| Beatchain Limited | Arts & recreation | 2016 |
| Beatrice and George Limited | Wholesale & retail | 2017 |
| Beau Property Home Staging Limited | Administrative & support | 2023 |
| Beau Property Sales Ltd | Real estate | 2025 |
| Beau Property Studio Ltd | Professional & scientific | 2026 |
| Beau Strategic Land Ltd | Construction | 2023 |
| Beau Ventures UK Limited | Administrative & support | 2017 |
| Beauclerk Consulting Limited | Information & communication | 2009 |
| Beaumaris Mews Estate Management Company Limited | Households | 2012 |
| Beaumiller Ltd. | Professional & scientific | 2016 |
| Beaumont 56 Residents Association Limited | Households | 2005 |
| Beauty & Skincare Essentials Limited | Wholesale & retail | 2018 |
| Beauty School Dropouts UK Ltd | Other services | 2024 |
| Beaver Construction (South East) Limited | Construction | 1984 |
| Bebebow Limited | Manufacturing | 2024 |
| Becker and Company (Alpha Agri One) Ltd | Financial services | 2025 |
| Beckerman Media Limited | Administrative & support | 2008 |
| Beco Carpentry Limited | Construction | 2019 |
| Becx Group Ltd | Information & communication | 2020 |
| Bedgebury Barn Limited | Construction | 2023 |
| Bedgebury Consulting Limited | Professional & scientific | 2005 |
| Bedgebury Courtyard Limited | Construction | 2023 |
| Bedgebury Park Estate Limited | Construction | 2022 |
| BEE Happy Payroll Limited | Professional & scientific | 2024 |
| Beech Court Management Company Limited | Real estate | 1989 |
| Beech Hill Consulting Limited | Professional & scientific | 2014 |
| Beech Hurst (Pembury) Co. Limited | Households | 1979 |
| Beech Tree Total Care Limited | Health & social care | 2001 |
| Beechgrove Developments Limited | Real estate | 1999 |
| Beechhill Travel Limited | Administrative & support | 2019 |
| Beechlea Drive Management Limited | Extraterritorial | 2000 |
| Beechmount Properties Limited | Real estate | 1999 |
| Beechwood Garden Services Ltd | Administrative & support | 2017 |
| Beechwood Park (Bailiff Bridge) Limited | Households | 2004 |
| Beechwood School Limited | Education | 2020 |
| Beefwood Limited | Real estate | 2003 |
| Beever & Margerum Engineering Limited | Agriculture & fishing | 1983 |
| BEGINNER2WINNER Limited | Health & social care | 2010 |
| Begum & Rahman Enterprise Ltd | Real estate | 2017 |
| Begum & Rahman Management Ltd | Real estate | 2025 |
| Beisam Company Limited | Wholesale & retail | 2025 |
| Belfield Accountancy Limited | Professional & scientific | 2009 |
| Belfield Physiotherapy Limited | Other services | 2008 |
| Belfort Dental Care Limited | Health & social care | 2013 |
| Belfrage Estates Limited | Real estate | 2001 |
| Belgrave Accountancy Services Limited | Administrative & support | 2009 |
| Belgrove (Tunbridge Wells) Residents Association Limited | Households | 1974 |
| Belgrove Business Solutions Ltd | Administrative & support | 2025 |
| Believe in Your Flow Ltd | Education | 2021 |
| Bell Global Ltd | Construction | 2020 |
| Bell Prime Estates LLP | | 2020 |
| Bella Capri Restaurant Group Limited | Hospitality | 2023 |
| Bella Jane Jewellery Ltd | Manufacturing | 2012 |
| Bella VOU Holdings Limited | Real estate | 2020 |
| Bella VOU Ltd | Health & social care | 2014 |
| Bellaca FX Limited | Administrative & support | 2021 |
| Bellaggio Place RTM Company Limited | Households | 2013 |
| Bellagio Properties Ltd | Real estate | 2023 |
| Bellrocc Ltd. | Real estate | 2017 |
| Bells YEW Green Management Company Limited | Households | 2007 |
| Bellsolve Ltd | Administrative & support | 2012 |
| Belong Consultancy Ltd | Administrative & support | 2019 |
| Beltwood Property Company Limited(The) | Real estate | 1937 |
| BEN Clarkson Garden Services Ltd | Administrative & support | 2026 |
| BEN Larkham Associates Limited | Administrative & support | 2003 |
| BEN Martin Garden Design Ltd | Administrative & support | 2014 |
| Bench 27 Limited | Information & communication | 2024 |
| Benda Bili Ltd | Administrative & support | 2018 |
| Benenden Heating Ltd | Construction | 2013 |
| Benn Storey Limited | Information & communication | 2014 |
| Bentfield Investments Ltd | Professional & scientific | 2019 |
| Bequrion Limited | Financial services | 2013 |
| Berendt Consulting Limited | Professional & scientific | 2013 |
| Berick Limited | Wholesale & retail | 1997 |
| Berkeley & Albany Limited | Professional & scientific | 2002 |
| Berkeley House (Tunbridge Wells) Limited | Households | 2005 |
| Berkeley Savile Ltd | Administrative & support | 2008 |
| Berkeley Street Agency Limited | Extraterritorial | 1996 |
| Berry & Burke Lift Services Ltd | Construction | 2025 |
| Berry & Lamberts LLP | | 2012 |
| Berwick Devoil Healthcare Limited | Financial services | 1994 |
| Bespoke Timber Products Limited | Manufacturing | 1995 |
| Bespoke Vehicle Importers Ltd | Wholesale & retail | 2024 |
| Best BOY Ltd | Arts & recreation | 2024 |
| Best Things Since Limited | Hospitality | 2025 |
| Bestlife Protection Limited | Administrative & support | 2024 |
| Better Software UK Ltd | Administrative & support | 2011 |
| Betteshanger Sustainable Park Ltd | Professional & scientific | 2011 |
| Betts Holdings Limited | Construction | 2021 |
| Beulah Financial Ltd | Financial services | 2018 |
| Beumee Ltd | Wholesale & retail | 2015 |
| Beverly Landais Limited | Professional & scientific | 2016 |
| Beyond AG Ltd | Wholesale & retail | 2011 |
| Beyond Media Services Limited | Professional & scientific | 2017 |
| Beyond Moore Ltd | Information & communication | 2024 |
| Beyond Organic Ltd | Extraterritorial | 2020 |
| Beyond Visas Ltd | Public administration | 2022 |
| Bezant Limited | Manufacturing | 2003 |
| Bezium LLP | | 2017 |
| BG Best Clean Ltd | Administrative & support | 2025 |