| Bootleg Bars Limited | Lincoln | 2014 |
| Bootleg on H-Street Ltd | New Malden | 2026 |
| Bootlegger Bars Limited | Cardiff | 2016 |
| Bootlegger Speakeasy Limited | Newcastle Upon Tyne | 2017 |
| Bootlegger Trading Limited | Bridgwater | 2017 |
| Bootleggers Kendal Limited | Kendal | 2024 |
| Bootons Boozer Limited | Morley | 2015 |
| Bootons Hospitality Ltd | Porthmadog | 2024 |
| Boots & Brambles Getaways Ltd | Alfreton | 2026 |
| Booze & Bites Bar Ltd | Northampton | 2026 |
| Booze Bandits Ltd | Magherafelt | 2024 |
| Booze Box Dorset Limited | Dorchester | 2020 |
| Booze Logistics Limited | London | 2008 |
| Booze on Wheels Limited | St. Albans | 2017 |
| Booze U Chooze Ltd | Bakewell | 2011 |
| Booze&Grub Ltd | Peebles | 2025 |
| BOOZE2BAR Ltd | Leeds | 2021 |
| Boozehoundbar Ltd | Swansea | 2025 |
| Boozies Limited | Derby | 2019 |
| Boozy Geezers Limited | Stourport-On-Severn | 2025 |
| Boozy Pops Ltd | Newcastle Upon Tyne | 2025 |
| Boo’S Kitchen Ltd | Canterbury | 2026 |
| Bopara Fast Food Limited | London | 2011 |
| Bopubco Limited | London | 2011 |
| Boquerones Tapas & Cocktails Limited | Newcastle Upon Tyne | 2019 |
| BOR Limited | London | 2023 |
| Bora 1905 Limited | Liverpool | 2025 |
| Bora Bora Limited | York | 2013 |
| Bora Coffee Limited | Solihull | 2021 |
| Bora South Ltd | London | 2023 |
| Bora Unlimited Ltd | Matlock | 2023 |
| Bora's Cafe Ltd | Bordon | 2025 |
| Bora's Fish & Chips Ltd | Bordon | 2026 |
| Boralex Development (Scotland) Ltd | Edinburgh | 2009 |
| Boran Meat Ltd | London | 2014 |
| Borandere Limited | London | 2018 |
| Boranefe Limited | Harwich | 2024 |
| Boranli Ltd | Enfield | 2023 |
| Boranti Ltd | Westcliff-On-Sea | 2014 |
| Borazan Limited | Halifax | 2025 |
| Borcelle. Limited | London | 2024 |
| Bordas Brothers Limited | Wellingborough | 2025 |
| Bordelaise Ewell Limited | Epsom | 2025 |
| Bordelaise Limited | London | 2024 |
| Bordelaise Maple Ltd | Surbiton | 2025 |
| Bordello Banquets and Rentals Limited | Mitcheldean | 1999 |
| Bordello Company Limited | London | 1996 |
| Borden Jaya Limited | Benfleet | 2023 |
| Borden Village Investments Ltd | Sheffield | 2025 |
| Border Bean Limited | Kington | 2012 |
| Border Caravans Limited | Dumfries | 2003 |
| Border Catering Ltd | Carlisle | 2025 |
| Border COD Limited | Carlisle | 2012 |
| Border Counties Trading Limited | Crewe | 2024 |
| Border Country Events Ltd | London | 2025 |
| Border Glamping Ltd | Shrewsbury | 2018 |
| Border Hideaways Limited | Kelso | 2024 |
| Border Hospitality Ltd | Annan | 2010 |
| Border Ice Rink Limited | | 1963 |
| Border Leisure Parks Limited | Keighley | 2019 |
| Border Training Services Limited | Porthmadog | 2002 |
| Border Vending Group Limited | Warrington | 2007 |
| Border Vending North East Ltd | Ashington | 2017 |
| Border Vending North West Limited | Warrington | 2007 |
| Border Worldwide Drinks Ltd | Cardiff | 2020 |
| Border-Clash Restaurant and Bar Limited | Kettering | 2024 |
| Borderlands (South West) Limited | Bristol | 2011 |
| Borderless Properties Ltd | London | 2024 |
| Borders and Lodging Ltd | Jedburgh | 2025 |
| Borders Hot Cuisine Ltd | Galashiels | 2025 |
| Borders Hotels Limited | Melrose | 1990 |
| Borders LOG Cabins Limited | Peebles | 2018 |
| Borders Self Catering Cabins Limited | Peebles | 2020 |
| Borders Takeaway Ltd | Innerleithen | 2018 |
| BORDERS25 Limited | Edinburgh | 2022 |
| Bordesley Park Weddings Limited | Redditch | 2014 |
| Bordoli's Limited | Hunstanton | 2015 |
| Bordomax Ltd | Melksham | 2020 |
| Bordon Cafe Ltd | Bordon | 2025 |
| Bordon Curry House Ltd | Bordon | 2024 |
| Bordon Park Limited | Hampshire | 2017 |
| Bordon Takeaway Ltd | Bordon | 2019 |
| Bordriggs Farm (Windermere) Limited | Blackpool | 2021 |
| Bore Enterprises Ltd | Gloucester | 2025 |
| Bore Street Bistro Ltd | Bodmin | 2025 |
| Boreal Lets Ltd | Wakefield | 2026 |
| Borealis DP Ltd | Wynyard | 2021 |
| Borebank Enterprises Ltd | Nottingham | 2022 |
| Bored & Beefy Limited | London | 2024 |
| Bored and Grazed Ltd | London | 2023 |
| Bored of Dating Apps Ltd | Liverpool | 2023 |
| Boreham Burger Van Limited | Boreham, | 2025 |
| Boreham Fish Ltd | Borehamwood | 2015 |
| Boreham Leisure Limited | Chelmsford | 2011 |
| Boreham Wood Mens Club (1935) Limited | Boreham Wood | 1935 |
| Borehamwood Cafe Limited | London | 2016 |
| Borehamwood Catering Limited | Ilford | 2013 |
| Borehamwood Kosher Food Group Limited | Borehamwood | 2017 |
| Borehamwood Restaurant Ltd | Borehamwood | 2019 |
| Borehamwood Trading Ltd | Borehamwood | 2021 |