| Benston Holdings Ltd | Professional & scientific | 2025 |
| Bentley Cleaning & Maintenance Limited | Other services | 2014 |
| Bentley Construction Ltd | Construction | 2022 |
| Bentley Construction Services Ltd | Construction | 2024 |
| Bentley Convenience Store Ltd | Wholesale & retail | 2020 |
| Bentley Industrial Doors Limited | Manufacturing | 2006 |
| Bentley MOT and Service Centre Limited | Manufacturing | 2011 |
| Bentley Old School House Management Company Limited | Real estate | 2006 |
| Bentley Road Convenience Store Ltd | Wholesale & retail | 2026 |
| Bentley Self Store Limited | Transport & logistics | 2010 |
| Bentley Subway Ltd | Hospitality | 2014 |
| Bentley's Local Ltd | Wholesale & retail | 2024 |
| Bently Super Booze Limited | Wholesale & retail | 2024 |
| Benvira Limited | Information & communication | 2017 |
| Beny Logistic Limited | Transport & logistics | 2018 |
| Berand Homes Limited | Construction | 1977 |
| Berat Freehold Ltd | Real estate | 2025 |
| Berat Pizza Ltd | Hospitality | 2025 |
| Bercet Ltd | Wholesale & retail | 2025 |
| BERGEN30 Properties Limited | Real estate | 2025 |
| Beric Holdings Ltd | Real estate | 2016 |
| Berjen Limited | Manufacturing | 2008 |
| Berkia & Whitney Ltd | Professional & scientific | 2017 |
| Berkia Lettings Ltd | Real estate | 2025 |
| Berlina Ltd | Professional & scientific | 2024 |
| Bernard Lister & Co Accountants Ltd | Professional & scientific | 2019 |
| Berry Nice Limited | Hospitality | 2016 |
| Berry Refactory Services Ltd | Construction | 2021 |
| Bertie and French Ltd | Extraterritorial | 2014 |
| Berties MOT Ltd | Wholesale & retail | 2023 |
| BES Transport Limited | Transport & logistics | 2023 |
| Besgul Ltd | Other services | 2022 |
| Bespoke Creatives Limited | Information & communication | 2022 |
| Bespoke Damp Proofing Ltd | Construction | 2025 |
| Bespoke Dental Ceramics Limited | Health & social care | 2015 |
| Bespoke Flowers by Kirsty Limited | Wholesale & retail | 2024 |
| Bespoke Lettings (Doncaster) Limited | Real estate | 2013 |
| Bespoke Resin Essex Limited | Administrative & support | 2025 |
| Bespoke Resin Yorkshire Ltd | Administrative & support | 2023 |
| Bespoke Softworks Ltd | Information & communication | 2025 |
| Bess 1 Limited | Energy | 2026 |
| Bessacarr Community Library Limited | Arts & recreation | 2014 |
| Bessacarr Evangelical Church | Other services | 2007 |
| Bessacarr Football Club CIC | Arts & recreation | 2022 |
| Bessacarr Grange Consulting Limited | Professional & scientific | 2025 |
| Bessacarr Healthcare Limited | Wholesale & retail | 2024 |
| Bessacarr Investments Ltd | Administrative & support | 2025 |
| Bessacarr Properties Limited | Construction | 2005 |
| Bessacarr Property Management Company Limited | Real estate | 1984 |
| Bessacarr Technical Services Limited | Professional & scientific | 1990 |
| Bessacarr UK Limited | Wholesale & retail | 2024 |
| Best Behaviour K9 Training Academy Ltd | Other services | 2018 |
| Best Blanks Wholesale Ltd | Wholesale & retail | 2023 |
| Best BRO Mini Market Limited | Wholesale & retail | 2025 |
| Best Indian Food Hawker Ltd | Hospitality | 2024 |
| Best London Cafe Ltd | Other services | 2020 |
| Best Motor Car Ltd | Wholesale & retail | 2024 |
| Best Phone Doncaster Ltd | Wholesale & retail | 2023 |
| Best Rentals Ltd | Real estate | 2025 |
| Best Shop One Limited | Wholesale & retail | 2025 |
| Best Solution Enterprises Ltd | Wholesale & retail | 2025 |
| Best-Spoke Shop Fitters Ltd | Construction | 2022 |
| Bestelectricsyorkshire Limited | Wholesale & retail | 2025 |
| Beta Joinery Ltd | Construction | 2015 |
| Bethan Laura Wood Studio Ltd | Arts & recreation | 2023 |
| Bethany Hughes Nail and Beauty Artist Ltd | Other services | 2016 |
| Betoniq Factories Ltd | Professional & scientific | 2012 |
| Betrsaga Ltd | Professional & scientific | 2026 |
| Betsybars Ltd | Arts & recreation | 2024 |
| Bettaparts Limited | Wholesale & retail | 1985 |
| Better Beauty Ltd | Wholesale & retail | 2023 |
| Betts Electrical Ltd | Construction | 2022 |
| Betts MEP Ltd | Construction | 2018 |
| Bettsy Gray Limited | Other services | 2011 |
| Bettys Boutique Ltd | Wholesale & retail | 2019 |
| Betwithfriends Ltd | Arts & recreation | 2021 |
| Bever Electrical Limited | Construction | 1987 |
| Bevsure Limited | Wholesale & retail | 2002 |
| BEX Homes Limited | Construction | 2006 |
| BEX Milnes Coaching Ltd | Arts & recreation | 2025 |
| Bexon Horizon Ltd | Extraterritorial | 2025 |
| Beyond Beauty II Limited | Health & social care | 2005 |
| Beyond the Tonic Ltd | Health & social care | 2025 |
| Beyondcomfort Ltd | Manufacturing | 2020 |
| Beyondoffice Ltd | Professional & scientific | 2025 |
| Bezchello Properties Limited | Real estate | 2025 |
| BF Joinery and Property Maintenance Ltd | Construction | 2026 |
| BFC Developments Ltd | Construction | 2019 |
| BFG Woodworking Ltd | Manufacturing | 2024 |
| BFL Evenementiel LLP | | 2025 |
| BG 1 Trading UK Ltd | Other services | 2024 |
| BG Advice Ltd | Financial services | 2015 |
| BG K9 Detection Services Limited | Administrative & support | 2019 |
| BG Plastering Solutions Ltd | Construction | 2025 |
| BGA Tiling Ltd | Construction | 2024 |
| BGH Trans Ltd | Transport & logistics | 2023 |
| BGJ Enterprise Limited | Health & social care | 2015 |
| BGV Transport Ltd | Transport & logistics | 2025 |
| BGW Holdings Limited | Financial services | 2015 |
| BH Electrical Solutions Ltd | Construction | 2021 |