| THE Menswear Shop Ltd | Wholesale & retail | 2024 |
| THE Merry Forester Ltd | Agriculture & fishing | 2023 |
| THE Millers Trust | Real estate | 1995 |
| THE Mobile Coffee Bean Limited | Hospitality | 2018 |
| THE Money App Limited | Information & communication | 2025 |
| THE Moorings Management Company (ST. Albans) Limited | Households | 1988 |
| THE Moorings ST. Albans Limited | Households | 2020 |
| THE Mortgage DEN Limited | Financial services | 2007 |
| THE Moutarde Property Group Ltd | Real estate | 2026 |
| THE Nail Polish Bromley Ltd | Other services | 2024 |
| THE Nails Polish Ltd | Other services | 2026 |
| THE Next Genesis Ltd | Public administration | 2019 |
| THE Ntwrk Online Ltd | Information & communication | 2023 |
| THE Oaks 1 Church Road Shortlands Management Company Limited | Households | 2011 |
| THE Old Courtyard Management Company Limited | Households | 1992 |
| THE Old Elthamians Cricket Limited | Arts & recreation | 2014 |
| THE Original Tasty Jerk Ltd | Hospitality | 2016 |
| THE Oscars Properties Ltd | Professional & scientific | 2024 |
| THE Paediatric Coping Company Ltd | Health & social care | 2025 |
| THE Parking Appeals Company Ltd | Public administration | 2019 |
| THE Permaculture Group Ltd | Professional & scientific | 2024 |
| THE Personal Jeweller Limited | Administrative & support | 2013 |
| THE Pest Control MAN Limited | Other services | 2025 |
| THE Pilates Cloud Ltd | Arts & recreation | 2024 |
| THE Plaice to BE Kebab Bar Limited | Hospitality | 2026 |
| THE Polished Property Maintenance Company Limited | Professional & scientific | 2026 |
| THE Practical Ciso Limited | Information & communication | 2016 |
| THE Prestigious Catering Company Limited | Hospitality | 1999 |
| THE Printworks Clapham B Limited | Real estate | 2024 |
| THE Printworks Clapham Limited | Administrative & support | 2020 |
| THE Property Expert Group Ltd | Real estate | 2019 |
| THE Provincial Grand Lodge of West Kent Property Holdco Limited | Real estate | 2021 |
| THE RE Edit Ltd | Professional & scientific | 2024 |
| THE Residency Management Company Limited | Households | 2024 |
| THE Ridgeway (Chingford) Management Company Limited | Households | 2013 |
| THE Right Choice Property Services Ltd | Households | 2018 |
| THE Right Note Limited | Professional & scientific | 2012 |
| THE Royal Hill Court Residential Headlease Company Limited | Real estate | 2005 |
| THE Royal Hotel (Bath) Ltd | Hospitality | 2020 |
| THE Sauna and Plunge Company Ltd | Health & social care | 2023 |
| THE Scott Arms Ltd | Hospitality | 2008 |
| THE Shrubbery RTM Company Limited | Households | 2008 |
| THE Skin Angel Limited | Health & social care | 2018 |
| THE Solar & Renewables Co. Ltd | Construction | 2020 |
| THE South London Gate Company Ltd | Construction | 2025 |
| THE Staple Remedy Limited | Other services | 2020 |
| THE Stories ARE Black Ltd | Arts & recreation | 2022 |
| THE SUB Supply Ltd | Professional & scientific | 2025 |
| THE Tailored Recruitment Group Ltd | Administrative & support | 2018 |
| THE Tennison Road Management Company Limited | Households | 2012 |
| THE Thorax Clinic Limited | Health & social care | 2025 |
| THE Times Convenience Ltd | Wholesale & retail | 2023 |
| THE Traditional Barber Shop Limited | Other services | 1998 |
| THE Training and Tuition Consultancy Limited | Education | 2013 |
| THE Trinity Close and Hastings Road Management Company Limited | Real estate | 2001 |
| THE Trustees of Harmonix Construction Limited | Professional & scientific | 2020 |
| THE Tudors Management Limited | Real estate | 1989 |
| THE United Holy Revival Church International Limited | Other services | 2025 |
| THE View Belvedere Road Management Limited | Real estate | 2004 |
| THE Village Launderette Ltd | Other services | 2023 |
| THE Village Montessori Limited | Education | 2015 |
| THE Vision App Ltd | Information & communication | 2025 |
| THE Walnut Tree Mews Management Company Limited | Real estate | 2005 |
| THE Water Gardens (Blocks a, B, C, D and E) Management Limited | Households | 1995 |
| THE Water Gardens (Blocks F,G and H) Management Limited | Households | 1996 |
| THE Water Gardens (Blocks J,K,L and M) Management Limited | Households | 1997 |
| THE Water Gardens (Blocks N,P and Q) Management Limited | Households | 1996 |
| THE Web Marketing Agency Limited | Information & communication | 2025 |
| THE Wells Centre Limited | Administrative & support | 2020 |
| THE Westbury (London) RTM Company Limited | Real estate | 2025 |
| THE Westworks (London) RTM Company Limited | Real estate | 2026 |
| THE Willow Project Consultancy Limited | Professional & scientific | 2018 |
| THE WIN Green Trading Company Limited | Wholesale & retail | 2008 |
| THE Windmill Tea Company Limited | Extraterritorial | 1993 |
| THE Wonder of ME Ltd | Information & communication | 2017 |
| THE Wright Lounge Ltd | Other services | 2020 |
| Theatro Tower RTM Company Limited | Households | 2014 |
| Thedigital Ltd | Information & communication | 2014 |
| Thee Mane DUO Ltd | Professional & scientific | 2026 |
| Theevisionstudio Ltd | Other services | 2025 |
| Thelocksmith 24-7 Limited | Administrative & support | 2006 |
| Thensurabi Limited | Hospitality | 2025 |
| Theobil Limited | Real estate | 2012 |
| Theoxlades Ltd | Wholesale & retail | 2022 |
| Thepmfactory Ltd | Arts & recreation | 2008 |
| Thera-P (UK) Limited | Other services | 2013 |
| Thermachill Limited | Construction | 2010 |
| Thermech Insulation Contractors Limited | Construction | 2016 |
| Thewrightrentals Ltd | Real estate | 2022 |
| Thgi Limited | Extraterritorial | 2015 |
| Thicket Limited | Real estate | 1996 |
| Thicket Road Management Co. Limited | Households | 1982 |
| Thigehari Ltd | Wholesale & retail | 2026 |
| Thinmatrix Ltd | Information & communication | 2018 |
| Thirlmere Road Limited | Real estate | 2018 |
| Thirteen Lines Limited | Professional & scientific | 2024 |
| Thistlechain Limited | Hospitality | 1984 |
| THL Coaching Ltd | Extraterritorial | 2018 |
| Thomas FOY Financial Ltd | Financial services | 2018 |
| Thomas FOY Properties Ltd | Real estate | 2024 |