| Boulaidicare Limited | Plymouth | 2021 |
| Boulevard Care Limited | Lincolnshire | 2011 |
| Boulevard Dental Care Ltd | Ilford | 2015 |
| Boulevard Lodge Limited | Southend-On-Sea | 2011 |
| Boulevard Medical Practice Ltd | Halifax | 2019 |
| Boulevard Spa 25 Limited | Weston-Super-Mare | 2012 |
| Boultbee & Co Limited | Northampton | 2012 |
| Boulton Dental Laboratories Limited | West Yorkshire | 2005 |
| Bounce Back (SW) Ltd | Exeter | 2019 |
| Bounce Back Foundation | Brighton | 2011 |
| Bounce Back Health Limited | Salisbury | 2015 |
| Bounce Back Healthcare Solutions Ltd | Luton | 2020 |
| Bounce Back Physio Ltd | Harleston | 2010 |
| Bounce Back Project Limited | Brighton | 2013 |
| Bounce Back Psychology Limited | Warrington | 2024 |
| Bounce Childrens Therapy Limited | Tunbridge Wells | 2011 |
| Bounce Nursery Care Ltd | London | 2015 |
| Bounce OT Stirling CIC | Stirling | 2017 |
| Bounce Podiatry Limited | London | 2021 |
| Bounce Supplements Ltd | Stamford | 2025 |
| Bounce Trauma Resolution Ltd | Shrewsbury | 2016 |
| Bouncebackability Ltd | Chatham | 2026 |
| Bounceot Group Ltd | Stirling | 2025 |
| Bouncing Beans Nursery Limited | Norwich | 2015 |
| Bouncing Bunnies Childcare Ltd | Northampton | 2025 |
| Bouncy Bees Childcare Ltd | London | 2019 |
| Bound Together CIC | Redditch | 2024 |
| Boundary Breakers Cricket Club CIC | Birmingham | 2026 |
| Boundary Health Limited | Gerrards Cross | 2022 |
| Boundary Skin Limited | Hindlip | 2025 |
| Boundful Limited | Winchester | 2022 |
| Boundless - Artful Wellbeing CIC | Bromsgrove | 2025 |
| Boundless Abilities CIC | Colchester | 2024 |
| Boundless Abilities Support Limited | Elmstead Market | 2025 |
| Boundless Ability Highlands Ltd | Invergordon | 2025 |
| Boundless Healthcare Ltd | Derby | 2018 |
| Boundless Hearts Care Ltd. | London | 2025 |
| Boundless Life Ltd | Sutton In Ashfield | 2025 |
| Boundless Minds Ltd | Nottingham | 2026 |
| Bounds Green Dental Ltd | Northwood | 2017 |
| Bounds Green Health and Fitness Ltd | Pinner | 2022 |
| Bounsen C.I.C. | West Malling | 2024 |
| Bountiful Care & Support Services Limited | Southampton | 2017 |
| Bountifulbeings Limited | Mildenhall | 2025 |
| Bounty Care Services Limited | Braintree | 2022 |
| Bounty Plentitude Ltd | Bracknell | 2024 |
| Bounty Road Dental Practice Limited | Wembley | 2011 |
| BOUNTY247DOMICILIARYCARE Ltd | Bradford | 2025 |
| Bouqui Collections Ltd | Purfleet | 2019 |
| Bourgeon Limited | Banstead | 2004 |
| Bourn Bioscience Limited | Cambridge | 2005 |
| Bourn Hall Limited | Cambridge | 1985 |
| Bournbrook Manor Limited | Birmingham | 2016 |
| Bourne - Citizen Limited | Bournemouth | 2012 |
| Bourne Aesthetics Limited | Bournemouth | 2023 |
| Bourne Anaesthetics Limited | Bray On Thames | 2022 |
| Bourne Chiropractic & Rehabilitation Limited | Farnham | 2023 |
| Bourne Earwax Clinic Ltd | Bourne | 2025 |
| Bourne END Physio & Sports Medicine Clinic Ltd | London | 2025 |
| Bourne Healthcare Ltd | Northwood | 2007 |
| Bourne House Physiotherapy Clinic Limited | Tonbridge | 2004 |
| Bourne Medicolegal Limited | Blackburn | 2016 |
| Bourne Path Limited | Kingston Upon Thames | 2020 |
| Bourne Sportsmed Ltd | Portsmouth | 2010 |
| Bourne Surgical Limited | Bolton | 2017 |
| Bourne Valley Denture Laboratory Limited | Dorset | 2006 |
| BOURNE2CARE Limited | Kingswinford | 2013 |
| Bournefield Limited | Tarporley | 2021 |
| Bournemouth and Poole Healthcare Trust (1) | Bournemouth | 2007 |
| Bournemouth and Poole Urology Limited | Romsey | 2010 |
| Bournemouth Blind Society | Dorset | 2006 |
| Bournemouth Cardiologist Limited | Romsey | 2012 |
| Bournemouth Chiropractic Limited | Bournemouth | 2025 |
| Bournemouth Clear EAR Clinic Ltd | Bournemouth | 2024 |
| Bournemouth Community Church | Bournemouth | 2003 |
| Bournemouth East Collaborative PCN Limited | Bournemouth | 2022 |
| Bournemouth Family Care Limited | Gloucester | 2025 |
| Bournemouth Gateway Club Limited | Bournemouth | 2012 |
| Bournemouth Jewish Support Services | Bournemouth | 2023 |
| Bournemouth Laser EYE Clinic Ltd | Bournemouth | 2014 |
| Bournemouth Rainbow Ltd | Bournemouth | 2014 |
| Bournethorpe Limited | Norwich | 2026 |
| Bournville Care Homes Ltd | Solihull | 2024 |
| Bournville Evangelical Care Centre | North Somerset | 1998 |
| Bournville Grange Limited | Birmingham | 2003 |
| Bournville Healthcare Limited | Birmingham | 2024 |
| Boutique Care Shepperton Ltd | Romford | 2010 |
| Boutique Dentalis Ltd | Wembley | 2022 |
| Boutique Fitness Life Limited | Norwich | 2019 |
| Boutique Hospitals Limited | Liverpool | 2026 |
| Boutique Whitening Australia Limited | Hebden Bridge | 2018 |
| Boutique Whitening Global Holdings Ltd. | Hebden Bridge | 2023 |
| Boutique Whitening Limited | Hebden Bridge | 2014 |
| Bouy UK Limited | London | 2011 |
| Boval Safety and Medical Ltd | Harrogate | 2021 |
| Bove Medica Group Limited | Liverpool | 2025 |
| Boven Safety Management Ltd | Hillsborough | 2016 |
| Bovey Tracey Chiropractic Clinic Limited | Newton Abbot | 2014 |
| BOW Childcare Hub Ltd | London | 2024 |
| BOW Fitness Limited | London | 2025 |