| Bondhay Golf & Fishing Club Limited | Worksop | 1997 |
| Bondhay Golf Club Ltd | Doncaster | 2023 |
| Bondi Art Supplies Limited | London | 2023 |
| Bondi Pilates Ltd | Belfast | 2023 |
| Bondi Rise Limited | Redbourn | 2022 |
| Bonds Leisure Limited | Hornchurch | 2024 |
| Bondtek Productions Ltd | Bournemouth | 2018 |
| Bondurant Entertainment Services Ltd | Glasgow | 2025 |
| Bondville Model Village Limited | Bridlington | 2012 |
| Bone Garden Films Limited | London | 2017 |
| Bone Machine Ltd | Saffron Walden | 2021 |
| Bone MAN Ltd | Leigh On Sea | 2015 |
| Bone One Rigging Ltd | Uxbridge | 2018 |
| Bone Slim Casuals Ltd | Thames Ditton | 2020 |
| Bonefire Ltd | Glasgow | 2025 |
| Boneleo Limited | London | 2023 |
| Bones Boxing Ltd | Rickmansworth | 2021 |
| Bones to Jones Ltd | Reading | 2024 |
| Boneyard Records Limited | Omagh | 2023 |
| Bonfleur Equestrian Ltd | Ashford | 2017 |
| Bonglebeak Limited | London | 2023 |
| Bongo's Bingo Ltd | Liverpool | 2021 |
| Bongoboysfc Ltd | London | 2025 |
| Bonimac Limited | Woodford Green | 2002 |
| Bonkers Balloons Ltd | London | 2024 |
| Bonkers Illumination Golf Ltd | Belper | 2023 |
| Bonne Terre Gaming Limited | Birmingham | 2024 |
| Bonni Entertainment Ltd | Glasgow | 2024 |
| Bonnie Competitions Ltd | Greenock | 2025 |
| Bonnie Dog Productions Limited | Bromsgrove | 2026 |
| Bonnie Locket Ltd | Devizes | 2022 |
| Bonnie the Clyde Ltd | Gourock | 2022 |
| Bonny Snowdon Fine Art Ltd | London | 2017 |
| Bonnybridge Angling Club | Dunblane | 2009 |
| Bonnyrigg Rose Athletic FC Ltd | Bonnyrigg | 2026 |
| Bonnyton (Solar) Limited | Glasgow | 2025 |
| Bonobo Music Limited | London | 2003 |
| Bonobo Touring Limited | London | 2014 |
| Bonsai Fest Ltd | Scunthorpe | 2024 |
| Bonus Ball UK Limited | Manchester | 2026 |
| Bonus Draws Ltd | Seaham | 2025 |
| Bonymaen RFC Limited | Swansea | 2014 |
| Bonzai Creatives Ltd | London | 2018 |
| Bonzo Bonzee Creative Limited | London | 2018 |
| BOO Hewerdine Music Ltd | Loughton | 2014 |
| BOO Productions Limited | London | 2004 |
| Booboo World Limited | Bradford | 2025 |
| Booch Services Ltd | Grimsby | 2023 |
| Booee Creative Ltd | Great Yarmouth | 2020 |
| Boogaloo Promotions Limited | Crowthorne | 2003 |
| Boogie Babes Ltd | Brighouse | 2021 |
| Boogie Bounce Northallerton Limited | Northallerton | 2025 |
| Boogie Bounce Xtreme Limited | Walsall | 2014 |
| Boogie Bounce Xtreme South Bristol Limited | Bristol | 2016 |
| Boogie Box Limited | Glasgow | 2023 |
| Boogie Management Limited | Surrey | 2006 |
| Boogie Pumps (Bracknell) Ltd | Bracknell | 2026 |
| Boogie Pumps (East Hampshire) Limited | Alton | 2025 |
| Boogie Pumps (South East London) Ltd | Lancaster | 2020 |
| Boogie Pumps (Woking) Limited | Lancaster | 2022 |
| Boogie Pumps Chichester Ltd | Havant | 2024 |
| Boogie Pumps Newbury Ltd | Newbury | 2026 |
| Boogie Shoes Ltd | Gloucester | 2023 |
| Boogie Storm Ltd | Chester | 2016 |
| Boogie Time Disco Limited | Reading | 2025 |
| Boogie Tots Ltd | Sheerness | 2022 |
| Boogie Woogie, Music, Movement & Memories Ltd | Wallasey | 2023 |
| Boogiebouncesalford Limited | Swinton | 2019 |
| Boogielands Ltd | Bristol | 2020 |
| Boogooyamma Limited | Abingdon | 1996 |
| Booh UK Limited | London | 2016 |
| Book 28 Library CIC | London | 2022 |
| Book a Great Band Ltd | Burton-On-Trent | 2026 |
| Book a Party DJ Ltd | Bedford | 2025 |
| Book and Archive Conservation Services Ltd. | Lasswade | 2008 |
| Book and Stage Ltd | London | 2025 |
| Book Club Racing Limited | Rugeley | 2016 |
| Book of Dreams Limited | Esher | 1984 |
| Book Slam Limited | Woodford Green | 2009 |
| Book Works (UK) Ltd | London | 1996 |
| Bookblast C.I.C. | London | 1997 |
| Booker Gliding Club Limited | Marlow | 1980 |
| Booker Print House Ltd | Doncaster | 2018 |
| Booker Prize Foundation | London | 2001 |
| Booker Prize Trading Limited | London | 2002 |
| Bookham Colts Youth Football Club Limited | Leatherhead | 2026 |
| Bookham Tennis Club Limited | Leatherhead | 2011 |
| Bookham Youth and Community Association Limited | Leatherhead | 2008 |
| Bookingsdirect Limited | Dorking | 2001 |
| Bookishly Limited | Northampton | 2013 |
| Bookman Trading Limited | London | 1993 |
| Bookme Agency Ltd | Cwmbran | 2019 |
| Books by the Beach Limited | Scarborough | 2016 |
| Booktobe Ltd | London | 2025 |
| Boolishi Ltd | London | 2023 |
| Boom Adventures Ltd | Warminster | 2022 |
| Boom Arts Academy Ltd | Burgess Hill | 2015 |
| Boom Badminton Community Sports Club Ltd | Tunbridge Wells | 2024 |
| Boom BB One Ltd | London | 2020 |
| Boom Blooms Ltd. | London | 2014 |