| Baller's DEN Support Services Limited | Chester Le Street | 2023 |
| Ballers Academy Foundation CIC | London | 2021 |
| Ballers Coaching Limited | Rochdale | 2019 |
| Ballers Creed Ltd | Thame | 2025 |
| Ballers SE Football Club Ltd | London | 2024 |
| Ballers Sports Coaching Ltd | Forest Hill | 2019 |
| Ballers United Midlands CIC | Oldbury | 2025 |
| Ballerz in the Making Ltd | Hayes | 2025 |
| Ballerz Limited | Ilford | 2016 |
| Ballet Better Limited | London | 2018 |
| Ballet Body Sculpture London Limited | London | 2017 |
| Ballet Folk Limited | Harlow | 2019 |
| Ballet Fusion Ltd | Dawlish | 2019 |
| Ballet School London Ltd | London | 2019 |
| Ballet Train Limited | Norwich | 2003 |
| Balletforce Ltd | Hertford | 2023 |
| Ballin One CIC | Solihull | 2021 |
| Ballinascreen Early Years | Draperstown | 2016 |
| Ballinross Services Limited | Leigh-On-Sea | 2022 |
| Ballistic Ballers CIC | Stanmore | 2023 |
| Ballistic Coaching Academy Ltd | Manchester | 2025 |
| Balloon Day Nursery Limited | London | 2016 |
| Balloon Training Online Limited | Gateshead | 2010 |
| Balloon Ventures Ltd | London | 2012 |
| Ballroom With Rocky Limited | Hornchurch | 2022 |
| Ballrz Performance Academy Limited | Sheffield | 2026 |
| Ballup C.I.C. | Birmingham | 2026 |
| Ballybeen Women's Centre Limited | | 1996 |
| Ballydown Kids Academy Limited | Banbridge | 2003 |
| Ballydugan Medieval Settlement Ltd | Downpatrick | 2021 |
| Ballygawley Early Years Ltd | Dungannon | 1998 |
| Ballypitmave Community Development Ltd | Belfast | 2023 |
| Balmers Care Farm CIC | Tring | 2024 |
| Balmoral Education Limited | Newcastle Upon Tyne | 2014 |
| Balmoral Learning Trust | Sunderland | 2012 |
| Balrz Group Limited | London | 2024 |
| Balterley Stables Limited | Balterley, Crewe | 2005 |
| Balterley Transport and Training Limited | Crewe | 2012 |
| Baltfin Ltd | Fulham | 2021 |
| Baltic and Albion Maritime Limited | Ashford | 2018 |
| Baltic Football Club Ltd | Peterborough | 2017 |
| Baltic International Security Centre Ltd | London | 2025 |
| Baltic Training Services Limited | Darlington | 2006 |
| Baltic Translations Ltd | London | 2011 |
| Baltic Ventures Limited | Liverpool | 2022 |
| Balvur Ltd | Plymouth | 2025 |
| BAM Construction Training Ltd | Wokingham | 2013 |
| Bama Boado Academy of Martrial Arts Ltd | London | 2023 |
| Bama British Academy of Medical Aesthetics Limited | Bristol | 2017 |
| Bamav Limited | Warrington | 2011 |
| Bambi Lessons Ltd | Manchester | 2022 |
| Bambi's Childcare Ltd | Gloucester | 2014 |
| Bambimusic Limited | London | 2012 |
| Bambini Childcare Ltd | Bedworth | 2006 |
| Bambini Consulting Limited | London | 2023 |
| Bambino Childcare Ltd | Nottingham | 2013 |
| Bambino Day Nursery (Wycombe) Limited | Manchester | 2018 |
| Bambino Daycare Limited | Willesden Green | 2011 |
| Bambino Hannah House Nursery Limited | Manchester | 1999 |
| Bambino Limited | Faringdon | 2005 |
| Bambinocare Ltd | Tottenham | 2025 |
| Bambinos Day Nursery Limited | Croydon | 2009 |
| Bambinos Montessori Nursery Ltd | Hounslow | 2013 |
| Bambinos Play CIC | Birmingham | 2024 |
| Bambinos Tots Ltd | Bury | 2021 |
| Bambis Driving School Limited | Manchester | 2026 |
| Bamboo Bear Nursery Group Ltd | Runcorn | 2018 |
| Bamboo Digital Smart Solutions DI Jabn | London | 2025 |
| Bamboo Education Services Ltd | Fleetwood | 2012 |
| Bamboo Learning Ltd | Leigh | 2018 |
| Bamboo Mobility Project CIC | London | 2025 |
| Bamboo Partnership Ltd | Loughborough | 2020 |
| Bambooh Bicester Ltd | Chipping Norton | 2023 |
| Bambooh Education Ltd | Chipping Norton | 2015 |
| Bambooh Hook Norton Ltd | Chipping Norton | 2023 |
| Bamboozledai Ltd | Thatcham | 2025 |
| Bame Lone Parents Network Ltd | London | 2022 |
| Bame Mental Health Support CIC | Swansea | 2021 |
| Bameccni CIC | Cookstown | 2021 |
| Bamford Pre-School Playgroup C.I.C. | Rochdale | 2014 |
| Bami Driving School Ltd | Camberley | 2016 |
| Bamilek Limited | Glasgow | 2022 |
| Bamlal Ltd | London | 2026 |
| Bammboo Ltd | Littlehampton | 2024 |
| Bammens Community Ventures Limited | Stafford | 2022 |
| Bamref C.I.C. | London | 2025 |
| Bamzyk Limited | St. Albans | 2010 |
| Banah B3 Ltd | Newport | 2026 |
| Banana Link Limited | Norwich | 1996 |
| Banana Moon Franchise Limited | Warwick | 2018 |
| Banana Moon Nursery Ltd | Warwick | 2012 |
| Banbury Cross Nursery Limited | Aberdeen | 2011 |
| Banbury HC Ltd | Badsey | 2026 |
| Banbury School Day Nursery Limited | Bodicote | 2010 |
| Bancroft Meeting Place | Milton Keynes | 1987 |
| Bancroft's School | Essex | 1998 |
| Band of Brothers Online Fitness Limited | Wigan | 2022 |
| Band One Ltd | Birmingham | 2024 |
| Bandaid First AID Training Limited | Southampton | 2018 |
| Bandctraining Ltd | Dunfermline | 2026 |