| THE Beeches (Rocky Lane) Residents Management Company Limited | Households | 2014 |
| THE Bell Tower (Newark) Management Company Limited | Households | 2004 |
| THE Bexhill Hive C.I.C. | Education | 2016 |
| THE Bibio Project Ltd | Wholesale & retail | 2018 |
| THE Big Freeze Ltd | Wholesale & retail | 2025 |
| THE Billionaires Mindset Limited | Information & communication | 2020 |
| THE BIN Bath Limited | Other services | 2025 |
| THE Bitebox Club Ltd | Hospitality | 2026 |
| THE Black Butchers Limited | Hospitality | 2025 |
| THE Blizz Group Limited | Real estate | 2018 |
| THE Bloomers World International Ltd | Public administration | 2018 |
| THE BLU Base Services Ltd | Real estate | 2025 |
| THE Boat Trader 24 Ltd | Manufacturing | 2024 |
| THE Boathouse (Mumbles) Management Company Limited | Households | 2008 |
| THE Boho Goddess Experience Wellness Boutique Club Ltd | Education | 2023 |
| THE Boyomo Ltd | Administrative & support | 2022 |
| THE Braemar Association Limited | Households | 2003 |
| THE Brambles (Tamworth) Managment Company Limited | Households | 2003 |
| THE BRD Commerce Group Ltd | Wholesale & retail | 2025 |
| THE Bridge Store (Banbury) Limited | Wholesale & retail | 2013 |
| THE Brit School Limited | Education | 1989 |
| THE British Society for the History of Mathematics | Education | 1997 |
| THE Broadway (Tooting) Management Company Limited | Extraterritorial | 2014 |
| THE Broker Club Limited | Administrative & support | 2017 |
| THE Btspod Limited | Information & communication | 2023 |
| THE Buddha Belly Company (UK) Limited | Real estate | 2013 |
| THE Building Design Workshop Limited | Administrative & support | 2010 |
| THE Bullion LAB Ltd | Wholesale & retail | 2025 |
| THE Businessmen Network Trust Limited | Information & communication | 2007 |
| THE Cake Boutique Limited | Hospitality | 2013 |
| THE Cake Shop (Norwood) Limited | Wholesale & retail | 2022 |
| THE Calming Corner Ltd | Extraterritorial | 2025 |
| THE Car Co (Chelsea) Ltd | Administrative & support | 2017 |
| THE Careers Sanctuary Limited | Education | 2018 |
| THE Carers Club Limited | Administrative & support | 2025 |
| THE Caridon Foundation | Hospitality | 2017 |
| THE Caring Fuel Collective Ltd | Transport & logistics | 2025 |
| THE Carlton Court Management (RTM) Limited | Households | 2005 |
| THE Cassette Club Ltd | Arts & recreation | 2025 |
| THE Cat Action Trust | Other services | 2009 |
| THE Catering Decor Co Ltd | Hospitality | 2023 |
| THE Cauldron Cafe Emporium Ltd | Hospitality | 2024 |
| THE Cedar and the Crown Ltd | Hospitality | 2026 |
| THE Chai Project Limited | Hospitality | 2026 |
| THE Chapel Residents Company Limited | Households | 2004 |
| THE Charm Brighton Limited | Hospitality | 2020 |
| THE Chase Apartments (Lindford) Management Company Limited | Households | 2008 |
| THE Chosen Ones for JN+ Media Ltd | Manufacturing | 2025 |
| THE Churches of GOD in UK | Other services | 1989 |
| THE Cigar Factory Ltd | Households | 2017 |
| THE Cinnamon Square (Kent) Limited | Hospitality | 2012 |
| THE City of London International College Ltd | Education | 2025 |
| THE City of London International School Ltd | Education | 2025 |
| THE Clayburn Road Management Company Limited | Households | 2005 |
| THE Clean State Group Ltd | Administrative & support | 2024 |
| THE Collective LF Ltd | Professional & scientific | 2023 |
| THE Collectors Treasury Ltd | Wholesale & retail | 2025 |
| THE Company of Human Resource Professionals Limited | Other services | 2017 |
| THE Concept Outlet Ltd | Wholesale & retail | 2018 |
| THE Conglomerates @BIZ Limited | Real estate | 2017 |
| THE Conscious Scout LLP | | 2026 |
| THE Content POD Limited | Professional & scientific | 2021 |
| THE Cookies of Cook Limited | Professional & scientific | 2022 |
| THE Copperfields House Management Company Limited | Households | 2007 |
| THE Coppice Residents Management Company Limited | Households | 1999 |
| THE Coppice Sutton Road Maidstone Management Company Limited | Households | 2015 |
| THE Cotswold Pharmacy Ltd | Health & social care | 2024 |
| THE Courtyard (Horsham) Management Company Limited | Households | 2015 |
| THE Craft Beer Channel Ltd | Hospitality | 2014 |
| THE Creative Suppliers Ltd | Information & communication | 2023 |
| THE Creator Initiative Ltd | Construction | 2025 |
| THE Creechurch Property Management Company Limited | Households | 2000 |
| THE Crescent (Hatfield) Management Company Limited | Households | 2006 |
| THE Criterion Management (Reading) Company Limited | Households | 2000 |
| THE Croft Sellindge Management Company Limited | Households | 2004 |
| THE Croham Arms (Croydon) Ltd | Hospitality | 2010 |
| THE Croham Therapy Centre Ltd | Health & social care | 2017 |
| THE Cross (Management Company) NO. 1 Limited | Households | 2010 |
| THE Croydon 60+ Benevolent Fund Limited | Health & social care | 2009 |
| THE Croydon Brewing Company Ltd | Manufacturing | 2024 |
| THE Crucible Residents Association Limited | Households | 2003 |
| THE Cumberland Apartments Management Limited | Households | 2011 |
| THE Curry House PVT Ltd | Hospitality | 2025 |
| THE D Foundation | Arts & recreation | 2003 |
| THE Demerara Trading Company Limited | Manufacturing | 2003 |
| THE Dene Shirley Residents Association Limited | Real estate | 1994 |
| THE Dermal Dose Ltd | Other services | 2026 |
| THE Detail by Laura Sawyer Limited | Arts & recreation | 2023 |
| THE Diamond Direct Limited | Hospitality | 2024 |
| THE Distinctive Developer Ltd | Construction | 2025 |
| THE Doctors League Ltd | Administrative & support | 2019 |
| THE Dog NO Bull Ltd | Hospitality | 2025 |
| THE Dolly Hub Ltd | Other services | 2025 |
| THE Drain Guru Ltd | Construction | 2025 |
| THE Dressing Room 2 Limited | Wholesale & retail | 2009 |
| THE Drive (Harold Hill) Management Company Limited | Households | 2014 |
| THE Drivers Union Limited | Other services | 2020 |
| THE Dunes (Formby) Management Limited | Real estate | 2018 |
| THE Durlers Management Company Limited | Households | 1988 |
| THE EAR WAX Removal Company Ltd | Health & social care | 2019 |