| Tharanya Capital Ltd | Real estate | 2025 |
| Tharex Direct Ltd | Professional & scientific | 2021 |
| Tharun Productions Ltd | Information & communication | 2019 |
| That Footshop Ltd | Health & social care | 2013 |
| Thavanesan Holdings Ltd | Real estate | 2023 |
| Thbo Business Resource Solutions Ltd | Professional & scientific | 2014 |
| THE Gourmet Patisserie Limited | Manufacturing | 2008 |
| THE 5TH Element 2 Ltd | Other services | 2012 |
| THE 87-97 Sudbury Court Road Residents Association Ltd | Real estate | 1998 |
| THE a Club Ltd | Health & social care | 2018 |
| THE a Family Investments Limited | Real estate | 2025 |
| THE A&Z Malik Ltd | Wholesale & retail | 2024 |
| THE A.A.P Consultants Limited | Professional & scientific | 2008 |
| THE Aalz Group Ltd. | Administrative & support | 2020 |
| THE Abodi Group Ltd | Construction | 2022 |
| THE Abstract Union Limited | Professional & scientific | 2009 |
| THE Alco Group Limited | Professional & scientific | 1999 |
| THE Alfa Group International Trading Limited | Construction | 2019 |
| THE Alfa Group Investment and Development Limited | Real estate | 2018 |
| THE ALL Medical Group Ltd | Health & social care | 2021 |
| THE Andrology Centre LLP | | 2025 |
| THE Angsana Practice Limited | Health & social care | 2022 |
| THE Apiary Collective Limited | Professional & scientific | 2019 |
| THE Arches Motor Repairs Ltd | Wholesale & retail | 2022 |
| THE ARK Asia UK Ltd | Professional & scientific | 2016 |
| THE ARM Doctor Limited | Health & social care | 2024 |
| THE Arts Advisory Network Ltd | Information & communication | 2025 |
| THE Asset London Resource Ltd | Real estate | 2022 |
| THE Asset UK Resource Ltd | Real estate | 2022 |
| THE Awaited Foundation | Other services | 2014 |
| THE Badge King Ltd | Wholesale & retail | 2021 |
| THE Baijiu Association Limited | Other services | 2025 |
| THE Beacon Coaching Ltd | Professional & scientific | 2019 |
| THE Big GOB Squad Ltd | Arts & recreation | 2013 |
| THE Big London Blackcab Company Limited | Administrative & support | 2012 |
| THE Bio-Medical Engineering Ltd | Manufacturing | 2014 |
| THE Bits Surplus Store Limited | Wholesale & retail | 2025 |
| THE Black Shop Ltd | Wholesale & retail | 2021 |
| THE Blackstore Limited | Wholesale & retail | 2005 |
| THE Blue Star Gents Hairdressers Ltd | Other services | 2026 |
| THE Bodhi Tree Monastery Limited | Health & social care | 2021 |
| THE Brass Decorative Grille & Repolishing Co. Ltd | Manufacturing | 1993 |
| THE Brew HA HA Cafe Ltd | Hospitality | 2024 |
| THE Brewing Co Ltd | Hospitality | 2023 |
| THE British Training Academy Limited | Administrative & support | 2008 |
| THE Brook Surgery Holdco Limited | Financial services | 2021 |
| THE Brook Surgery Ltd | Health & social care | 2014 |
| THE Brook Surgery Property Limited | Real estate | 2015 |
| THE Brow Bar London Ltd | Other services | 2020 |
| THE Btng Group Limited | Financial services | 2023 |
| THE Burns Unit TLC Limited | Administrative & support | 2009 |
| THE Butterfly & CIE Limited | Water & waste | 2024 |
| THE Candlewick Cottage Company Ltd | Real estate | 2021 |
| THE Caravan Management Company Ltd | Real estate | 2024 |
| THE Career Group Limited | Education | 2015 |
| THE Carenest Yield Investment Limited | Real estate | 2025 |
| THE Carenest Yield Partners Limited | Real estate | 2025 |
| THE Catch Fish & Chips Ltd | Hospitality | 2026 |
| THE Center for Global Research and Studies Ltd | Professional & scientific | 2020 |
| THE Chalfonts Plumbing & Heating Company Limited | Construction | 2024 |
| THE Chambers Property Group Limited | Real estate | 2016 |
| THE Chancellery Residents Company Limited | Other services | 2003 |
| THE Chase (Harrow) Management Company Limited | Households | 2004 |
| THE Cheesecake LAB Ltd | Hospitality | 2025 |
| THE Chelsea Food and Wine Company Limited | Wholesale & retail | 2006 |
| THE Chess Circle Limited | Professional & scientific | 1998 |
| THE Chicken Company (London) Limited | Hospitality | 2020 |
| THE Clean Londoner Limited | Other services | 2023 |
| THE Clerkenwell Jeweller Ltd | Wholesale & retail | 2017 |
| THE Cloisters (Rickmansworth) Management Company Limited | Real estate | 2006 |
| THE Coaching Catalysts Limited | Professional & scientific | 2021 |
| THE Coffee Collaborative Limited | Wholesale & retail | 2015 |
| THE Collective London Limited | Information & communication | 2015 |
| THE Collectors Choice Ltd. | Arts & recreation | 2015 |
| THE College of Central London Ltd. | Education | 1996 |
| THE Communications Hub Limited | Professional & scientific | 2011 |
| THE Community Healing Centre Ltd | Professional & scientific | 2022 |
| THE Coneries Ltd | Real estate | 2020 |
| THE Construction Desk Ltd | Manufacturing | 2019 |
| THE Consultancy of Governance Limited | Professional & scientific | 2025 |
| THE Consultantbank Limited | Information & communication | 2005 |
| THE Continentall Ltd | Wholesale & retail | 2024 |
| THE County Clinic Limited | Health & social care | 2010 |
| THE Cricket Brands and Retail Company Limited | Manufacturing | 2025 |
| THE Crown Beauty Training Academy Ltd | Education | 2022 |
| THE Crystal Cube Ltd | Wholesale & retail | 2020 |
| THE Curry Courtyard Ltd | Hospitality | 2026 |
| THE D Brand Ltd | Wholesale & retail | 2025 |
| THE Dahlia Made Group Ltd | Professional & scientific | 2025 |
| THE Data Laundry Ltd. | Extraterritorial | 2022 |
| THE Datery Ltd | Manufacturing | 2016 |
| THE DEN Studios Ltd | Education | 2017 |
| THE Dental Rooms NW11 (Practice) Limited | Health & social care | 2010 |
| THE Desi Cookie Company Limited | Manufacturing | 2024 |
| THE Desk Corporation Limited | Financial services | 2022 |
| THE Diamond Port UK Ltd | Wholesale & retail | 2024 |
| THE Digital Family Office Limited | Administrative & support | 2026 |
| THE Dinsdale Young Practice Limited | Professional & scientific | 2009 |
| THE Discount Toy Shop Limited | Wholesale & retail | 2011 |
| THE Distinct Contract Company Ltd | Administrative & support | 2019 |