| B Smith Packaging Group (Worcester) Ltd | Wholesale & retail | 2019 |
| B&N Consultancy Ltd | Professional & scientific | 2025 |
| B. Smith Packaging Holdings (Worcester) Limited | Wholesale & retail | 2018 |
| B.A.D Carpentry and Construction Ltd | Manufacturing | 2026 |
| B.C.Business. Ltd | Administrative & support | 2003 |
| B.M.C. Competitions Department Limited | Manufacturing | 2002 |
| B2B Consumables Ltd | Wholesale & retail | 2026 |
| B2MWORCESTER Limited | Hospitality | 2024 |
| B9 Financial Limited | Professional & scientific | 2024 |
| B9 Property Investments Limited | Real estate | 2024 |
| BA Socials Ltd | Information & communication | 2025 |
| Babol Limited | Wholesale & retail | 2013 |
| Babyrice Limited | Manufacturing | 2011 |
| Back Office IT Ltd | Information & communication | 2011 |
| Back Pocket PA Limited | Administrative & support | 2025 |
| Back to Back Roofing & Cladding Ltd | Construction | 2025 |
| Back to Origin Limited | Extraterritorial | 2019 |
| Backland & Planning Ltd | Professional & scientific | 2023 |
| Backline 78 Limited | Arts & recreation | 2015 |
| BAD B Energy Limited | Wholesale & retail | 2026 |
| BAE Bars Ltd | Hospitality | 2025 |
| Baig Tyres Limited | Wholesale & retail | 2016 |
| Baigtanz Limited | Professional & scientific | 2019 |
| Bait Restaurant Ltd | Hospitality | 2023 |
| Baker Property Holdings Limited | Financial services | 2017 |
| Baker Property Management Limited | Real estate | 2005 |
| Baker Wolfe Ltd | Real estate | 2024 |
| Bakery Works ENG Ltd | Information & communication | 2024 |
| Baketin Limited | Hospitality | 2024 |
| Bakewell Farms Limited | Agriculture & fishing | 1975 |
| Balagh Developments Limited | Real estate | 2016 |
| Balanc.D Ltd | Arts & recreation | 2025 |
| Balance & Test Ltd | Manufacturing | 2025 |
| Balance Cafe & Yoga Ltd | Hospitality | 2026 |
| Baleadvisory Limited | Professional & scientific | 2026 |
| Balgores Motors (1982) Limited | Transport & logistics | 1982 |
| Ball Holdings Limited | Real estate | 2019 |
| Ballad Bars Ltd | Hospitality | 2025 |
| Ballantyne Foods Limited | Wholesale & retail | 2007 |
| Ballard Foods Limited | Professional & scientific | 1991 |
| Ballards Consulting Limited | Administrative & support | 1985 |
| Balmer Care Limited | Health & social care | 2015 |
| Balmer Care Services Limited | Health & social care | 2021 |
| Balmoral UK Cars Limited | Wholesale & retail | 2017 |
| Baltimore Fast Food Ltd | Hospitality | 2025 |
| Baltimore Services Ltd | Other services | 2019 |
| Balu Transport Ltd | Transport & logistics | 2019 |
| Bamboo Marketing (Worcester) Limited | Professional & scientific | 2016 |
| Banncroft Advisory UK Limited | Information & communication | 2026 |
| Bannisters Services Ltd | Administrative & support | 2020 |
| Barberellas Limited | Other services | 2003 |
| Barbertown (ST Johns) Ltd | Other services | 2014 |
| Barbertown (Tything) Ltd | Other services | 2014 |
| Barbourne Bowling Green Club,Limited(The) | Arts & recreation | 1899 |
| Barbourne Brook Limited | Professional & scientific | 2014 |
| Barbourne Car Sales Ltd | Wholesale & retail | 2017 |
| Barbourne Cider LLP | | 2013 |
| Barbourne Medical Rooms Limited | Real estate | 2025 |
| Barbourne Physiotherapy Limited | Health & social care | 2025 |
| Barclayjames Limited | Information & communication | 2013 |
| Bare Acres Ltd | Real estate | 2025 |
| Bareback Footwear Limited | Wholesale & retail | 2017 |
| Bark & Barrel Ltd | Hospitality | 2025 |
| Barkers Heritage Ltd | Construction | 2024 |
| Barnes Designs Limited | Arts & recreation | 2025 |
| Barnett Consultancy Services Limited | Professional & scientific | 2021 |
| Bars on the Run Limited | Hospitality | 2008 |
| Base Site Engineering Ltd | Construction | 2021 |
| Bass Lift Holdings Limited | Financial services | 2004 |
| Batchmoat Limited | Households | 1991 |
| Bath Rock Distillery Co Ltd | Wholesale & retail | 2024 |
| Battenhall Manor Limited | Real estate | 1991 |
| Battenhall Nursery Limited | Education | 2014 |
| Battenhall Property Improvements Limited | Construction | 2023 |
| Battle Space Ltd | Wholesale & retail | 2025 |
| Bauhinia Design Studio Limited | Professional & scientific | 2013 |
| Bay Resources Ltd | Other services | 2015 |
| Baylis Farming Limited | Agriculture & fishing | 2019 |
| Bayliss Accountancy Services Limited | Professional & scientific | 2017 |
| Bayly School of Reflexology Limited(The) | Education | 1982 |
| Baynhall Oast Houses Management Limited | Households | 1998 |
| Baynham Developments Ltd | Real estate | 2007 |
| Bayside Employment Relations Limited | Professional & scientific | 2011 |
| BB Ace Ltd | Professional & scientific | 2025 |
| BBT Farm Co Limited | Real estate | 2023 |
| BC Building Services Limited | Construction | 2006 |
| BC Construction Solutions Ltd | Construction | 2026 |
| Bckle Ltd | Information & communication | 2026 |
| BCO Online Limited | Education | 2024 |
| BDR Embedded Systems Ltd | Information & communication | 2018 |
| BDS Building Services Ltd | Construction | 2022 |
| Bdwm Limited | Professional & scientific | 2005 |
| BE Gold Property Ltd | Real estate | 2026 |
| BE the Change Holdings Limited | Financial services | 2021 |
| Beacon Estates Limited | Real estate | 2017 |
| Beamox Ltd | Wholesale & retail | 2023 |
| Beard and INK Clothing Ltd | Wholesale & retail | 2025 |
| Beard Creative Limited | Professional & scientific | 2011 |
| Bears Great Escapes Limited | Wholesale & retail | 2006 |
| Bearwood Healthcare Ltd. | Health & social care | 2016 |