| Business Energetics Academy Ltd | Dunstable | 2014 |
| Business Energetics Ltd | Dunstable | 2025 |
| Business English Consulting Service Limited | London | 2004 |
| Business English Online Ltd | Manchester | 2022 |
| Business From the Heart Limited | Wrexham | 2017 |
| Business Improvement Training Limited | Bridgwater | 2017 |
| Business Innovation Zone Ltd | Edenbridge | 2014 |
| Business Kids Essex Ltd | Colchester | 2023 |
| Business Knowlge International College Ltd | Cardiff | 2025 |
| Business Language Center Limited | Orpington | 2010 |
| Business Language Champions Ltd | Loughborough | 2011 |
| Business Language Training Limited | South Croydon | 1989 |
| Business Management and Leadership Business School Ltd | Wallington | 2023 |
| Business Management Learning Insight Limited | Larkfield Aylesford | 2015 |
| Business Management School of London Limited | Cardiff | 2019 |
| Business Master Education Development Limited | Kington | 2023 |
| Business Mind Academy Ltd | London | 2025 |
| Business Motivation Seminars Limited | Epsom | 1983 |
| Business Ontology Ltd | London | 2015 |
| Business Professional Training Ltd | Richmond | 2016 |
| Business School Direct London Ltd | Hounslow | 2026 |
| Business School England Limited | Ipswich | 2020 |
| Business School of Commerce and Management Limited | Bromley | 2019 |
| Business Sense Training Limited | Swansea | 2017 |
| Business Services 4 U Ltd | London | 2008 |
| Business Solutions Corporation Ltd | High Wycombe | 2015 |
| Business Solutions Incorporated Ltd | Taunton | 2008 |
| Business Strategy Coach & Trainers Academy Limited | London | 2017 |
| Business Training and Studying Technology Limited | London | 1998 |
| Business Training Ventures Limited | Selby | 2004 |
| Business Tutor Ltd | London | 2023 |
| Business Woman Ltd | Wreakes Lane | 2012 |
| Business World International Organization Ltd | Watford | 2023 |
| Businessdynamics Trust Trading Limited | London | 2003 |
| Businessenglish.Com Ltd | Godalming | 2013 |
| Busy Angels Day Nursery Ltd | London | 2026 |
| Busy AS Bees Nursery Ltd | Gravesend | 2019 |
| Busy Bears (Durham) Limited | Oldham | 2016 |
| Busy BEE Montessori Nursery School Limited | Bury St. Edmunds | 2002 |
| Busy BEE Preschool and Nursery Ltd | Waterlooville | 2026 |
| Busy Bees (Durham) Limited | Oldham | 2016 |
| Busy Bees (Marshalswick) Limited | London | 2006 |
| Busy Bees @ ST Lawrence Alton Ltd | Bordon | 2019 |
| Busy Bees Blaenavon Day Nursery and Kids Club | Pontypool | 2008 |
| Busy Bees Day Nurseries (Trading) Limited | Burntwood | 1996 |
| Busy Bees Day Nurseries Limited | Burntwood | 1965 |
| Busy Bees Day Nursery Ltd | Swansea | 2010 |
| Busy Bees Education & Training Limited | Burntwood | 1995 |
| Busy Bees Kids Club Limited | Oxted | 2003 |
| Busy Bees Kindergarten CIC | Manningtree | 2009 |
| Busy Bees Ledbury Ltd | Ledbury | 2010 |
| Busy Bees Nurseries (Scotland) Limited | | 1989 |
| Busy Bees Nurseries Limited | Burntwood | 1997 |
| Busy Bees Nursery & Pre-School Limited | Hereford | 2003 |
| Busy Bees Nursery Alton Ltd | Alton | 2006 |
| Busy Bees Nursery and Creche Limited | Hereford | 2010 |
| Busy Bees Pre-School (South Oxhey) Ltd | Watford | 2009 |
| Busy Bees Seahouses Community Interest Company | Seahouses | 2006 |
| Busy Bodies (Euxton) Limited | Chorley | 2007 |
| Busy Bodies Limited | Maidstone | 2014 |
| Busy Bodies Playgroup Ltd | Monmouth | 2019 |
| Busy Brain Breaks Ltd | Stonehouse | 2024 |
| Busy Brains Schools Ltd | Hemel Hempstead | 2023 |
| Busy Brains Tuition Ltd | Hemel Hempstead | 2019 |
| Busy Bubbles Club Ltd | St. Neots | 2026 |
| Busy Buddies London Ltd | London | 2026 |
| Busy Bugs Day Nursery Limited | Kidwelly | 2013 |
| Busy Bunnies Ashfield Ltd | Peterborough | 2024 |
| Busy Bunnies Hampton Water Ltd | Peterborough | 2022 |
| Busy Bunnies Huthwaite Ltd | Peterborough | 2024 |
| Busy Bunnies Kirkby Ltd | Peterborough | 2024 |
| Busy Bunnies Nurseries Ltd | Peterborough | 2024 |
| Busy Bunnies Nursery Ltd | Peterborough | 2012 |
| Busy Buttons Core | Windsor | 2018 |
| Busy Feet (Gilfach) Ltd. | Bargoed | 2015 |
| Busy Kids (NW) Ltd | Chorley | 2008 |
| Busy Life Ltd | Rotherham | 2003 |
| Busy Little Bees Nursery (Hall Green) Limited | Birmingham | 2004 |
| Busy Little Bees Nursery (Handsworth Wood) Limited | Birmingham | 2022 |
| Busy Lizzie's Childcare Ltd | London | 2021 |
| Busy Lizzie's Ltd | Chichester | 2007 |
| Busy Lizzies Kids Club Limited | Hoddesdon | 2014 |
| Busy Lizzy Nursery Ltd | Bromley | 2017 |
| Busy SPR Ltd | Newcastle Upon Tyne | 2002 |
| BUT2FLY CIC | Walsall | 2022 |
| Bute House Preparatory School for Girls Limited | | 1956 |
| Bute Street Projects CIC | Luton | 2023 |
| Butera Foundation | London | 2025 |
| Butetown Carnival C.I.C. | Barry | 2022 |
| Butler Butcher Limited | Petersfield | 2003 |
| Butler-Valetschool Limited | Witney | 2002 |
| Butlers Academy (UK ) Ltd | London | 2019 |
| Butter North Ltd | London | 2020 |
| Buttercream Petals Ltd | London | 2017 |
| Buttercup Barn Day Nursery Ltd | Bristol | 2009 |
| Buttercup Learning Ltd | Stockton-On-Tees | 2020 |
| Buttercup Montessori Kindergarten Limited | Chelmsford | 2011 |
| Buttercup Preschool Limited | Dagenham | 2024 |
| Buttercup Primary School Ltd | London | 2013 |
| Buttercups at Homefields Limited | London | 2009 |