| British Council for Chinese Martial Arts Limited | Canterbury | 2024 |
| British Cupping Society | London | 2008 |
| British Cycling Foundation | Manchester | 2024 |
| British Dental Institute Ltd | London | 2022 |
| British Dyslexia Association | Reading | 1984 |
| British Educational Research Association | London | 2012 |
| British Egyptian Orthopaedic Society Limited | London | 2025 |
| British Esperanto Association(Incorporated)Limited | London | 1907 |
| British European Study Tours Limited | Hadleigh | 1999 |
| British Exploring Society | London | 1989 |
| British Federation of Film Societies(The) | Sheffield | 1978 |
| British Federation of Women Graduates | London | 1933 |
| British Football School Limited | Altrincham | 2012 |
| British Friends of Boys Town Jerusalem | London | 2003 |
| British Friends of Pakistan CIC | Blackburn | 2023 |
| British Friends of Yeshivat Eretz Hatzvi Limited | Edgware | 2009 |
| British Gymnastics Foundation | Newport | 2014 |
| British Horse Loggers Charitable Trust | Morpeth | 2006 |
| British Horse Society(The) | Kenilworth | 1947 |
| British Humanist Association | London | 1928 |
| British Indian Rugby Development CIC | Letchworth Garden City | 2026 |
| British Institute of Professional Dog Trainers | Diss | 1995 |
| British Isles Music Festival | Haslemere | 2012 |
| British IVY International Ltd | Sutton Coldfield | 2025 |
| British Journal of Anaesthesia | Leeds | 2007 |
| British Karate Federation Ltd | Wrexham | 2019 |
| British Muslim Heritage Centre | Whalley Range, Manchester | 2003 |
| British Muslim Trust | London | 2018 |
| British Naturalists' Association | London | 1987 |
| British Northwest Chefs Union Ltd | Liverpool | 2026 |
| British Olympic Foundation | London | 2007 |
| British Orthopaedic Oncology Society Limited | London | 2025 |
| British Plumbing Employers Council (Training) Limited | Derby | 1992 |
| British Psychotherapy Foundation | London | 2012 |
| British Riding Clubs | Kenilworth | 1998 |
| British School of Aviation Ltd | Luton | 2018 |
| British School of Marketing International Limited | Bournemouth | 2014 |
| British School of Watchmaking | Stockport | 2004 |
| British Schools in the Middle East | Southampton | 2012 |
| British Self Defence Governing Body Limited | Wirral | 1992 |
| British SKI Academy Limited | West Byfleet | 1996 |
| British Society for the History of Science(The) | London | 1956 |
| British Society of Aesthetics(The) | Cheadle | 1966 |
| British Society of Urogenital Radiology | Plymouth | 2012 |
| British Somali Community Centre Ltd | London | 2002 |
| British Study Centres Teacher Training Limited | Manchester | 2013 |
| British West India Regiments Heritage Trust CIC | Mitcham | 2023 |
| British Wildlife Centre Limited | Lingfield | 2026 |
| British Youth Opera | London | 1988 |
| British-Bangladeshi Sports Awards CIC | Croydon | 2024 |
| British-Sino Education & Culture Exchange Centre | Guilford | 2019 |
| Britishey Training Centre Ltd | London | 2025 |
| Britishsignlanguageschool Ltd | Wembley | 2025 |
| Britisqual Ltd | Grays | 2024 |
| Britlearn AL Limited | Birmingham | 2024 |
| Britlingua Ltd | Shifnal | 2025 |
| Britma CIC | Mildenhall | 2025 |
| Britology Ltd | Wakefield | 2011 |
| Briton Autism Board Ltd | Dagenham | 2024 |
| Briton Board in Medical Sciences and Allied Specialties for Training and Consulting Ltd | London | 2024 |
| Briton Enterprise Limited | Ushaw Moore | 2013 |
| Briton International Education Group Limited | London | 2024 |
| Britongates Ltd | Oxford | 2013 |
| Britpath Education & Coaching Ltd | London | 2025 |
| Britpk Community Interest Company | Plymouth | 2025 |
| Britpoint Consultants Ltd | London | 2022 |
| Britravelstudy Ltd | Bury St. Edmunds | 2018 |
| Brits College of Learning Ltd | Manchester | 2023 |
| Brits Education Center Ltd | London | 2025 |
| Brits Hub CIC | London | 2026 |
| Britsales Limited | London | 2020 |
| BRITSCHOOL4U Ltd | Shrewsbury | 2022 |
| Britselect Consulting Ltd | London | 2026 |
| Britsfly Ltd | Milton Keynes | 2025 |
| Britsmind AI Ltd | Rochester | 2026 |
| Britsol Education Ltd | Feltham | 2024 |
| Britt Consultants Ltd | Birmingham | 2020 |
| Britten Consulting Limited | London | 2019 |
| Britten Education Group Limited | London | 2018 |
| Brittens Consulting Ltd | Penarth | 2026 |
| Brittons Daycare Limited | Welwyn | 2013 |
| Brittons Repair Studio Limited | Bridlington | 2007 |
| Brittora Ltd | Ruislip, | 2025 |
| Britversity Ltd | Hove Brighton | 2021 |
| Britwise Horizon Ltd | London | 2025 |
| Britwise School Ltd | London | 2026 |
| Brity Group Ltd | Manchester | 2024 |
| Britz College London Ltd | Ilford | 2012 |
| Britzen Education Ltd | Grantham | 2026 |
| Brixham Yacht Club | Brixham | 2018 |
| Brixton Ballers Wheelchair Basketball Club CIC | London | 2023 |
| Brixton Heights CIC | London | 2023 |
| Brixton Topcats Basketball Club Ltd | London | 2024 |
| Brixton Yoga Project Ltd | Leamington Spa | 2022 |
| Brks Group Ltd | London | 2024 |
| Broad Bikez CIC | London | 2021 |
| Broad Herizons Ltd | Halifax | 2024 |
| Broad Horizon Tuition Ltd | Walsall | 2021 |
| Broad Horizons Education Trust | Norwich | 2012 |
| Broad Leaf Forest Adventures CIC | Leek | 2015 |