| Bumps to Babies Limited | Ely | 2007 |
| Bumps, Babes & Tots Ltd. | Chelmsford | 2013 |
| Bumsy Healthcare Services Limited | Edinburgh | 2020 |
| Bumydudu Ltd | Walsall | 2022 |
| Bunabiro Professionals Ltd | Southall | 2025 |
| Buncad Care Services Ltd | Bradford | 2022 |
| Buncer Lane Pharma Limited | Blackburn | 2019 |
| Bundas Radiology Ltd | Northampton | 2012 |
| Bundhoo Consultancy Limited | Cardiff | 2016 |
| Bundle Health Ltd | Droitwich | 2018 |
| Bundle of Blessings Care Limited | Oldham | 2024 |
| Bundred Medico-Legal Limited | Wilmslow | 2012 |
| Bunenstar Limited | Sutton Coldfield | 2025 |
| Bunery Healthcare Ltd | London | 2026 |
| Bunescu Dent Ltd | Bristol | 2022 |
| Buneto Healthcare Ltd | Erith | 2018 |
| Bungay Community Centre | Bungay | 2004 |
| Bungee Boutique Ltd | Loughborough | 2025 |
| Bunkylat Service Limited | London | 2016 |
| Bunmi Health Ltd | Leeds | 2023 |
| Bunmi Kuforiji Limited | Gillingham | 2021 |
| Bunn Medical Limited | Lisburn | 2010 |
| BUNNIESN15 Ltd | London | 2025 |
| Bunny Care Services Ltd | Watford | 2024 |
| Bunny HOP Ltd | Camberley | 2013 |
| Buno Enterprise Limited | Andover | 2022 |
| Bunon Ltd | London | 2026 |
| Bunor Limited | Edinburgh | 2025 |
| Bunrad Limited | Tyne And Wear | 2013 |
| Bunting Nursing and Care Ltd | Blackpool | 2014 |
| Bunting Sunia Enterprise Limited | Broadstairs | 2018 |
| Buntingford Dental Care Limited | Crawley | 2011 |
| Buntingville TBS Ltd | Birmingham | 2019 |
| Buntom Health Care Ltd | Greenhithe | 2023 |
| Buntu Care Ltd | Taunton | 2025 |
| Bunvol Ltd | Wigan | 2024 |
| Bunyip Services Limited | Penzance | 2021 |
| Bunyoro Kitara Convention and Events Ltd | Orpington | 2024 |
| Buoyancy Solutions Ltd | Manchester | 2024 |
| Buoyant Care UK Limited | Uxbridge | 2022 |
| Bupa Care Homes (Cale View) Limited | London | 2015 |
| Bupa Care Homes (Cfchomes) Limited | London | 1986 |
| Bupa Care Homes (Cfhcare) Limited | London | 1992 |
| Bupa Care Homes (GL) Limited | London | 1981 |
| Bupa Care Homes (HH Bradford) Limited | London | 2007 |
| Bupa Care Homes (HH Hull) Limited | London | 2007 |
| Bupa Care Homes (HH Northumberland) Limited | London | 2009 |
| Bupa Care Homes (HH Scunthorpe) Limited | London | 2007 |
| Bupa Care Homes (PT Lindsay) Limited | London | 2013 |
| Bupa Care Homes (PT Links) Limited | London | 2010 |
| Bupa Care Services (Commissioning) Limited | London | 1997 |
| Bupa Dental Services Limited | Bristol | 1950 |
| Bupa Occupational Health Limited | London | 1959 |
| Bupe Bwandi Healthcare Ltd | Leicester | 2021 |
| Burada Care Ltd | Haverhill | 2019 |
| Burago Care Services Limited | Harrow | 2024 |
| BURAH42 Ltd | London | 2022 |
| Burak Healthcare Ltd | Radcliffe | 2025 |
| Burama Limited | Gwent | 2019 |
| Buraq Meds Ltd | Glasgow | 2023 |
| Buraservcy Ltd | London | 2021 |
| Burbage Consulting Ltd | Mansfield | 2012 |
| Burbage House Health Clinic Limited | Hinckley | 2009 |
| Burbage Nature Nursery Ltd | Hinckley | 2025 |
| Burbidge Psychological Services Ltd | Hull | 2009 |
| Burbury Street Surgery Limited | Hitchin | 2012 |
| Burchell Medical Services Limited | Romsey | 2021 |
| Burchell Wellness Ltd | London | 2025 |
| Burcot Grange Care Home Limited | London | 2015 |
| Burcot Limited | London | 2015 |
| Burd Skin Care Ltd | Leicester | 2011 |
| Burden Neurological Institute (the) | Bristol | 1970 |
| Burdenfreeliving Ltd | London | 2020 |
| Burdess Group Limited | Silsden | 2021 |
| Burdett Medical Ltd | Liverpool | 2023 |
| Burds EYE View Ltd | London | 2021 |
| Bureau Health Ltd | Cambridge | 2021 |
| Bureaucom Limited | Orpington | 1982 |
| Burgess Cardiovascular Limited | Southport | 2019 |
| Burgess Care Limited | Warrington | 1996 |
| Burgess Chiropractic Ltd | Maidstone | 2016 |
| Burgess Clinical Limited | Solihull | 2022 |
| Burgess Hill Dental Care Limited | Burgess Hill | 2010 |
| Burgess Medical Ltd | Birmingham | 2023 |
| Burgess Professional Services Limited | Bushey | 2014 |
| Burgh Castle Community Service Ltd. | Great Yarmouth | 2018 |
| Burgh Heath Lodge Limited | Surrey | 2005 |
| Burgh House Residential Care Home Limited | Great Yarmouth | 1999 |
| Burghelea Ltd | Gateshead | 2015 |
| Burghfield Dental Care Limited | Camberley | 2008 |
| Burghley Care Limited | Leeds | 2021 |
| Burghley Group Limited | Leeds | 2019 |
| Burghley Road Under Fives Community Centre | London | 1996 |
| Burghurst Medical Ltd | Scunthorpe | 2024 |
| Burgundy Care Services Ltd | Huddersfield | 2010 |
| Burgway Ltd | York | 2019 |
| Burhan Dent Limited | Glasgow | 2008 |
| Burhan Pharma Ltd | Bradford | 2024 |
| Burhani Locum Services Limited | Stockport | 2011 |
| Burhani Ltd | Bradford | 2016 |