| Bauer Hughes Limited | Real estate | 2009 |
| Bayzos Estate Agents Ltd | Real estate | 2019 |
| Bazy Transport Ltd | Transport & logistics | 2024 |
| BDB Garden Services Ltd | Administrative & support | 2024 |
| Beaufort Major Limited | Administrative & support | 2014 |
| Beautiful Dogs (Evesham) Holdings Ltd | Other services | 2019 |
| Beautiful Dogs Limited | Other services | 2013 |
| Beechwood Contractors Ltd | Administrative & support | 2025 |
| Belka Ltd | Construction | 2018 |
| Bella Taverns 2025 Ltd | Hospitality | 2025 |
| Belle VUE Heights RTM Company Limited | Real estate | 2019 |
| Bellelisaanaru Ltd | Health & social care | 2020 |
| Below Ground Homes Limited | Construction | 2014 |
| Belward Limited | Real estate | 1996 |
| Bemserve Ltd | Manufacturing | 2010 |
| BEN Goss Limited | Arts & recreation | 2017 |
| Beneco Energy Limited | Energy | 2004 |
| Benevenagh Consulting Limited | Professional & scientific | 2019 |
| Benevento Fine Arts Limited | Wholesale & retail | 2017 |
| Bengeworth Land & Property Limited | Real estate | 2021 |
| Benjamin Partnership Limited | Health & social care | 2013 |
| Benn Walters Project Management Limited | Construction | 2018 |
| Berkay (Evesham) Ltd | Hospitality | 2021 |
| BERKAY16 Ltd | Wholesale & retail | 2025 |
| Berkeley Court Management (Warndon) Limited | Households | 2015 |
| Berwyn-Jones Fine Art Consultants Limited | Professional & scientific | 2023 |
| Bespoke Bathing Company Limited | Other services | 2012 |
| Best Barber Port ST Ltd | Other services | 2023 |
| Best-Haircutz Ltd | Other services | 2023 |
| Bethomany Ltd | Professional & scientific | 2017 |
| Better ME Better YOU C.I.C. | Education | 2025 |
| BHB Bertsch Holzbau UK Limited | Wholesale & retail | 2024 |
| Bhgs Limited | Wholesale & retail | 2001 |
| BID4MYRENEWAL Limited | Financial services | 2019 |
| Biddle Building Limited | Construction | 2017 |
| Big Hair Management Limited | Administrative & support | 2012 |
| Big Orbit Limited | Wholesale & retail | 2015 |
| Bill Lake Electrical Limited | Construction | 2003 |
| Biocura Healthcare Group Limited | Health & social care | 2024 |
| Bird Court Management Company Limited | Households | 2001 |
| Bits Retail Solutions Ltd | Professional & scientific | 2003 |
| BJ Middlicott Property Ltd | Real estate | 2023 |
| BK Sprinter Ltd | Wholesale & retail | 2025 |
| Black & Key Ltd | Professional & scientific | 2009 |
| Black Box Tuition Ltd | Education | 2024 |
| Black Liquorice Company Limited | Manufacturing | 2015 |
| Black Pear Physio Ltd | Health & social care | 2013 |
| Blasterzone UK Ltd | Arts & recreation | 2026 |
| Blossoms Group Ltd | Hospitality | 2026 |
| Blue Drum Limited | Information & communication | 2010 |
| Blue Giant (UK) Ltd | Extraterritorial | 2018 |
| Blue Phoenix Topaz Ltd | Transport & logistics | 2016 |
| Blue Tomy Cargo Ltd | Transport & logistics | 2026 |
| Bluebells (Pershore) Management Company Limited | Households | 2016 |
| Blueeyess Ltd | Transport & logistics | 2017 |
| Bluefinch Construction Limited | Construction | 2007 |
| Blundallholdings Ltd | Real estate | 2025 |
| BM Automation Limited | Information & communication | 2018 |
| BMS Motors Ltd | Manufacturing | 2023 |
| Bnct Limited | Real estate | 2007 |
| BNT Developments Limited | Construction | 2013 |
| Boatique Ltd | Professional & scientific | 2024 |
| Boers Energy Limited | Energy | 2016 |
| Boffey Property Investment Limited | Real estate | 2024 |
| Boho Bride Limited | Wholesale & retail | 2014 |
| Bomford & Coffey Limited | Real estate | 2010 |
| Bomford Turner Limited | Manufacturing | 1904 |
| Bono Catering Limited | Hospitality | 2025 |
| Boot Hill Investments Ltd | Financial services | 2024 |
| Booze Bazaar Limited | Wholesale & retail | 2025 |
| Bossman's Retail Fairfield Ltd | Wholesale & retail | 2023 |
| Bowater Construction Limited | Construction | 2014 |
| Bowcott Technical Services Ltd | Administrative & support | 2018 |
| Bowen's Estates Ltd | Hospitality | 2026 |
| Bowers Hill Management Company Limited | Households | 2006 |
| Bowwm Ltd | Transport & logistics | 2014 |
| Box 868 Limited | Extraterritorial | 2015 |
| BPU Electrical & Communication Installations Ltd | Construction | 2026 |
| Bradfords Carpets and Beds Ltd | Wholesale & retail | 2017 |
| Bradfords Holdings Limited | Financial services | 2023 |
| Bradsports Limited | Wholesale & retail | 2010 |
| Brainchild Property Ltd | Real estate | 2020 |
| Brandonsbestbuy Ltd | Wholesale & retail | 2023 |
| Breakstorm Information Technology Limited | Information & communication | 2025 |
| Bredon Hill Cleaning Services Ltd | Administrative & support | 2014 |
| Bredon Hill Flooring Limited | Other services | 2018 |
| Bretforton Green Space CIC | Arts & recreation | 2024 |
| Bretforton Sports Club Ltd | Hospitality | 2013 |
| Bretforton Village Preschool Limited | Education | 2026 |
| Brett Grantham Ltd | Transport & logistics | 2018 |
| Brew Bear Coffee House Ltd | Hospitality | 2022 |
| Brian Nixon Limited | Manufacturing | 2015 |
| Briar Close (Residents) Management Limited | Households | 1991 |
| Brick Kiln Court (Evesham) Limited | Households | 1996 |
| Brick Kiln Place RTM Company Limited | Households | 2008 |
| Bricks N' Mortar Limited | Real estate | 1982 |
| Bridgefoot Quay Management Limited | Households | 2008 |
| Bright White Marketing Limited | Administrative & support | 2009 |
| Bristol Road Properties Limited | Real estate | 2006 |
| Britania Services Limited | Construction | 1996 |