| Beard & Clark Ltd | Real estate | 2015 |
| Bearing Revolution Limited | Extraterritorial | 1978 |
| Beatstreetcafe Ltd | Hospitality | 2025 |
| Beaufoys Road Management Company Limited | Households | 2018 |
| Beauty by Trade 1 Ltd | Other services | 2025 |
| Beauty by Trade Ltd | Other services | 2024 |
| Beauty Treatments@Telford Limited | Other services | 2023 |
| Beauty With SK Ltd | Other services | 2022 |
| Bebal Ltd | Other services | 2019 |
| Bebbs Building Co Limited | Construction | 2011 |
| Bechevski Construction Ltd | Construction | 2024 |
| Beclash Ltd | Administrative & support | 2023 |
| Bedrock & Bloom Limited | Construction | 2026 |
| BEE Touring Limited | Administrative & support | 2022 |
| Beech Projects Ltd | Construction | 2016 |
| Beeni Ltd. | Hospitality | 2017 |
| Bees Knees Removal Ltd | Transport & logistics | 2022 |
| Beesley Consulting Ltd | Professional & scientific | 2026 |
| Befamoo Limited | Households | 2024 |
| Belgravia Court Shrewsbury Limited | Real estate | 2013 |
| Belgravia Healthcare Ltd | Health & social care | 2021 |
| Believe Properties Ltd | Real estate | 2018 |
| Belinda Grace Group Ltd | Construction | 2023 |
| Bella Investments and Homes Ltd | Real estate | 2025 |
| Bella Mercia Limited | Real estate | 2014 |
| Bella's Baps Ltd | Hospitality | 2024 |
| Bellaamico K9 Ltd | Agriculture & fishing | 2024 |
| Bellaner Ltd | Other services | 2020 |
| Belle AME Studio Limited | Other services | 2023 |
| Belleme Ltd | Professional & scientific | 2016 |
| Bellisimo.Beauty Ltd | Other services | 2022 |
| Bellstone Consulting Limited | Information & communication | 2013 |
| Belmore Financial Planning Ltd | Financial services | 2020 |
| Belove Care Ltd | Health & social care | 2023 |
| Belton Business Services Ltd | Information & communication | 2010 |
| Belva Produce Limited | Wholesale & retail | 2018 |
| Belva Property Limited | Real estate | 2018 |
| Belvedere Court Management (Telford) Limited | Other services | 2014 |
| Belvyon Limited | Professional & scientific | 2025 |
| Bemico U.K. Limited | Wholesale & retail | 1983 |
| Bemps Black Kings and Queens Ltd | Manufacturing | 2021 |
| BEN Williams Carpentry and Joinery Ltd | Manufacturing | 2022 |
| Ben's Watch Club Ltd | Wholesale & retail | 2021 |
| Benar ALI Barber Ltd | Other services | 2025 |
| Bence Property Ltd | Real estate | 2026 |
| Benetito Ltd | Other services | 2020 |
| Beneycare Limited | Health & social care | 2015 |
| Benhen Properties Ltd | Real estate | 2024 |
| Beniaminpoara. Ltd | Transport & logistics | 2022 |
| Benjamin Mullard Limited | Health & social care | 2025 |
| Benjemedia Ltd | Manufacturing | 2024 |
| Bennett Brothers Construction Limited | Construction | 2019 |
| Bennett's Butcher's Ltd | Wholesale & retail | 2022 |
| Benny Kitchen Ltd | Hospitality | 2025 |
| Benpath Ltd | Other services | 2019 |
| Benpest Ltd | Other services | 2024 |
| Bentbar Ltd | Other services | 2020 |
| Benthall Court Management Company Limited | Real estate | 2014 |
| Benwest Properties Ltd | Real estate | 2026 |
| Beon Core (Rehab Bright) Ltd | Information & communication | 2026 |
| Beon Core Ltd | Information & communication | 2011 |
| Beppo Developments Limited | Real estate | 2020 |
| Berechurch Hall Road Ltd | Construction | 2023 |
| Bereton Electronics Limited | Manufacturing | 1990 |
| Berg Global Limited | Information & communication | 2022 |
| Berkan Ltd | Other services | 2019 |
| Bermo Homes Limited | Construction | 2011 |
| Berry IT Consulting Ltd | Information & communication | 2024 |
| Berry Street Investments Limited | Hospitality | 2020 |
| Berwick Care Equipment Limited | Wholesale & retail | 2007 |
| Bespoke Computing Limited | Information & communication | 2003 |
| Bespoke Construction Services Limited | Construction | 1999 |
| Bespoke Data Ltd | Information & communication | 2015 |
| Bespoke Timber Buildings Ltd | Construction | 2022 |
| Bespoke Yolk Limited | Wholesale & retail | 2021 |
| Best Driveways TKL Properties Maintenance Ltd | Construction | 2021 |
| Best Fit Solutions Limited | Professional & scientific | 2003 |
| Best Quality of Care Ltd | Health & social care | 2019 |
| Beta Tools (UK) Limited | Wholesale & retail | 1990 |
| Bethany Tomlinson Limited | Information & communication | 2018 |
| Betley Park Ltd | Construction | 2022 |
| Bevan Assets Ltd | Financial services | 2026 |
| Bevan Thermoplastics Limited | Manufacturing | 1996 |
| Bevin Investments Limited | Real estate | 2020 |
| Bewal Ltd | Manufacturing | 2025 |
| Beyond Golf Ltd | Arts & recreation | 2025 |
| Beyond Technologies Limited | Wholesale & retail | 2007 |
| BG Electrical Limited | Extraterritorial | 1978 |
| BG Tech Solutions Limited | Information & communication | 2025 |
| Bhakar Tomlinson Limited | Administrative & support | 2010 |
| Bhalla & Sons Limited | Real estate | 2016 |
| Bhanti Ltd | Other services | 2020 |
| Bharat Restaurant Ltd | Hospitality | 2024 |
| Bhatia Property Ltd | Real estate | 2023 |
| Bhogal Investments Limited | Real estate | 2019 |
| Bhushan F&B Limited | Hospitality | 2025 |
| Bhushan Properties Limited | Real estate | 2023 |
| Biashara Ltd | Real estate | 2025 |
| Bibty Ltd | Wholesale & retail | 2023 |
| Bicool Solutions Limited | Construction | 2014 |