| Beauty & Style Direct Ltd | Wholesale & retail | 2018 |
| Beauty & Style Ltd | Wholesale & retail | 2014 |
| Beauty 1 Ltd | Other services | 2020 |
| Beauty 4 ALL Ltd | Other services | 2016 |
| Beauty Brow Spot Ltd | Other services | 2013 |
| Beauty by Anita Limited | Other services | 2022 |
| Beauty by Priya Limited | Other services | 2026 |
| Beauty Clinic Digital Ltd | Professional & scientific | 2024 |
| Beauty Creators Ltd | Wholesale & retail | 2003 |
| Beauty in Woods Limited | Other services | 2022 |
| Beauty Invest Ltd | Financial services | 2026 |
| Beauty Kosmetika Ltd | Wholesale & retail | 2017 |
| Beauty Rocks Ltd | Professional & scientific | 2021 |
| Beauty Tech Ltd | Wholesale & retail | 2026 |
| Beauty Wellness Ltd | Wholesale & retail | 2024 |
| Beauty-Cutie Ltd | Other services | 2023 |
| Beautybelle Limited | Other services | 2016 |
| Beautymate.Uk Ltd | Information & communication | 2026 |
| Beaver Reprographics Limited | Manufacturing | 1974 |
| Bebe's Mobile Hairdressing Ltd | Other services | 2022 |
| Bebrunch Limited | Hospitality | 2020 |
| BEC & BON Ltd | Other services | 2024 |
| Becal Limited | Hospitality | 2019 |
| Beckton Development Ltd | Construction | 2018 |
| Becruit Search and Selection Limited | Administrative & support | 2015 |
| Bedriven Ltd | Information & communication | 2021 |
| BEE Active Club Ltd | Arts & recreation | 2019 |
| BEE KAY Projects Limited | Construction | 2017 |
| Beecham House Limited | Information & communication | 2018 |
| Beecham Productions Limited | Information & communication | 2018 |
| Beechfields Healthcare Ltd | Health & social care | 2025 |
| Beechfields Nursing Home Limited | Health & social care | 1998 |
| Beechtree Media Limited | Information & communication | 2015 |
| Beechwoods Court Management Limited | Households | 1985 |
| Beecounting Ltd | Professional & scientific | 2023 |
| Beeko Construction Ltd | Construction | 2026 |
| Beeline and Century Cars Ltd | Administrative & support | 2016 |
| Beeline Garden Services Limited | Administrative & support | 2005 |
| Beenait Solutions Ltd | Information & communication | 2022 |
| Beep Technologies Global Ltd | Professional & scientific | 2025 |
| Beerfisch Brewery Limited | Manufacturing | 2017 |
| Beersheba Automotive Limited | Wholesale & retail | 2020 |
| Beetroot Investments Ltd | Financial services | 2017 |
| Before Productions Limited | Arts & recreation | 2026 |
| Beggiato Design Limited | Professional & scientific | 2010 |
| Behaviour by Becca Limited | Administrative & support | 2023 |
| Beigel Bake Limited | Hospitality | 2017 |
| Beij Consulting Limited | Extraterritorial | 2014 |
| Being Smart Limited | Professional & scientific | 2016 |
| Bejera Contractors Ltd | Construction | 2016 |
| Belaku Ltd | Information & communication | 2021 |
| Belamica Vending Ltd | Hospitality | 2018 |
| Belayuh Limited | Professional & scientific | 2010 |
| Beldom Landscapes Limited | Administrative & support | 2017 |
| Belfast Rights Limited | Arts & recreation | 2017 |
| Belgrave Carpet Gallery Limited | Wholesale & retail | 1988 |
| Belgrave Network Security Services Limited | Information & communication | 2014 |
| Belgrave Ventures Limited | Wholesale & retail | 2016 |
| Bella Harmony Publishing Ltd | Information & communication | 2025 |
| Bella Innovations Limited | Real estate | 2003 |
| Bella International Limited | Wholesale & retail | 2025 |
| Bella Maison Ltd | Wholesale & retail | 2022 |
| Bella Sailing Ltd | Transport & logistics | 2025 |
| Bella Tractor Limited | Real estate | 2014 |
| Bella Vita Perfumes Limited | Wholesale & retail | 2024 |
| Bella Vita Stays Ltd | Real estate | 2023 |
| Bellachy Properties Ltd | Real estate | 2021 |
| Bellawood Homes 1 Limited | Real estate | 2026 |
| Bellawood Homes 2 Limited | Real estate | 2026 |
| Bellawood Homes Limited | Real estate | 2010 |
| Belle Varna Developments Ltd | Administrative & support | 2017 |
| Belle Varna Ltd | Real estate | 2022 |
| Bellerophon Medical Ltd | Health & social care | 2026 |
| Bellezza Roma Ltd | Manufacturing | 2022 |
| Bellfield Park Limited | Financial services | 2017 |
| Bellfield Properties Limited | Real estate | 2024 |
| Bellingham Investments LLP | | 2005 |
| Bellvina KS LLP | | 2024 |
| Bellvina Ltd | Real estate | 2016 |
| Belmont Art & Design Ltd | Manufacturing | 2017 |
| Belmont Kitchen Ltd | Hospitality | 2023 |
| Belmont Lodge (Stanmore) Limited | Households | 1973 |
| Belmont Service Centre Limited | Wholesale & retail | 2012 |
| Belmont Wealth Management Limited | Professional & scientific | 2023 |
| Belnay Ltd | Professional & scientific | 2022 |
| Belside Properties Limited | Households | 2000 |
| Belugo Ltd | Real estate | 2020 |
| Belvedere Advisory Holdings Ltd | Financial services | 2021 |
| Belvedere Bespoke Limited | Construction | 2017 |
| Belvedere Communications Limited | Professional & scientific | 2014 |
| Belvedere Custom Homes Limited | Construction | 2009 |
| Belvedere Drives Ltd | Administrative & support | 2017 |
| Belvedere Residential Limited | Real estate | 2017 |
| Belview Property Trading Ltd | Construction | 2019 |
| Bemove Express Removals Ltd | Transport & logistics | 2022 |
| Bemove Removals Ltd | Transport & logistics | 2021 |
| Bemps Mining and Petroleum Limited | Mining & quarrying | 2022 |
| Bempton Limited | Real estate | 2024 |
| BEN AMP Holdings Limited | Financial services | 2012 |
| BEN Dixon Limited | Information & communication | 2011 |