| THE Dsla Homes Family Limited | Real estate | 2024 |
| THE Estate Agents AI Ltd | Information & communication | 2026 |
| THE Experience by Ampofoa Ltd | Administrative & support | 2024 |
| THE Fabric Shop & Interiors Ltd | Wholesale & retail | 2018 |
| THE Farmor Consultancy Ltd | Professional & scientific | 2025 |
| THE FCB Invest Corp Ltd | Financial services | 2024 |
| THE Festival Travel Shop Ltd | Administrative & support | 2019 |
| THE Frame Shed Ltd | Other services | 2023 |
| THE German Piano Centre Limited | Extraterritorial | 2008 |
| THE German Piano Warehouse Limited | Extraterritorial | 2008 |
| THE Goldfinch Trust | Education | 2025 |
| THE Greek Table Ltd | Hospitality | 2025 |
| THE Groove Burger Ltd | Hospitality | 2025 |
| THE Handmade Christmas Co Limited | Wholesale & retail | 2015 |
| THE Health Power Driver Corporation Limited | Manufacturing | 2018 |
| THE Heat Death Company Ltd | Information & communication | 2026 |
| THE Homestead Products Limited | Extraterritorial | 2015 |
| THE Imperial Property Company (Norwich 2) Limited | Construction | 2003 |
| THE JTC Partnership Limited | Professional & scientific | 2025 |
| THE K9 Archive Ltd | Other services | 2024 |
| THE Land and Construction Group Ltd | Construction | 2019 |
| THE Landscape Construction Company Ltd | Professional & scientific | 2022 |
| THE Last Music Company Limited | Information & communication | 2015 |
| THE LC Group (London) Ltd | Construction | 2023 |
| THE Lightforce Group Ltd | Professional & scientific | 2019 |
| THE Local Roofing Company Limited | Construction | 2022 |
| THE Lovely Chalet Company Limited | Hospitality | 2016 |
| THE Mary Jones Dental Practice Ltd | Health & social care | 2019 |
| THE Maywood Close Management Company Limited | Households | 1999 |
| THE Minmetal Consulting Co., Ltd | Extraterritorial | 2015 |
| THE MOB Film Company (Liverpool) Limited | Information & communication | 2002 |
| THE MOB Film Company Limited | Information & communication | 1993 |
| THE Mortgage Advisor Ltd | Financial services | 2022 |
| THE Mortgage Consultancy Limited | Extraterritorial | 2008 |
| THE Oaks Eltham Ltd | Hospitality | 2020 |
| THE Offshore Coffee House Limited | Hospitality | 2018 |
| THE Old Fire Station Mews (Beckenham) Company Limited | Households | 1993 |
| THE Old School Farm LLP | | 2023 |
| THE One Stop Loft Shop Limited | Construction | 2001 |
| THE Orthotists Ltd | Health & social care | 2023 |
| THE Paint and Body Shop Ltd | Wholesale & retail | 2018 |
| THE Penge Shed Community Interest Company | Health & social care | 2025 |
| THE RE Method Ltd | Health & social care | 2025 |
| THE Recycling Co (TRC) Ltd | Wholesale & retail | 2021 |
| THE Sainte FOY Chalet Company Limited | Real estate | 2015 |
| THE Salon Park Langley Ltd | Administrative & support | 2020 |
| THE Sanctuary Copers Cope Limited | Households | 2006 |
| THE SJA Family Sports and Mentoring Limited | Arts & recreation | 2011 |
| THE Sleep and Life Coach Limited | Extraterritorial | 2023 |
| THE Star and the Sea Limited | Information & communication | 2021 |
| THE Tasty Moon Ltd | Hospitality | 2021 |
| THE Telecommunications United Kingdom Fraud Forum Limited | Information & communication | 2000 |
| THE Thames Executive Charter Company Limited | Transport & logistics | 2006 |
| THE Training Academy by Hbtherapy Ltd | Other services | 2007 |
| THE Tudors Management (Beckenham) Limited | Households | 1980 |
| THE UK Waugh's Co., Ltd. | Extraterritorial | 2021 |
| THE Unsigned Library Limited | Information & communication | 2014 |
| THE Upper Scale HDS Ltd | Wholesale & retail | 2020 |
| THE Upper Scale Home Delivery Service Ltd | Manufacturing | 2020 |
| THE Village Fish and Chips Beckenham Limited | Hospitality | 2020 |
| THE VW Engine Company Limited | Extraterritorial | 2012 |
| THE Warehouse London Limited | Households | 2017 |
| THE Wastebusters London Limited | Administrative & support | 2013 |
| THE Willows Beckenham Limited | Households | 2022 |
| THE Winchmore Hill Supper Club Ltd | Hospitality | 2024 |
| THE Zeros Art Ltd | Arts & recreation | 2020 |
| THE12THMANCOLLECTIVE Ltd | Professional & scientific | 2026 |
| Theappianway Ltd | Health & social care | 2025 |
| Thebestxin Ltd | Wholesale & retail | 2025 |
| Thelatestsounds Ltd | Information & communication | 2019 |
| Thestylesponge Ltd | Arts & recreation | 2017 |
| Theworkrooms Ltd | Extraterritorial | 2019 |
| Thewriteup Ltd | Professional & scientific | 2022 |
| Thima Green Limited | Construction | 2013 |
| Thinkmole Co., Ltd. | Wholesale & retail | 2021 |
| Third EYE Design Ltd | Professional & scientific | 2018 |
| Third Wave Coffee Group Limited | Hospitality | 2017 |
| This IS Commonplace Ltd | Education | 2025 |
| Thom Browne UK Limited | Wholesale & retail | 2016 |
| Thomas & Co HR Consultancy Limited | Administrative & support | 2022 |
| Thomas & Co Properties Limited | Real estate | 2022 |
| Thomas & Co Real Estate Limited | Financial services | 2024 |
| Thomas Brand Limited | Extraterritorial | 2019 |
| Thomas Hayley Ltd | Real estate | 2020 |
| Thomas Hayley Property Maintenance Ltd | Administrative & support | 2025 |
| Thomas Mews Limited | Real estate | 2024 |
| Thomson Electric Co., Ltd. | Manufacturing | 2024 |
| Thorntondene Residents Society Limited | Households | 1965 |
| Three a Union Industry Co., Ltd | Manufacturing | 2025 |
| Three Coins International Group Ltd | Extraterritorial | 2020 |
| Three Four Two Beckenham Ltd | Other services | 2025 |
| Three Sisters Shropshire Limited | Agriculture & fishing | 2010 |
| Threefold Productions Ltd | Information & communication | 2026 |
| Threemark Limited | Real estate | 2003 |
| Thryve Wellness Limited | Wholesale & retail | 2025 |
| Thunder Holding Group Limited | Manufacturing | 2024 |
| Thunder Lion Ltd | Financial services | 2023 |
| Thunder Network Limited | Information & communication | 2018 |
| Thwack! Ltd | Information & communication | 2014 |
| Tianhe Conveying Machine Co., Ltd | Extraterritorial | 2013 |