| Bebetee Limited | Health & social care | 2025 |
| Becca Living Ltd | Other services | 2026 |
| Beckenham Cricket Specialists Ltd. | Wholesale & retail | 2016 |
| Beckford Eynsford Management Co Ltd | Households | 2022 |
| Beckley Contractors Limited | Construction | 2026 |
| Beckley Properties Limited | Real estate | 2022 |
| Beco Products Limited | Manufacturing | 1992 |
| Beco Wallform Limited | Manufacturing | 2011 |
| Bedazzled Window Cleaning Ltd | Administrative & support | 2009 |
| Bedford ROW Consulting Ltd | Professional & scientific | 2021 |
| Bedgebury Holdings Limited | Real estate | 2025 |
| Bedos Ltd | Hospitality | 2025 |
| Bedtime 2020 Limited | Wholesale & retail | 2021 |
| Bedtime Holdings Limited | Financial services | 2021 |
| Bedtime Kent Limited | Wholesale & retail | 1982 |
| BEE Hive Luxury Stays LLP | | 2024 |
| Bee'Live Limited | Health & social care | 2017 |
| Beech Bar Take Away Ltd | Hospitality | 2024 |
| Beech Court (Hythe) Ltd | Construction | 2020 |
| Beersheba Social Care Services Limited | Health & social care | 2018 |
| Beeson Building Services Ltd | Construction | 2019 |
| Beetax Ltd | Professional & scientific | 2026 |
| Beextrart Eyelashes Limited | Other services | 2024 |
| Beeyond Sugar Ltd | Wholesale & retail | 2025 |
| Beff Limited | Professional & scientific | 2015 |
| Belabreaga Ltd | Manufacturing | 2024 |
| Belda Services Ltd | Construction | 2017 |
| Beleo Ltd | Professional & scientific | 2017 |
| Belfry IT Solutions Ltd | Information & communication | 2013 |
| Belfry Solutions Limited | Information & communication | 2018 |
| Belgrave Real Estate Ltd | Real estate | 2017 |
| Belgrave Services Ltd | Construction | 2015 |
| Believers Faith Campaign Ltd | Other services | 2019 |
| Bella Benson Ltd | Hospitality | 2024 |
| Bellash Ltd | Extraterritorial | 2017 |
| Bellavita Aesthetics Ltd | Other services | 2024 |
| Belldial Limited | Information & communication | 2013 |
| Belle Beau Daisy Ltd | Professional & scientific | 2005 |
| Belle VIE TV Limited | Information & communication | 2013 |
| Belle's Bakes Ltd | Manufacturing | 2018 |
| Bellegrove Autos Limited | Wholesale & retail | 2017 |
| Bellegrove Developments 2 Limited | Construction | 2022 |
| Bellegrove Developments Limited | Real estate | 2021 |
| Bellereta Buys Ltd | Wholesale & retail | 2025 |
| Bells IT Support Ltd | Information & communication | 2016 |
| Bells Relocations Ltd | Transport & logistics | 2017 |
| Bellz Auto Trading Ltd | Wholesale & retail | 2025 |
| Belvedere Court 2000 Limited | Households | 1998 |
| Belvedere Estates Limited | Real estate | 2002 |
| Belzanne Limited | Wholesale & retail | 2012 |
| Bemaleri Consultancy Limited | Professional & scientific | 2026 |
| Bemso Engineering Ltd | Construction | 2022 |
| BEN James Building Services Limited | Construction | 2001 |
| Benarch Consults Ltd | Other services | 2013 |
| Benarch Properties Ltd | Real estate | 2023 |
| Benatura Ltd | Wholesale & retail | 2021 |
| Benchmark Construction Group Ltd | Construction | 2025 |
| Benchure Limited | Real estate | 2020 |
| Bendable SOL Ltd | Information & communication | 2024 |
| Benefit PT Limited | Other services | 2015 |
| Bengy's Ltd | Other services | 2017 |
| Benjen Ltd | Administrative & support | 2021 |
| Benpay Limited | Other services | 2022 |
| Bereko Pharma Limited | Wholesale & retail | 2019 |
| Berenice Housing Ltd | Real estate | 2025 |
| Berry HV Limited | Construction | 2018 |
| Berry Party Wall Surveyors Ltd | Professional & scientific | 2020 |
| Berry Wood Management Company Limited | Households | 2018 |
| Bertie Automotive Holdings Limited | Wholesale & retail | 2026 |
| Besafe Online Limited | Wholesale & retail | 2024 |
| Bespoke Asphalt Limited | Construction | 2020 |
| Bespoke Autocentre Limited | Wholesale & retail | 2017 |
| Bespoke by BRI Ltd | Wholesale & retail | 2025 |
| Bespoke Floor Sanding Limited | Construction | 2019 |
| Bespoke Investigations Bureau Ltd | Administrative & support | 2024 |
| Bespoke Investment Motors Ltd | Wholesale & retail | 2024 |
| Bespoke Lifts Ltd | Manufacturing | 2021 |
| Bespoke Safety Inspections Ltd | Manufacturing | 2024 |
| Best Brush Decorating Ltd | Construction | 2024 |
| Best Buys Group Ltd | Real estate | 2006 |
| Best Linen Dartford Ltd | Wholesale & retail | 2021 |
| Best Motor Company Services Ltd | Wholesale & retail | 2022 |
| Best Social Enterprise Ltd | Hospitality | 2018 |
| Bestpine Limited | Hospitality | 2022 |
| Bestspot Care UK Limited | Health & social care | 2026 |
| Bethal Manna Care Ltd | Health & social care | 2019 |
| Bethel Health and Care Ltd | Health & social care | 2026 |
| Bethel Housing UK Ltd | Real estate | 2024 |
| Bethel Software Limited | Information & communication | 2008 |
| Beveen Limited | Information & communication | 2016 |
| Bevel Gear IT Solutions Ltd | Information & communication | 2010 |
| Bevernage Ltd | Wholesale & retail | 2018 |
| Beviqua Ltd | Wholesale & retail | 2009 |
| Bexipharma Ltd | Wholesale & retail | 2024 |
| Bexley Basketball CIC | Education | 2022 |
| Bexley Bmsport Limited | Wholesale & retail | 2011 |
| Bexley Brothers Ltd | Wholesale & retail | 2025 |
| Bexley Care Consortium Ltd | Health & social care | 2021 |
| Bexley Fireworks Company Limited | Arts & recreation | 2025 |
| Bexley Foot Clinic Ltd | Health & social care | 2023 |