| Bandroom Ltd | Manchester | 2024 |
| Bandstars CIC | Exeter | 2023 |
| Bandung Africa CIC | London | 2026 |
| Banfes Limited | Portsmouth | 2025 |
| Bang UP Books CIC | London | 2025 |
| Bang Your Drum Ltd | Tunbridge Wells | 2023 |
| Bangde Ltd | London | 2026 |
| Bangdrum CIC | Ashton-Under-Lyne | 2010 |
| Banged UP Ltd | Nottingham | 2025 |
| Bangla School CIC | Preston | 2025 |
| Bangladesh Centre(The) | London | 1983 |
| Bangladesh Community Development | Birmingham | 2004 |
| Bangladesh Hindu Association (UK) | London | 2004 |
| Bangladesh Sports Association UK CIC | Birmingham | 2022 |
| Bangladesh Welfare Association Burnley and Pendle | Burnley | 2008 |
| Bangladesh Welfare Learning Centre Limited | Birmingham | 2025 |
| Bangladesh Welfare Society of Barnet | East Barnet | 2004 |
| Bangladesh Youth and Cultural Shomiti | Leicestershire | 1999 |
| Bangladeshi Students and Alumni UK Limited | London | 2024 |
| Bangladeshi Youth Organisation | West Yorkshire | 2003 |
| Bangor Abbey Preschool Ltd | Bangor | 2017 |
| Bank C&T Limited | Hindhead | 2008 |
| Bank Hall Kindergarten Limited | Preston | 1992 |
| Bank Like HER Limited | London | 2025 |
| Bank Training Ltd | Manchester | 2016 |
| Banks' Martial Arts Academy Limited | Newport Pagnell | 2016 |
| Banmo Education Group Ltd | Cambridge | 2026 |
| Banning Academy Ltd | Slough | 2019 |
| Bannon Coaching and Appraisal Limited | Coventry | 2022 |
| Bant Trading Ltd | Eastbourne | 2025 |
| Bantaba Arts Collective CIC | London | 2025 |
| Bantani Cymru CIC | Swansea | 2023 |
| Bantham Surfing Academy Ltd | Kingsbridge | 2010 |
| Bantu Community CIC | Leicester | 2026 |
| Bantu Leadership Limited | Sheffield | 2020 |
| Banville EP Services Ltd | London | 2024 |
| Banya Education CIC | London | 2021 |
| Banyan Educational Consultancy Ltd | London | 2019 |
| Banyan Retreat | Ashford | 2017 |
| BAO BAO Mandarin Ltd | London | 2025 |
| Baobab Independent Together CIC | High Wycombe | 2025 |
| Baopoly Limited | Leeds | 2015 |
| Bapd Global Ltd | London | 2025 |
| Bapio Training Academy Limited | Bedford | 2012 |
| Bapon IT Academy Ltd | Northampton | 2024 |
| Baqi Community Welfare Limited | Newmarket | 2025 |
| Baqson Ltd | Stockton-On-Tees | 2025 |
| Bara Creations Ltd | Birmingham | 2023 |
| Bara Management Ltd | Liverpool | 2020 |
| Barabarani Limited | Milford Haven | 2009 |
| Barakah Bond Ltd | London | 2024 |
| Barakah Education and Wellbeing CIC | Bradford | 2025 |
| Barakah Education Limited | London | 2021 |
| Barakah Educational and Cultural Association | London | 2010 |
| Barakah Infused Career Coaching Ltd | Rainham | 2024 |
| Barakah Kunda School Ltd | London | 2025 |
| Barakah Quran Academy Ltd | Croydon | 2023 |
| BARAKAH101 Ltd | High Wycombe | 2025 |
| Barakat Culture CIC | London | 2016 |
| Barania Ltd | London | 2018 |
| Barbaar TV Ltd | London | 2024 |
| Barbados Overseas Nurses Association | Penge | 2011 |
| Barbados Playgroup | | 2006 |
| Barbara Dutton Educational Consultancy Limited | Wigan | 2017 |
| Barbara Obertyn Training Academy Ltd | Liverpool | 2020 |
| Barbara Turnbull Limited | Carlisle | 2012 |
| Barbaraville Improvement Group Limited | Invergordon | 2000 |
| Barbell and Beers Coaching Limited | Nottingham | 2026 |
| Barber LAB Academy Ltd | Enfield | 2024 |
| Barberi and Newman Academy Trust | Birmingham | 2012 |
| Barbering School Wales Limited | Cardiff | 2021 |
| Barbers Against Prostate Cancer CIC | Plymouth | 2023 |
| BARBERSHOPCHATS10 C.I.C. | Rowley Regis | 2022 |
| Barbican School of London Limited | London | 2019 |
| Barble Dove | Surrey | 2016 |
| Barc (Itmrs) Limited | Andover | 1989 |
| Barcelona Tennis Centre UK Ltd | Solihull | 2016 |
| Barclay Penny Training Co. Limited | Colchester | 2017 |
| Barcoleon FX Limited | Harrow | 2018 |
| Bard Worldwide Limited | Manchester | 2015 |
| Barden Strategic Alignments Limited | Purley | 2007 |
| Bardfield Montessori Day Nursery Ltd | Dunmow | 2020 |
| Bardsley Vale Nursery Ltd | Oldham | 2013 |
| Bare Method Academy Limited | Colchester | 2026 |
| Bare Skin and Body Co Ltd | Northampton | 2024 |
| Bare Skin Inc Ltd | Northampton | 2021 |
| Barefacedgreek | Kenilworth | 2015 |
| Barefoot Academy Ltd | Hove | 2023 |
| Barefoot and Wild CIC | Heywood | 2025 |
| Barefoot Body Training Limited | Sandown | 2018 |
| Barefoot Crew Ltd | King'S Lynn | 2023 |
| Barefoot Group Limited | London | 2019 |
| Barefoot in Business C.I.C. | Glasgow | 2021 |
| Bari EDU Consultants Ltd | Liverpool | 2022 |
| Bari Empire Ltd | Loughborough | 2024 |
| Barington-Coutts Limited | St Johns Wood Aprk | 1992 |
| Baris Tutoring Services Ltd | Enfield | 2021 |
| Barista Masterclass Ltd | Moira | 2025 |
| Bark Side of Midlothian Limited | Edinburgh | 2024 |
| Bark Smart CIC | Harrogate | 2025 |