| Bolesworth Events Limited | Chester | 2020 |
| Bolingey Barbarians Limited | Fowey | 2011 |
| Bolitho Maritime Productions Limited | Steyning | 1973 |
| Bolivia Clasica Limited | London | 2011 |
| Bollerz Entertainment Ltd | Bolton | 2024 |
| Bollington Beer Festival Ltd | Macclesfield | 2026 |
| Bollington Festival | Macclesfield | 2003 |
| Bollington Health & Leisure | Macclesfield | 2012 |
| Bollington Skyline Ltd | Macclesfield | 2022 |
| Bolly Baggins Ltd | Norwich | 2024 |
| Bolly Mumperschnickles Ltd | London | 2020 |
| Bollyarkk Dance Ltd | Leicester | 2023 |
| Bollyon Dance Ltd | London | 2025 |
| Bollywood Dance Entertainment Ltd | Pinner | 2026 |
| Bollywood Dance Worldwide Limited | Reading | 2016 |
| Bollywood Events UK Ltd | Reading | 2023 |
| Bollywood Gallery Memorabilia Limited | Birmingham | 2022 |
| Bollywood Holdings Limited | Manchester | 2022 |
| Bollywood Music Academy Limited | Bradford | 2023 |
| Bollywood Music Limited | Welling | 1994 |
| Bolo Blueprint Ltd | London | 2026 |
| Bolshee CIC | York | 2022 |
| Bolt Academy Ltd | Manchester | 2026 |
| Bolt Competitions Ltd | Birmingham | 2025 |
| Bolt Creative Ltd | Newry | 2026 |
| Bolt Golf Limited | Bromley | 2025 |
| Bolt Head Aero Club Ltd | Kingsbridge | 2012 |
| Bolt Limited | Witney | 2017 |
| Bolt Motorcycles Limited | London | 2014 |
| Bolt Padel Club Limited | Holywood | 2026 |
| Bolt Padel Limited | Bromley | 2025 |
| Boltby Bash Enduro Limited | Ipswich | 2015 |
| Bolton and Leigh Railway 200 Community Interest Company | Bolton | 2025 |
| Bolton Area Divers Limited | Tennyson Street | 2004 |
| Bolton Bridge Club Limited(The) | | 1952 |
| Bolton by Bowland Cricket Club | Clitheroe | 2012 |
| Bolton Community Leisure Limited | Bolton | 2003 |
| Bolton County FC Limited | Bolton | 2019 |
| Bolton Cricket Club Limited(The) | Bolton | 1944 |
| Bolton GC Services Limited | Bolton | 2019 |
| Bolton Golf Club Limited(The) | Bolton | 1912 |
| Bolton Gymnastics CIC | Bolton | 2013 |
| Bolton Hall Sporting Club Limited | Clitheroe | 2025 |
| Bolton Hongkonger Life Support CIC | Bolton | 2023 |
| Bolton Hospice Lottery Limited | Bolton | 2001 |
| Bolton Little Theatre Limited | Bolton | 1977 |
| Bolton Marathon Ltd | Warrington | 2019 |
| Bolton Old Links Golf Club Limited | Bolton | 1921 |
| Bolton Old Links Hospitality & Golf Limited | Bolton | 2022 |
| Bolton Roller Rink Ltd | Bolton | 2025 |
| Bolton Rugby Union Football Club Limited | Bolton | 2015 |
| Bolton Sports Coaching Limited | Manchester | 2025 |
| Bolton Sports TV Ltd | Warrington | 2023 |
| Bolton Symphony Orchestra Ltd | Bury | 2017 |
| Bolton Trampoline Gymnastics Academy | Bolton | 2017 |
| Bolton Troy UK Limited | Manchester | 2026 |
| Bolton TV Ltd | Warrington | 2023 |
| Bolton Wanderers Community Trust | Bolton | 2001 |
| Bolton Wanderers Development Association (Chorley) Limited | Bolton | 1979 |
| Bolton Wanderers Football Club Sports TV Ltd | Warrington | 2023 |
| Bolton Wanderers Football Club TV Ltd | Warrington | 2023 |
| Bolton Wanderers TV Ltd | Warrington | 2023 |
| Bolton Wanderers Women Football Club Ltd | Warrington | 2025 |
| Bolton Wyresdale Amateur Football and Sports Club | Manchester | 2021 |
| Bolton's PIT Company Limited | Cambridge | 2010 |
| Bolton-Le-Moors Car Club Limited | Bolton | 1958 |
| Boltoncontemporary CIC | Bolton | 2019 |
| Boltongolfstarzcoaching Limited | Bolton | 2023 |
| BOM Birmingham Open MAT Ltd | Birmingham | 2026 |
| BOM TA BOM Ltd | Leigh | 2019 |
| Bomb Factory Theatre CIC | London | 2021 |
| Bombastic Limited | Cardiff | 2007 |
| Bombay Racing Limited | Buckingham | 2022 |
| Bombers Physical Training Ltd | Modbury | 2020 |
| Bomberz Skateboarding CIC | Bingham | 2020 |
| Bombshell Productions (UK) Limited | London | 2001 |
| Bombus Limited | Faversham | 2002 |
| Bomgo CIC | London | 2024 |
| Bomnart Ltd | London | 2023 |
| Bomo Beach Festival Ltd | Poole | 2026 |
| BON Accord Motorcycle Club Limited | Kincardineshire | 2002 |
| BON Bois Limited | Chichester | 2023 |
| BON Temps Productions Ltd | London | 2024 |
| BON Vita Style Ltd | Polegate | 2012 |
| BON Vivant AC Limited | Bishop'S Stortford | 2023 |
| BON Volks CIC | Margate | 2015 |
| Bon-Accord Camera Club | Aberdeen | 1986 |
| Bona Gents Ltd | London | 2023 |
| Bona Vada Limited | Brighton | 2009 |
| Bonafide Creations Ltd | Letchworth | 2018 |
| Bonanza Events Ltd | Ruislip, | 2025 |
| Bonanza Flying Club Limited | | 1994 |
| Bond & Grafton Ltd | London | 2014 |
| Bond Celebrations Ltd | Bolton | 2025 |
| Bond Group Investments Limited | London | 2018 |
| Bond Management (INT) Limited | Enfield | 2015 |
| Bond Productions Ltd | Manchester | 2024 |
| Bond Raffan Limited | Falkirk | 2026 |
| Bondax Limited | Carnforth | 2014 |
| Bondco 628 Limited | Sheffield | 1996 |