| Telford Homes (Midsummer Blvd) NO.2 Limited | Construction | 2022 |
| Telford Homes (Mill Road) Limited | Construction | 2020 |
| Telford Homes Balfron Towers Limited | Financial services | 2014 |
| Telford Homes Chrisp Street Limited | Financial services | 2014 |
| Telford Homes City North Limited | Construction | 2014 |
| Telford Homes Limited | Construction | 2000 |
| Telford Homes Regeneration Developments Holdings Limited | Real estate | 2014 |
| Tellema Holding Limited | Real estate | 2024 |
| Temizturk Properties Ltd | Real estate | 2024 |
| Temper Voice Limited | Financial services | 2020 |
| Templars Gate (Baldock) Residential Management Company Limited | Households | 2020 |
| Temple Chambers Marketing Limited | Professional & scientific | 2013 |
| Temur Kebab Limited | Hospitality | 2024 |
| Tengrix Limited | Real estate | 2026 |
| Teobri Property Developments Ltd | Construction | 2023 |
| Teohealth Ltd | Health & social care | 2021 |
| TES Computers Ltd | Other services | 2006 |
| TEZ Property Ltd | Real estate | 2016 |
| TFC Waltham Cross Supermarket Ltd | Wholesale & retail | 2020 |
| Tger Properties Limited | Real estate | 2026 |
| Th/E Books Limited | Manufacturing | 2023 |
| Thackeray Close Management Company Limited | Households | 2014 |
| Thackray Group Ltd | Wholesale & retail | 2025 |
| Thai Restaurant Group Limited | Hospitality | 2025 |
| Thailand House Limited | Other services | 2021 |
| THE 7TH Haven Ltd | Health & social care | 2015 |
| THE AI Publisher Ltd | Professional & scientific | 2025 |
| THE Altays Ltd | Wholesale & retail | 2020 |
| THE Best Brothers Bar Ltd | Hospitality | 2022 |
| THE Borgata Ltd | Construction | 2019 |
| THE Boulevard Scarbrook Management Limited | Real estate | 2023 |
| THE Breakfast Nook Limited | Hospitality | 2025 |
| THE Briarswood (Burton Lane) Management Company Limited | Real estate | 2005 |
| THE Broadway Fish House Limited | Hospitality | 2019 |
| THE C.R. Surg Limited | Real estate | 2010 |
| THE Cake Dream Limited | Wholesale & retail | 2021 |
| THE Car LOT Limited | Wholesale & retail | 2012 |
| THE Career Coaching Partnership Ltd | Professional & scientific | 2025 |
| THE Coffee Hub Ltd | Wholesale & retail | 2026 |
| THE Cotswolds GEM Ltd | Wholesale & retail | 2020 |
| THE Curtain Clinic Limited | Other services | 1993 |
| THE Diamond Collective CIC | Other services | 2025 |
| THE Expanse Partnership Ltd | Professional & scientific | 2021 |
| THE Fertility Trading Company Limited | Administrative & support | 2018 |
| THE Footsteps Trust | Arts & recreation | 2011 |
| THE Future Cross CIC | Education | 2022 |
| THE Gasfather Plumbing Services Ltd | Construction | 2021 |
| THE GAV Show Limited | Professional & scientific | 2023 |
| THE Gifted Organisation Limited | Education | 2013 |
| THE Go Hub | Arts & recreation | 2018 |
| THE Goldridge Trading Company Limited | Wholesale & retail | 2018 |
| THE Greek Street Food Company (London) Ltd | Hospitality | 2019 |
| THE Green Village Catering Limited | Hospitality | 2019 |
| THE Handy Home Pro Ltd | Construction | 2020 |
| THE Haven Nails Lounge Ltd | Other services | 2025 |
| THE Herbalists of Yorkshire Limited | Wholesale & retail | 2021 |
| THE Hertford Gardener Limited | Other services | 2026 |
| THE Hickman Avenue Management Company Limited | Households | 2016 |
| THE Hospitality Collection Limited | Hospitality | 2025 |
| THE Ideas Hub Limited | Education | 2014 |
| THE Imperial Collective Ltd | Wholesale & retail | 2026 |
| THE Jore Ltd | Professional & scientific | 2016 |
| THE Jungle Box Softplay Limited | Arts & recreation | 2025 |
| THE Kebbay Koncept Ltd | Administrative & support | 2014 |
| THE Lamsdale Group Ltd | Transport & logistics | 2011 |
| THE Landscape & Garden Company Ltd | Administrative & support | 2007 |
| THE Little & Large Sauce Company Ltd | Manufacturing | 2024 |
| THE London Boxing Academy Trust | Arts & recreation | 2011 |
| THE Mauritian New Year's EVE Company Ltd | Arts & recreation | 2025 |
| THE NAV World Ltd. | Manufacturing | 2012 |
| THE Nigerian Children Cause CIC | Financial services | 2022 |
| THE Orchard Management Company (Goffs Oak) Limited | Other services | 2021 |
| THE Palace Banqueting Suite Limited | Hospitality | 2023 |
| THE Palace Events Limited | Real estate | 2025 |
| THE Pallet Supply Company Ltd | Wholesale & retail | 2025 |
| THE Pamper Party Ltd | Hospitality | 2025 |
| THE Pilates DEN Ltd | Arts & recreation | 2025 |
| THE Plain Consulting Company Ltd | Professional & scientific | 2022 |
| THE Professional Boxing Association Limited | Administrative & support | 1997 |
| THE Rainbow Collections Ltd | Arts & recreation | 2020 |
| THE Roofing & Building Experts Ltd | Construction | 2023 |
| THE Roofing GUY Ltd | Construction | 2026 |
| THE SHE Hub Ltd | Wholesale & retail | 2025 |
| THE Smokewood Catering Company Ltd | Hospitality | 2022 |
| THE Solution Organisation Limited | Professional & scientific | 2001 |
| THE Spirited Camden Ltd | Hospitality | 2019 |
| THE Tallyman Canary Wharf Ltd | Hospitality | 2025 |
| THE Tanning Shop Ltd | Other services | 2023 |
| THE Tesco Indigo Limited Partnership | | 2008 |
| THE Trainer Guru Ltd | Administrative & support | 2024 |
| THE Tribeca Storehouse Ltd | Hospitality | 2025 |
| THE Tyre Shop Cheshunt Ltd | Wholesale & retail | 2018 |
| THE UK Electric Vehicle Company Limited | Wholesale & retail | 2020 |
| THE Vision Hub Limited | Financial services | 2014 |
| THE Waldens Management Company Ltd | Households | 2024 |
| THE Wellness Detective Limited | Other services | 2023 |
| THE Windmill (Cheshunt) Management Company Limited | Households | 2024 |
| Thebe Gynae Care Ltd | Administrative & support | 2024 |
| Thecez Ltd | Transport & logistics | 2024 |
| Thecla Technologies & Services Ltd | Information & communication | 2025 |