| THE British Association of Dramatherapists | Other services | 1996 |
| THE Business and Financial Management Company Ltd | Professional & scientific | 2011 |
| THE Cltr Group Limited | Information & communication | 2018 |
| THE Commercial Office Ltd | Real estate | 2026 |
| THE Conscious Relationship Ltd | Education | 2025 |
| THE Curious Advantage Limited | Professional & scientific | 2021 |
| THE David Artistes Management Agency Limited | Administrative & support | 1971 |
| THE Driving Skool.Com (UK) Ltd | Education | 2014 |
| THE Exclusive Property Concierge Ltd | Construction | 2025 |
| THE Federation of Traditional Chinese Medicine (UK) | Professional & scientific | 2004 |
| THE Freelance Fixer Ltd | Wholesale & retail | 2024 |
| THE Furniture Guys Limited | Wholesale & retail | 2016 |
| THE Hawkenbury PUB Limited | Hospitality | 2025 |
| THE High Performance LAB Ltd | Education | 2025 |
| THE Labyrinthe Club Limited | Arts & recreation | 2021 |
| THE Make UP Artist Limited | Arts & recreation | 2012 |
| THE Media Knowledge Company Ltd | Education | 2024 |
| THE Mind Reset LAB Ltd | Health & social care | 2025 |
| THE Old House Chislehurst Ltd | Households | 2009 |
| THE One Consultancy London Ltd | Professional & scientific | 2020 |
| THE Organic Coconut Co Ltd | Manufacturing | 2021 |
| THE Pilates Space Limited | Other services | 2015 |
| THE Print Farm Limited | Manufacturing | 2025 |
| THE Roofing Products Company Ltd | Wholesale & retail | 1999 |
| THE Sneaker Cleaner Ltd | Administrative & support | 2021 |
| THE Soul Printers Limited | Manufacturing | 2023 |
| THE Sound Stable Ltd | Arts & recreation | 2026 |
| THE Village Barn Limited | Manufacturing | 2015 |
| THE Willows Insurance Services Ltd | Financial services | 2018 |
| THE Wills Woman Ltd | Professional & scientific | 2019 |
| Thegotogroup Ltd | Professional & scientific | 2023 |
| Third Wheel Foods Ltd | Hospitality | 2025 |
| Threefold AV Ltd | Administrative & support | 2026 |
| Thunder Studios Ltd | Information & communication | 2025 |
| Tian Hong Enterprises Limited | Wholesale & retail | 2004 |
| TIC Print & Design Limited | Manufacturing | 2014 |
| Tier One Accounting Services Ltd | Professional & scientific | 2012 |
| TL 1 Properties Limited | Real estate | 2020 |
| TMP Installations Limited | Construction | 2013 |
| Tmrsm Ltd | Information & communication | 2022 |
| Tmsa Property Ltd | Real estate | 2022 |
| Tokyotwist Limited | Hospitality | 2025 |
| TOM Locksmiths Ltd | Extraterritorial | 2023 |
| TOM MAC Stud Ltd | Agriculture & fishing | 2017 |
| Tombstone Holdings 1 Ltd | Other services | 2025 |
| Tony Hawkes Enterprises Ltd | Administrative & support | 2015 |
| Top Chauffering Ltd | Transport & logistics | 2025 |
| Torrington Services (UK) Limited | Information & communication | 2002 |
| Totally Shutters Trading Ltd | Wholesale & retail | 2019 |
| Totally Steel Doors Ltd | Manufacturing | 2024 |
| Touch-Type Read and Spell Limited | Information & communication | 1994 |
| Toutine Ltd | Professional & scientific | 2018 |
| Towuroh Ltd | Construction | 2024 |
| Toyods Limited | Construction | 2020 |
| Track Vault Ltd | Information & communication | 2012 |
| Transform Marketing International Limited | | 1985 |
| Transingent Consulting Ltd | Professional & scientific | 2017 |
| Transition Coaching Ltd | Education | 2019 |
| Transtar Leisure Ltd | Hospitality | 2011 |
| Travel Zone Limited | Administrative & support | 1990 |
| Tree Civil Engineering Ltd | Construction | 2018 |
| Trevor Two Properties Ltd | Real estate | 2022 |
| Tribe Chislehurst Limited | Other services | 2011 |
| Tribe Salons Limited | Other services | 2017 |
| Triibe Clothing Limited | Manufacturing | 2019 |
| Triple Colossal X Music Ltd | Information & communication | 2021 |
| TS Property & Developments Ltd | Real estate | 2026 |
| Tsaretta UK Limited | Hospitality | 2017 |
| Tsoi & Company Limited | Real estate | 2021 |
| Tudor Lime Consulting Ltd | Professional & scientific | 2018 |
| Tudor Rose PVT Ltd | Real estate | 2026 |
| TV Repairs Bristol Ltd | Manufacturing | 2025 |
| Twentysevencoffee Ltd | Hospitality | 2020 |
| Two Green Doors Ltd | Real estate | 2026 |
| Typefavour Trading Limited | Other services | 1993 |
| UK Consumer Links Ltd | Administrative & support | 2025 |
| UK Host Solutions Ltd | Administrative & support | 2015 |
| UK Mega Geocaching Limited | Administrative & support | 2025 |
| UK Religious Development Limited | Other services | 2019 |
| Ultra Decor Limited | Construction | 2007 |
| Ultra Security Systems UK Limited | Other services | 2008 |
| Ultrakleen Ltd | Administrative & support | 2018 |
| Ungar Architects Limited | Other services | 2006 |
| Unique Infra Ltd | Construction | 2023 |
| Unite Star Properties Ltd | Real estate | 2025 |
| United Kingdom Shareholders' Association Limited | Other services | 2002 |
| United Knowledge Ltd | Information & communication | 2019 |
| Universe of POP Limited | Other services | 2024 |
| UP22 Ltd | Other services | 2022 |
| Upper Hill Ltd | Construction | 2025 |
| Urban Cheltenham Limited | Hospitality | 2023 |
| V V Haul Ltd | Transport & logistics | 2020 |
| V1 Retail Limited | Wholesale & retail | 2023 |
| V12 Solutions Ltd | Professional & scientific | 2010 |
| Vaanan Properties Ltd | Real estate | 2025 |
| Valueadduk Ltd | Information & communication | 2024 |
| Vanet Services Limited | Real estate | 2003 |
| Vanguard IT Solutions Ltd | Information & communication | 2025 |
| Vanilla Polygon Studios Ltd | Real estate | 2022 |
| Varivoda Limited | Wholesale & retail | 2024 |