| Tekin International Ltd | Wholesale & retail | 2015 |
| Templar Media Services Limited | Information & communication | 2025 |
| Tempo Architecture Limited | Professional & scientific | 2024 |
| Tempo Distribution Limited | Manufacturing | 2020 |
| Tessi Ltd | Wholesale & retail | 2011 |
| Tewdwr Strategic Services Limited | Professional & scientific | 2024 |
| TGI Sport Connect Limited | Administrative & support | 2018 |
| TGI Sport Partnerships Limited | Arts & recreation | 2008 |
| TGI Sport Rights Limited | Information & communication | 2015 |
| That Web Company Ltd. | Information & communication | 2010 |
| THE 225 Club Limited | Arts & recreation | 2015 |
| THE Acuity Method Limited | Education | 2023 |
| THE Art Agency Limited | Wholesale & retail | 2024 |
| THE Berkeley Charitable Foundation | Health & social care | 2013 |
| THE Berkeley Festival Waterfront Company Limited | Professional & scientific | 1995 |
| THE Berkeley Group Holdings PLC | Professional & scientific | 2004 |
| THE Box Plus Limited | Real estate | 2023 |
| THE Charitable Foundation for Education Development | Education | 2013 |
| THE Cobham Cedar Centre Limited | Other services | 2008 |
| THE Conscientia Group Limited | Administrative & support | 2006 |
| THE Copper Mill Press Limited | Manufacturing | 2008 |
| THE Courtyard (Claremont Road) Management Company NO.1 Limited | Real estate | 1999 |
| THE Courtyard (Claremont Road) Management Company NO.2 Limited | Real estate | 1999 |
| THE Customer Success Practice Ltd | Professional & scientific | 2023 |
| THE Distinctive Gardener Ltd | Administrative & support | 2026 |
| THE Fairmile Limited Partnership | | 2002 |
| THE Family Care Collective Ltd | Administrative & support | 2015 |
| THE Fitness Factory Surrey Limited | Arts & recreation | 2016 |
| THE FOX & Honeybee Boutique Ltd | Wholesale & retail | 2022 |
| THE Friendly Dog Club CIC | Education | 2024 |
| THE Galleries White Lion Gate Co Ltd | Professional & scientific | 2005 |
| THE Gallery Press Ltd | Manufacturing | 2025 |
| THE Garden Cobham Limited | Hospitality | 2020 |
| THE GAS Yard Ltd | Wholesale & retail | 2022 |
| THE Great Home London Ltd | Construction | 2018 |
| THE Handyman Hub Limited | Construction | 2025 |
| THE Health Movement Ltd | Health & social care | 2022 |
| THE Health Tree Limited | Health & social care | 2013 |
| THE History HUT Limited | Information & communication | 2002 |
| THE Horsell Village After School Club Limited | Health & social care | 1999 |
| THE HR and Reward Company Ltd | Professional & scientific | 2008 |
| THE Hush Place Ltd | Information & communication | 2025 |
| THE Hype Department Limited | Professional & scientific | 2026 |
| THE Interior Colourist Ltd | Wholesale & retail | 2023 |
| THE Liberty Publishing Company Limited | Extraterritorial | 1997 |
| THE Linen Room Limited | Extraterritorial | 2015 |
| THE London Household Agency Ltd | Administrative & support | 2026 |
| THE Long Orchard Food Company Limited | Wholesale & retail | 2009 |
| THE Lytton Park Management Company Limited | Households | 1998 |
| THE Madison Group (Worcestershire) Limited | Other services | 2019 |
| THE Millennium Festival Leisure Company Limited | Extraterritorial | 1997 |
| THE Minerva Travel Group Ltd | Professional & scientific | 2019 |
| THE Mount Guildford Limited | Real estate | 2020 |
| THE Muse App Ltd | Wholesale & retail | 2025 |
| THE Nuke Merchandise Shop Ltd | Arts & recreation | 2024 |
| THE Old Piano Workshop Management Ltd | Households | 2025 |
| THE Olive Project Ltd | Information & communication | 2011 |
| THE Optical Co. (Cobham) Ltd | Wholesale & retail | 2016 |
| THE Oxford Gateway Development Company Limited | Extraterritorial | 2007 |
| THE Permian Company Ltd | Professional & scientific | 2013 |
| THE Rose Engine Limited | Manufacturing | 2012 |
| THE Running Mare Catering Limited | Hospitality | 2021 |
| THE Running Mare Cobham Limited | Hospitality | 2009 |
| THE Scent Edit Limited | Wholesale & retail | 2016 |
| THE Second Fairmile Limited Partnership | | 2002 |
| THE SMA Members & Events Limited | Other services | 2021 |
| THE Stable Bar & Restaurants Limited | Hospitality | 2012 |
| THE TAP Room Consultants Ltd | Professional & scientific | 2019 |
| THE Tower, One ST George Wharf Limited | Financial services | 2002 |
| THE Tunnels Project Ltd | Information & communication | 2011 |
| THE Vere Consultancy Limited | Professional & scientific | 2013 |
| THE View Battersea Park Limited | Construction | 2017 |
| THE Wedding Shortlist Ltd | Information & communication | 2025 |
| THE Wedding Studio Ltd | Information & communication | 2021 |
| THE Wedding Stylist Ltd | Other services | 2014 |
| THE Wolfs BK Limited | Other services | 2026 |
| THE Wright Way to Limited | Real estate | 2025 |
| Thecxo Limited | Professional & scientific | 2025 |
| Think Bluebell Limited | Professional & scientific | 2017 |
| Thirlstone (JLP) Limited | Extraterritorial | 1999 |
| Thirlstone Commercial Limited | Extraterritorial | 1990 |
| Thirlstone Homes (Western) Limited | Extraterritorial | 1999 |
| Thirlstone Homes Limited | Construction | 1990 |
| Thirlstone PLC | Extraterritorial | 1990 |
| Thomas Oakmont Ltd | Administrative & support | 2017 |
| Thorntons Property Company Limited | Real estate | 2022 |
| Thrive and Well Ltd | Administrative & support | 2019 |
| Thrive With Nutrition Ltd | Professional & scientific | 2023 |
| Thrivingbabymamas Limited | Other services | 2025 |
| Tiamari Ltd | Administrative & support | 2016 |
| Tiered Media Ltd | Professional & scientific | 2023 |
| Tiger Construction Surrey Ltd | Construction | 2020 |
| Tigon Ltd | Construction | 2007 |
| Tigon Scaffolding Limited | Construction | 2008 |
| Tilt Meadow Residents Association Limited | Real estate | 1984 |
| Time Change Ltd | Administrative & support | 2021 |
| Time Rental Properties Limited | Real estate | 2016 |
| Tinos Homes Limited | Construction | 1996 |
| Tiny Tunes Limited | Education | 2011 |
| Tjrd Ltd | Arts & recreation | 2025 |