| Thai Next Door Ltd | Hospitality | 2019 |
| Thames Delta Ltd | Information & communication | 2021 |
| Thames Hamlet "Block G" Management Company Limited | Households | 1990 |
| Thames Hamlet Block "a" Management Company Limited | Households | 1990 |
| Thames Hamlet Block "B" Management Company Limited | Households | 1990 |
| Thames Hamlet Block "C" Management Company Limited | Real estate | 1990 |
| Thames Hamlet Block "D" Management Company Limited | Households | 1989 |
| Thames Hamlet Block "E" Management Company Limited | Households | 1989 |
| Thames Hamlet Block "F" Management Company Limited | Real estate | 1989 |
| Thames Hamlet Block "H-J" Management Company Limited | Real estate | 1990 |
| Thames Road Management Company Limited | Households | 2004 |
| Thames Valley Solutions Ltd | Real estate | 2022 |
| Thameside Capital Limited | Financial services | 2024 |
| Thameside Fire Protection Systems Limited | Construction | 2013 |
| Thameside Lifting Limited | Construction | 1979 |
| Thameside Supplies Limited | Wholesale & retail | 2014 |
| Thameside Window Solutions Limited | Construction | 2014 |
| That Used Car Ltd | Wholesale & retail | 2025 |
| THE Achievable Project CIC | Education | 2020 |
| THE Afroniche Society CIC | Information & communication | 2026 |
| THE Apartments by Cyrus UK Ltd | Hospitality | 2025 |
| THE Beach HUT Bistro (WOS) Limited | Hospitality | 2015 |
| THE Beauty Mastery Academy Ltd | Education | 2025 |
| THE Beauty Room by Nina Ltd | Other services | 2026 |
| THE Bell Inn Horndon Limited | Hospitality | 2011 |
| THE Big Yellow Grab Hire Ltd | Administrative & support | 2008 |
| THE Brook Place International | Health & social care | 2016 |
| THE BSL GRP Ltd | Real estate | 2019 |
| THE Business Circle Ltd | Administrative & support | 2025 |
| THE Carers Group Ltd | Public administration | 2020 |
| THE CDC Circle Limited | Health & social care | 2025 |
| THE Classic Hair Company (Essex) Ltd | Other services | 2019 |
| THE Clock Pkkr Ltd | Wholesale & retail | 2025 |
| THE Cloisters (Dartford) Management Company Limited | Households | 1988 |
| THE Cologne Cartel Limited | Manufacturing | 2019 |
| THE Cornhill Group Services Ltd | Health & social care | 2018 |
| THE Creative Blast Company Limited | Arts & recreation | 2009 |
| THE Digital Management LAB Ltd | Professional & scientific | 2026 |
| THE Door Properties Ltd | Real estate | 2023 |
| THE E-Shop Way Ltd | Wholesale & retail | 2024 |
| THE EC Group Employee Ownership Trustee Limited | Financial services | 2023 |
| THE Education Centre - London Ltd. | Education | 2002 |
| THE Ember Rooms Limited | Health & social care | 2026 |
| THE Ephgrave Chair Company Ltd | Manufacturing | 2018 |
| THE Exchange (Tilbury) Management Company Ltd | Households | 2018 |
| THE Explorer’S Hub Adventures Ltd | Health & social care | 2025 |
| THE Fadey Cutz Ltd | Other services | 2025 |
| THE Fit-Out Firm Ltd | Construction | 2026 |
| THE Flowerwall Boutique Ltd | Wholesale & retail | 2020 |
| THE Fludyers Limited | Hospitality | 2013 |
| THE FOX Orsett Limited | Hospitality | 2025 |
| THE Ginger Giggle Club Limited | Arts & recreation | 2025 |
| THE Goshen Project Ltd | Manufacturing | 2023 |
| THE Haven Nation CIC | Other services | 2011 |
| THE Healthier Happier YOU Limited | Administrative & support | 2016 |
| THE Heating Guys NW Ltd | Construction | 2021 |
| THE Imperial Table Group Ltd | Hospitality | 2025 |
| THE Kauffie Company Limited | Manufacturing | 2020 |
| THE Koleve Creative Limited | Other services | 2018 |
| THE Labwarehouse Limited | Wholesale & retail | 2000 |
| THE Langdon GC Limited | Arts & recreation | 2026 |
| THE Language GAP Ltd | Administrative & support | 2017 |
| THE Latin Plaza Ltd | Wholesale & retail | 2022 |
| THE Layo Hair Company Ltd | Other services | 2019 |
| THE Little Yarn HUT Limited | Wholesale & retail | 2021 |
| THE London Antique Mirror Company Limited | Wholesale & retail | 2012 |
| THE London Fire Glass Company Limited | Extraterritorial | 2018 |
| THE London Lantern CIC | Administrative & support | 2026 |
| THE M&M Collective Ltd | Wholesale & retail | 2025 |
| THE Mardyke Pavilion CIC | Arts & recreation | 2012 |
| THE MEA Academy Ltd | Administrative & support | 2020 |
| THE MFP Plumbers Ltd | Construction | 2026 |
| THE Padel Fiesta Ltd | Administrative & support | 2025 |
| THE Panel Delivery Company Limited | Wholesale & retail | 2023 |
| THE Parent Watch Network Ltd | Information & communication | 2024 |
| THE Property Home Essex Ltd | Construction | 2009 |
| THE Redeemed Christian Church of GOD, Jesus People Parish (North Woolwich) | Other services | 2013 |
| THE Reinforced Concrete Company Ltd | Professional & scientific | 2016 |
| THE Roar Empire CIC | Education | 2020 |
| THE Rophi Foundation CIC | Education | 2025 |
| THE Sandpipers (NO.2) Chafford Hundred Limited | Households | 2002 |
| THE Scran Van One Ltd | Hospitality | 2025 |
| THE Second Generation Company (1994) Limited | Real estate | 1994 |
| THE Seventh Sky Ltd | Extraterritorial | 2019 |
| THE Shaad Supply Limited | Wholesale & retail | 2026 |
| THE Shakinah Company Ltd | Professional & scientific | 2025 |
| THE Shower LAB Ltd | Wholesale & retail | 2011 |
| THE Snack Avenue Ltd | Wholesale & retail | 2026 |
| THE Sneaker House Ltd | Wholesale & retail | 2023 |
| THE Superlative Food Company Ltd | Hospitality | 2020 |
| THE Supp Shed Ltd | Wholesale & retail | 2024 |
| THE Tax Lead Limited | Professional & scientific | 2022 |
| THE Venus Code Ltd | Administrative & support | 2015 |
| THE Wild Minnow Ltd | Wholesale & retail | 2020 |
| THE World Bazaar Ltd | Wholesale & retail | 2025 |
| THE Worlington Walnut Tree Limited | Hospitality | 2010 |
| THE Wylie Veterinary Centre Limited | Professional & scientific | 2013 |
| Thebydguy Ltd | Wholesale & retail | 2025 |
| Theenailbarb Ltd | Wholesale & retail | 2025 |
| Thehypermarket Limited | Wholesale & retail | 2011 |