| Temis Consulting Ltd | Professional & scientific | 2020 |
| Temo Trade Limited | Wholesale & retail | 2010 |
| Temp Network Limited | Administrative & support | 2009 |
| Temper Temper Chocolate Group Limited | Financial services | 2023 |
| Temper Temper Events Limited | Hospitality | 2023 |
| Temper Temper Supplies Limited | Wholesale & retail | 2023 |
| Temple House Solutions Limited | Professional & scientific | 2016 |
| Temple Star Limited | Professional & scientific | 2010 |
| Temworks Consulting Limited | Information & communication | 2012 |
| Tennyson & Sons Ltd | Health & social care | 2015 |
| Tenprop Limited | Hospitality | 2026 |
| Teqlux Ltd | Manufacturing | 2018 |
| Tera Vega Ltd | Hospitality | 2025 |
| Term Time Properties LLP | | 2009 |
| Terra Design Ltd | Wholesale & retail | 2020 |
| Terra Memento Ltd | Wholesale & retail | 2025 |
| Terra Sacra Ltd | Health & social care | 2013 |
| Terrablu Limited | Other services | 1999 |
| Terrence James Ltd | Real estate | 2024 |
| Terrier SC Limited | Manufacturing | 2002 |
| Terruli Projects Ltd | Construction | 2013 |
| Test Efficiency Limited | Information & communication | 2017 |
| Testamon Ltd | Information & communication | 2024 |
| Tetley Heating Ltd | Construction | 2021 |
| Teylu Kensa Limited | Professional & scientific | 2025 |
| TG Store Ltd | Wholesale & retail | 2026 |
| Tgal Limited | Other services | 2020 |
| Tgctw Limited | Households | 2022 |
| TGM (SE) Limited | Real estate | 2020 |
| TGS Media Limited | Information & communication | 2009 |
| TGT Group Limited | Real estate | 2019 |
| TGV Automation Ltd | Information & communication | 2022 |
| Thackerays Events Ltd | Other services | 2016 |
| Thackerays Restaurants Limited | Hospitality | 2008 |
| Thain Properties (Kent) Ltd | Real estate | 2020 |
| Thames Contemporary Homes (Oval) Limited | Real estate | 1986 |
| Thames Contemporary Homes (Wimbledon) Limited | Real estate | 2022 |
| Thames Health Economics Limited | Professional & scientific | 2015 |
| Thames Motor Group (Slough) Limited | Wholesale & retail | 1999 |
| Thames Motor Group (Tunbridge Wells) Limited | Wholesale & retail | 1998 |
| Thames Motor Group Limited | Professional & scientific | 2021 |
| Thames Service Station Limited | Real estate | 1992 |
| Thane Built Limited | Manufacturing | 2025 |
| That’S My Car Ltd | Information & communication | 2021 |
| That’S My Group Ltd | Financial services | 2021 |
| THE 187 Upper Grosvenor Road Management Company Limited | Professional & scientific | 1992 |
| THE 34 Broadwater Down Management Company Limited | Households | 1998 |
| THE 3H Foundation | Health & social care | 1983 |
| THE 52 Dudley Road Management Company Limited | Households | 1993 |
| THE 6 Guildford Road Management Company Limited | Hospitality | 1997 |
| THE Acupuncture Society Limited | Other services | 1994 |
| THE Adam Rubins Consultancy Ltd | Professional & scientific | 2020 |
| THE Adlab Partnership | | 1998 |
| THE Agency Store Ltd | Professional & scientific | 2022 |
| THE Alliance for Safe Online Pharmacy in the EU Community Interest Company | Information & communication | 2014 |
| THE Angels Have the Phone Box Limited | Financial services | 2026 |
| THE Apphia Group Limited | Financial services | 2021 |
| THE Art of Mind and Body Flow Ltd | Wholesale & retail | 2022 |
| THE Avenue Hair Clinic Limited | Other services | 2024 |
| THE Bambo House Limited | Hospitality | 2023 |
| THE Beach HUT Limited | Wholesale & retail | 2003 |
| THE Beau Nash PUB Co Ltd | Hospitality | 2021 |
| THE Beeches (Edenbridge) Flats Management Company Limited | Households | 2004 |
| THE Beeches (Heron) Limited | Financial services | 2020 |
| THE Benavente Group Ltd | Financial services | 2025 |
| THE Bespoke Black Book Limited | Information & communication | 2013 |
| THE Best Results Company Limited | Administrative & support | 2009 |
| THE Bible Community Ltd | Wholesale & retail | 2024 |
| THE Big Vegan Limited | Extraterritorial | 2019 |
| THE Birdhouse Studio Ltd | Arts & recreation | 2017 |
| THE Black Dog Cafe Limited | Hospitality | 2010 |
| THE Blended Capital (UK) Co. Ltd | Financial services | 2012 |
| THE Board Service Limited | Administrative & support | 2011 |
| THE Bowles Organisation Ltd | Education | 1990 |
| THE Brambles (Crowborough) Residents Management Company Ltd | Households | 2022 |
| THE Brambles (Stone) Management Company Limited | Households | 1998 |
| THE Brambles Apartments (Crowborough) Residents Management Company Ltd | Households | 2023 |
| THE Brand Explorers Ltd | Professional & scientific | 2008 |
| THE Briderie Ltd | Wholesale & retail | 2024 |
| THE Bull at Brenchley Limited | Hospitality | 2015 |
| THE Business Model Ltd | Professional & scientific | 2010 |
| THE Business of Drinks Ltd | Professional & scientific | 2012 |
| THE Business of Psychology Ltd | Professional & scientific | 2023 |
| THE Butchery (Rusthall) Ltd | Wholesale & retail | 2003 |
| THE Cakeshed Ltd | Hospitality | 2012 |
| THE Camera GUY Limited | Information & communication | 2007 |
| THE Card Drop Ltd | Wholesale & retail | 2026 |
| THE Carp Syndicate Limited | Agriculture & fishing | 2011 |
| THE Causeway Coaching Limited | Professional & scientific | 2014 |
| THE Cedars (Paddock Wood) Residents Association Limited | Households | 1989 |
| THE Centre for Economic Security Limited | Information & communication | 2024 |
| THE Chalet Group Ltd | Households | 2026 |
| THE Chapel Hair Salon Number 4 Limited | Other services | 2015 |
| THE Chapel Hair Salon Number 5 Limited | Other services | 2017 |
| THE Chapel Islington Limited | Other services | 2007 |
| THE Chapel Sevenoaks Property Limited | Real estate | 2014 |
| THE Chartwell Manco Limited | Households | 2021 |
| THE Chosen Tribe Ltd | Professional & scientific | 2024 |
| THE Christian School (Takeley) | Education | 2012 |
| THE Claque Theatre Limited | Arts & recreation | 1979 |