| SZS Services Ltd | Transport & logistics | 2020 |
| T & G Engineering Holdings Limited | Professional & scientific | 2008 |
| T & G Hvac Services Limited | Construction | 2014 |
| T. & G. Engineering Co. Limited | Manufacturing | 1975 |
| T.H.S Roofing Ltd | Construction | 2025 |
| T.M. Mixer Hire Limited | Administrative & support | 2000 |
| Taedong Ltd | Wholesale & retail | 2024 |
| Talenttek UK Purchaser Ltd | Financial services | 2022 |
| Tank Talent Ltd | Professional & scientific | 2025 |
| Tarrant Howl Limited | Administrative & support | 2016 |
| Tattooednow! Limited | Arts & recreation | 2012 |
| Tax Made Digital Simple Ltd | Professional & scientific | 2026 |
| TCT Homes Ltd | Construction | 2021 |
| Tea: Trusted Energy Advisory Ltd | Professional & scientific | 2024 |
| Team Goody Equestrian Ltd | Administrative & support | 2022 |
| Terawolf Ltd | Transport & logistics | 2025 |
| Tercoeu Ltd | Manufacturing | 2010 |
| Terracotta Developments Ltd | Real estate | 2021 |
| THE Aragon Hotel Limited | Hospitality | 2010 |
| THE Art Director Ltd | Professional & scientific | 2021 |
| THE Beauty Lounge (Byfleet) Limited | Other services | 2003 |
| THE Beeches (120 High Road) Residents Company Limited | Households | 2005 |
| THE Christmas Store Limited | Wholesale & retail | 2024 |
| THE Dreamcatchers Wedding Video Limited | Information & communication | 2008 |
| THE DRY Cleaning Ltd | Other services | 2023 |
| THE Exclusive Glade Company Limited | Households | 2021 |
| THE HR Surgery Ltd | Administrative & support | 2009 |
| THE Joint Physio Ltd | Health & social care | 2023 |
| THE Kite GUY Ltd | Wholesale & retail | 2025 |
| THE Morality Waiting Room Ltd | Information & communication | 2026 |
| THE Mortgage Choice Ltd | Financial services | 2016 |
| THE Party Snobz Ltd | Hospitality | 2025 |
| THE Pavilions (Surrey) Management Company Limited | Households | 2008 |
| THE Pilgrims Property Group Limited | Administrative & support | 2025 |
| THE Purpose Group Ltd | Other services | 2023 |
| THE Sober Shelf Ltd | Wholesale & retail | 2026 |
| THE Speedwell Tyre Group Limited | Wholesale & retail | 2026 |
| THE Storytellers App Ltd | Information & communication | 2018 |
| THE Surrey College of Clinical Hypnotherapy and Psychotherapy Limited | Education | 1996 |
| THE Window Studio Ltd | Construction | 2023 |
| THE ZOS Creative Ltd | Arts & recreation | 2023 |
| The-Reset-Rooms Ltd | Health & social care | 2025 |
| Theimagefile.Com Limited | Administrative & support | 2002 |
| Theta Waves HR & Coaching Ltd | Professional & scientific | 2025 |
| Thewellbeings.London Ltd | Professional & scientific | 2020 |
| Third Culture Africans Ltd | Information & communication | 2022 |
| Thirty Designs Ltd | Information & communication | 2022 |
| Thomas Hoadley Web Design Ltd | Information & communication | 2020 |
| Thrunton Limited | Professional & scientific | 2023 |
| Thunderer Ltd | Professional & scientific | 2020 |
| Tiddlers Pre-School Hersham Ltd | Education | 2014 |
| Tidy Keepers Limited | Education | 2017 |
| Timeline Tech Ltd | Wholesale & retail | 2025 |
| Toadstool Design Ltd | Professional & scientific | 2012 |
| Top Notch Computer Repairs Ltd | Other services | 2023 |
| Topdach Limited | Wholesale & retail | 2017 |
| Tormenta Ltd | Hospitality | 2025 |
| Toronto Star Facilities Management UK Ltd | Administrative & support | 2024 |
| TOS Holding Group Ltd | Financial services | 2025 |
| TOS Properties Ltd | Real estate | 2025 |
| Trackerrms Limited | Information & communication | 2008 |
| Trade HER Limited | Extraterritorial | 2025 |
| Trading Scents (2014) Limited | Wholesale & retail | 2014 |
| Trading Scents (Iver) LLP | | 2011 |
| Trading Scents Group Limited | Wholesale & retail | 2014 |
| Trading Scents Limited | Wholesale & retail | 1992 |
| Transmutation.Global Limited | Professional & scientific | 2016 |
| Travelmaxx Ltd | Wholesale & retail | 2024 |
| Treron Landscapes Ltd | Administrative & support | 2020 |
| Trillium Edge (Coaching and Consultancy) Ltd | Administrative & support | 2025 |
| Tristan White Podiatry Limited | Health & social care | 2020 |
| TRU Electrical Ltd | Construction | 2020 |
| TRU Fire and Security Ltd | Construction | 2023 |
| Trubshaw Cumberlege Ltd. | Professional & scientific | 2014 |
| Trust Secure Ltd | Administrative & support | 2024 |
| Trusted Home Services Ltd | Water & waste | 2026 |
| TSH Plumbing and Heating Ltd | Construction | 2020 |
| TSM Premier Cars Ltd | Transport & logistics | 2020 |
| TSR Investment Group Limited | Financial services | 2024 |
| TT Performance Limited | Professional & scientific | 2014 |
| TTK & GSK Services Ltd | Transport & logistics | 2013 |
| Ttwx Ltd | Health & social care | 2022 |
| Tuckey Solar Limited | Energy | 2015 |
| Turnaround Interims Limited | Professional & scientific | 2002 |
| Tyni Homes Ltd | Construction | 2015 |
| UK Aircraft Manufacturing Limited | Manufacturing | 1991 |
| UK Diner Ltd | Hospitality | 2016 |
| Uk&Z Properties Ltd | Real estate | 2024 |
| UKBD20 Ltd | Hospitality | 2026 |
| Upstream Concept Engineering Ltd | Mining & quarrying | 2014 |
| Ursache Holdings Ltd | Hospitality | 2025 |
| Vacmaster Cleaning Ltd | Professional & scientific | 2012 |
| Van Hurst Brand Managment Limited | Professional & scientific | 2017 |
| Vapesdirect-Uk Ltd | Wholesale & retail | 2018 |
| Vapn Ltd | Information & communication | 2018 |
| VAR Property Limited | Households | 1998 |
| Vbmk Construction Ltd | Construction | 2024 |
| Vicky Madden Ltd | Information & communication | 2012 |
| Victoria's Sandwich Bar Ltd | Hospitality | 2024 |
| Vida Supported Accommodation Ltd | Real estate | 2025 |