| Bancroft Dental Limited | Hitchin | 2008 |
| Bancroft Home Limited | Mansfield | 2003 |
| Bancroft Psychology Limited | Bedford | 2023 |
| Bancyfelin Orthopaedics Limited | Swansea | 2019 |
| Band AB Company Limited | Dagenham | 2023 |
| Bandarra Medical Services Limited | London | 2024 |
| Bandaru Limited | Wigan | 2022 |
| Bandel Limited | Swindon | 2015 |
| Bandenburg Sachs Limited | Cambridge | 2013 |
| Bandham Ltd | Croydon | 2026 |
| Bandhu Limited | Ormskirk | 2014 |
| Bandino Medical Ltd | Chelmsford | 2024 |
| Bandrsolutions Limited | Limavady | 2008 |
| Bandrum Nursing Home Limited | By Dunfermline | 1986 |
| Bandt 24 HR Healthcare Ltd | Bradford | 2020 |
| Bandtemi Limited | Cottingham | 2023 |
| Banerjee & ROY Healthcare Limited | Harrow | 2017 |
| Banerjee Medical Limited | London | 2020 |
| Banerjee Medical Services Ltd | Manchester | 2024 |
| Banerjee Urology Services Limited | Dartford | 2022 |
| Banfa Ltd | Southport | 2024 |
| Banff Avenue Limited | St. Helens | 2019 |
| Banff Care Limited | Livingston | 1996 |
| Banff Smile Centre Ltd | Peterhead | 2026 |
| Banfield Pilates P.T. Limited | Barnstaple | 2015 |
| Banfra Ltd | Borehamwood | 2017 |
| Banfro Healthcare Ltd | Leeds | 2018 |
| BANFY411 Healthcare Solutions Limited | Preston | 2022 |
| Bang Bang Shiny Shiny Limited | Manningtree | 2014 |
| Banga Medical Services Ltd | Borehamwood | 2019 |
| Bangali Go C.I.C. | Leicester | 2024 |
| Bangalore Ltd | Bexley | 2025 |
| Bangane Ltd | Feltham | 2024 |
| Bange Nursing Homes Limited | Sale | 2007 |
| Bangladesh Benevolent Trust Limited | London | 2024 |
| Bangladesh Buddhist Coun. UK Limited | Ilford | 2023 |
| Bangladesh Centre Leeds | Leeds | 2010 |
| Bangladesh Cultural Association London East Limited | Barking | 2025 |
| Bangladesh Mariners’ Society UK CIC | London | 2023 |
| Bangladesh Multi Purpose Centre | Birmingham | 1998 |
| Bangladesh Probashi Kallyan Foundation | London | 2024 |
| Bangladesh Probashi Odikhar Parishod UK Ltd | London | 2022 |
| Bangladesh Welfare and Community Centre Birmingham CIC | Birmingham | 2026 |
| Bangladesh Welfare Association (United Kingdom) Limited | London | 2017 |
| Bangladesh Welfare Association Birmingham | Birmingham | 2024 |
| Bangladesh Youth Movement | | 1986 |
| Bangladeshi Drugs Project | Ilford | 1998 |
| Bangladeshi Family Welfare and Advice Centre | Southport | 1984 |
| Bangladeshi Italian Family Welfare Association Tower Hamlets (Bifwa) Ltd | London | 2021 |
| Bangladeshi Parents and Carers Association | Bethnal Green | 2000 |
| Bangladeshi Portuguese Welfare Organisation UK Ltd | London | 2016 |
| Banglapharm Ltd | London | 2008 |
| Bango Cares Ltd | Leeds | 2021 |
| Bango Healthcare Limited | Salford | 2021 |
| Bangor Centre for Developmental Disabilities Limited | Rhyl | 2001 |
| Bangor Chiropractic Ltd | Crowthorne | 2011 |
| Bangor Dental Care Ltd | Bangor | 2012 |
| Bangor Foodhub and Community Support Ltd | Bangor | 2021 |
| Bangor Health Clinic Limited | Bangor | 2015 |
| Bangor Smiles Ltd | Belfast | 2013 |
| Bangou Care Services Ltd | Glasgow | 2018 |
| Banhidybros Ltd | London | 2025 |
| Baniqia Ltd | Swansea | 2025 |
| Banisatu Care Services Ltd | London | 2020 |
| Banisters Super Green Limited | Cannock | 2018 |
| Baniyaa Consulting Limited | Bolton | 2022 |
| Banjay Limited | Gainsborough | 2013 |
| Banjokogee Lifestyle Ltd | Rainham | 2025 |
| Banjul Healthcare Ltd | Leeds | 2024 |
| Bank Cottage Dental Limited | Newcastle Upon Tyne | 2016 |
| Bank Farm RDA Limited | Chesham | 2011 |
| Bank House Care Homes Limited | Harrow | 2003 |
| Bank Street Dental Ltd | Edinburgh | 2020 |
| Bankey Health Limited | Leigh | 2019 |
| Bankfield Investments Limited | Enniskillen | 1999 |
| Bankfoot House (Moffat) Ltd. | Moffat | 1964 |
| Bankhouse Care Ltd | Ebbw Vale | 2015 |
| Bankiss Limited | London | 2019 |
| Bankole Care Limited | Harrow | 2013 |
| Banma CIC | Halesowen | 2025 |
| Bann Sakunee Ltd | Cardiff | 2017 |
| Banna Medical Services Limited | Banbury | 2012 |
| Bannatyne Denture Services Ltd | Alloa | 2024 |
| Banner Care Limited | London | 2021 |
| Banner House Support Services Limited | Dartford | 2019 |
| Banner Performance Ltd | Dungannon | 2024 |
| Bannerbrook Health Premises Ltd | Coventry | 2013 |
| Bannerdale Osteopaths Ltd | Sheffield | 2014 |
| Banners Gate Counselling Centre | Road Sutton Coldfield | 2004 |
| Banning Dental Group Ltd | Slough | 2018 |
| Banning Dental LAB Ltd | Slough | 2021 |
| Banning Investments Limited | Abingdon | 2009 |
| Banning Skin Ltd | Slough | 2021 |
| Bannon Healthcare Limited | Cardiff | 2018 |
| Bannow Retirement Home Limited | Brighton | 2008 |
| Bannside 2000 Limited | Craigavon | 2000 |
| Bannukpk Limited | London | 2022 |
| Bano Medical Ltd | Luton | 2020 |
| Banoge Ltd | Belfast | 2013 |
| Banoori Medical Ltd | Skipton | 2016 |