Transport & logistics | 2023 |
| THE Chicken & Pizza DOT COM Limited | Hospitality | 2017 |
| THE Content Store Limited | Professional & scientific | 2026 |
| THE Corporate Cake Company Ltd | Other services | 2024 |
| THE Creative’S Atelier Ltd | Arts & recreation | 2023 |
| THE Croydon PUB Company Ltd | Hospitality | 2022 |
| THE Direct Property Group Ltd | Real estate | 2018 |
| THE Drop Project Brewing Company Ltd | Manufacturing | 2019 |
| THE Ecom Avenue Ltd | Wholesale & retail | 2024 |
| THE Ecom Market Ltd | Wholesale & retail | 2023 |
| THE Empire of Properties Ltd | Real estate | 2016 |
| THE Events Strategist Ltd | Manufacturing | 2025 |
| THE Fairfield Collective Ltd | Wholesale & retail | 2025 |
| THE Feast of Flavours Ltd | Manufacturing | 2026 |
| THE Food Packaging Company Limited | Wholesale & retail | 2013 |
| THE Frams Services Ltd | Administrative & support | 2025 |
| THE Glade 108 Limited | Real estate | 2004 |
| THE High Performance Academy Limited | Real estate | 2023 |
| THE Iqhawe Way Ltd | Health & social care | 2025 |
| THE Ivory Construction (PVT) Ltd | Construction | 2023 |
| THE Large House Ltd | Construction | 2016 |
| THE Little Black Umbrella Limited | Manufacturing | 2024 |
| THE London Timber Window Company Ltd | Administrative & support | 2016 |
| THE Lord Reigneth Gospel Church Ltd | Other services | 2016 |
| THE Maneover Ltd | Other services | 2024 |
| THE MAP Centre Limited | Administrative & support | 2011 |
| THE Marketing Firm UK Ltd | Other services | 2022 |
| THE Markets Shop Ltd | Wholesale & retail | 2025 |
| THE Meadows Day Services Ltd | Public administration | 2021 |
| THE Memory Nest Ltd | Health & social care | 2023 |
| THE Mental Health Hub Ltd | Education | 2018 |
| THE Modern DAD Club Limited | Other services | 2025 |
| THE Morgan Griffin Group Ltd | Hospitality | 2018 |
| THE Mustard Seed Center CIC | Education | 2026 |
| THE New Level of Life Associates Limited | Health & social care | 2014 |
| THE Noire Space CIC | Professional & scientific | 2022 |
| THE Number 10 Group Ltd | Hospitality | 2017 |
| THE Omni Bazar Ltd | Wholesale & retail | 2024 |
| THE Pink Fish Company Ltd | Administrative & support | 2025 |
| THE Recovery Auto Knight Ltd | Manufacturing | 2021 |
| THE Removalist Limited | Transport & logistics | 2025 |
| THE Rent DUO Ltd | Real estate | 2024 |
| THE Rose Effect Ltd | Extraterritorial | 2022 |
| THE RUA Hub Ltd | Wholesale & retail | 2025 |
| THE Sign Design Society Limited | Professional & scientific | 1992 |
| THE South London Garage Ltd | Wholesale & retail | 2013 |
| THE Space Affair Ltd | Construction | 2014 |
| THE Sports Injury Clinic Limited | Health & social care | 1999 |
| THE Struggle Productions Ltd | Arts & recreation | 2025 |
| THE Swan Studios EST 2022 Limited | Manufacturing | 2022 |
| THE Ubunifu Space Ltd | Information & communication | 2018 |
| THE Unconsultancy Group Ltd | Information & communication | 2026 |
| THE Universe of Cleaning Ltd | Administrative & support | 2024 |
| THE Urban Repair LAB Ltd | Other services | 2026 |
| THE Welly Leek Limited | Hospitality | 2025 |
| THE XC Group Ltd | Administrative & support | 2019 |
| THE XCG Ltd | Professional & scientific | 2020 |
| Theblueprintfba Ltd | Wholesale & retail | 2025 |
| Thegrillhut Limited | Hospitality | 2026 |
| Thehmyremovals Limited | Transport & logistics | 2025 |
| Theinstalltech Ltd | Information & communication | 2022 |
| Thekendev Limited | Wholesale & retail | 2025 |
| Theonlinething Ltd | Wholesale & retail | 2026 |
| Theory Inc. Ltd | Arts & recreation | 2023 |
| Theresa Anaafi Limited | Health & social care | 2015 |
| These Girls Run Ltd | Arts & recreation | 2023 |
| Thinesh & Kuga Ltd | Real estate | 2022 |
| Thinkaptive Ltd | Information & communication | 2025 |
| Thinkx Limited | Professional & scientific | 2019 |
| Thipiga Ltd | Wholesale & retail | 2024 |
| This Light IS Mine Ltd. | Wholesale & retail | 2026 |
| Thistle Entertainment Ltd | Information & communication | 2011 |
| THK Property Development Ltd | Construction | 2023 |
| Thomasons Estate Ltd | Real estate | 2018 |
| Thompson Accountants Ltd | Extraterritorial | 2024 |
| Three Oaks International Ltd | Professional & scientific | 2023 |
| Thriveonce Ltd | Wholesale & retail | 2025 |
| Thurai Estates Ltd | Extraterritorial | 2025 |
| Thuyle Limited | Wholesale & retail | 2022 |
| Tidy Sweepers Ltd | Administrative & support | 2023 |
| Tidy UP Garden Ltd | Administrative & support | 2015 |
| Tierra Tarara Ltd | Health & social care | 2022 |