| Aspire Design Limited | Information & communication | 1994 |
| Audacity Events Limited | Arts & recreation | 2025 |
| Audeamus Holdings Ltd | Construction | 2016 |
| AUK Ltd | Manufacturing | 2025 |
| Automotive Body Consulting Ltd | Professional & scientific | 2013 |
| Automotive Industry Products Limited | Wholesale & retail | 2006 |
| AV Business Consulting Limited | Professional & scientific | 2010 |
| AW Plant Repairs Ltd | Manufacturing | 2023 |
| B & M Rental Properties Ltd | Real estate | 2022 |
| B L Sports Coaching Limited | Education | 2022 |
| B.J. Landscapes Limited | Construction | 1996 |
| B.J. Leisure Installations Limited | Construction | 1985 |
| B.J. Play Limited | Construction | 2003 |
| BAA Engineering Ltd | Manufacturing | 2013 |
| Babyskates Ltd | Wholesale & retail | 2020 |
| Bailye Holdings Ltd | Financial services | 2022 |
| Balco Transport Ltd | Transport & logistics | 2026 |
| Barrow Associates Limited | Administrative & support | 2011 |
| Bassett Education Limited | Public administration | 2018 |
| Bay-Route Music Ltd | Extraterritorial | 2013 |
| Bayley Property Services (Midlands) Ltd | Construction | 2020 |
| BC Electrical Installations Ltd | Construction | 2020 |
| Beacon Building Developments Limited | Construction | 2003 |
| Beacon Rentals Limited | Real estate | 2014 |
| Beau Cheveux Hair and Extensions Ltd | Other services | 2018 |
| Beauty and JO Limited | Wholesale & retail | 2023 |
| Beccy COX Case Management Limited | Health & social care | 2022 |
| Belle Divino Ltd | Wholesale & retail | 2007 |
| Benkay Limited | Wholesale & retail | 2024 |
| Bespoke Spray UK Ltd | Construction | 2022 |
| Bewick Transport Services Limited | Transport & logistics | 2016 |
| BEX Official Art Limited | Arts & recreation | 2024 |
| BID 123 Ltd | Professional & scientific | 2025 |
| Bikenet UK Ltd | Wholesale & retail | 2021 |
| Bikeronestop Ltd | Wholesale & retail | 2022 |
| BL Property Group Ltd | Real estate | 2024 |
| Blackbooks Accounting Ltd | Professional & scientific | 2025 |
| Blacks Property Ltd | Real estate | 2013 |
| BLE Plant Limited | Administrative & support | 2023 |
| Blendcheck Limited | Extraterritorial | 2011 |
| Bloomsbury Investments Limited | Professional & scientific | 1996 |
| Bloxwich Linishing and Fettling Limited | Manufacturing | 2017 |
| Blue Planet Fancy Dress Limited | Wholesale & retail | 2020 |
| Bluebird Estates Ltd | Real estate | 2023 |
| Bobkids Property Ltd | Real estate | 2017 |
| Boxclever Total Waste Management Limited | Extraterritorial | 2005 |
| Boxed Clever Group Ltd | Real estate | 2024 |
| Boxed Clever Homecare Limited | Construction | 2026 |
| Bpcmotorsport Limited | Arts & recreation | 2024 |
| Bradshaws Farm Shop & Cafe Ltd | Hospitality | 2023 |
| Brassgable Limited | Real estate | 1985 |
| Brick & Bean Limited | Wholesale & retail | 1985 |
| Briggs Automotive Vehicle Repair Ltd | Wholesale & retail | 2018 |
| Bright Light Electrical Solutions Ltd | Construction | 2012 |
| Brom Maintenance Limited | Real estate | 2010 |
| Brotein Products UK Ltd | Wholesale & retail | 2023 |
| Brown & Sons Motor Company Limited | Wholesale & retail | 2016 |
| Brunton Nursery Limited | Education | 2010 |
| Bulger Estates Limited | Real estate | 2026 |
| BUN in the Oven Imaging Ltd | Administrative & support | 2025 |
| Bundles & Bites Ltd | Manufacturing | 2024 |
| Burntwood Air Conditioning Limited | Energy | 2023 |
| Burntwood ARB Ltd | Administrative & support | 2022 |
| Burntwood Auto Centre Limited | Transport & logistics | 2005 |
| Burntwood Building Ltd | Construction | 2019 |
| Burntwood Bumpers/Burntwood Auto Plastics | | 1995 |
| Burntwood Civils and Surfacing Limited | Construction | 2026 |
| Burntwood Co-Operative Learning Trust | Education | 2017 |
| Burntwood Computer Services Limited | Other services | 2020 |
| Burntwood Engineering Company Limited | Manufacturing | 2007 |
| Burntwood Entertainment Ltd | Hospitality | 2025 |
| Burntwood Finishings Ltd | Construction | 2023 |
| Burntwood Funerals Limited | Other services | 2021 |
| Burntwood Horizon C.I.C. | Arts & recreation | 2025 |
| Burntwood Installation and Renovation Ltd | Construction | 2014 |
| Burntwood MOT Centre Limited | Wholesale & retail | 2015 |
| Burntwood Osteopathic Clinic Limited | Health & social care | 2008 |
| Burntwood Performance Centre Limited | Wholesale & retail | 2019 |
| Burntwood Roadsweepers Limited | Administrative & support | 1999 |
| Burntwood Smart Repairs Limited | Wholesale & retail | 2026 |
| Burntwood Spice Ltd | Hospitality | 2026 |
| Burntwood Windows and Doors Ltd | Construction | 2017 |
| Burntwoodshop Ltd | Manufacturing | 2025 |
| Burton BAP Company Limited | Wholesale & retail | 2020 |
| Bush Babies Childrens Nurseries Limited | Education | 1999 |
| Bushbabies Childrens Nurseries (Holdings) Limited | Professional & scientific | 2006 |
| Businesses Getting Results Limited | Professional & scientific | 2023 |
| Busy Bees Day Nurseries (Trading) Limited | Education | 1996 |
| Busy Bees Day Nurseries Limited | Education | 1965 |
| Busy Bees Education & Training Limited | Education | 1995 |
| Busy Bees Holdings Limited | Professional & scientific | 2009 |
| Busy Bees Nurseries Limited | Education | 1997 |
| Button Solutions Ltd | Professional & scientific | 2009 |
| BWL Fit Ltd | Construction | 2022 |
| C G Woodward Ltd | Professional & scientific | 2021 |
| C Kearney Roofing Ltd | Construction | 2020 |
| C M B Roofing Limited | Construction | 2003 |
| C&M Elite Property Ltd | Real estate | 2025 |
| C.Robinson & Sons(Butchers)Limited | Wholesale & retail | 1962 |
| C.S.K. Civils Ltd | Construction | 2021 |