| B&H Cleaning Solutions Ltd | Administrative & support | 2026 |
| B-Gone Laser Removal Ltd | Other services | 2022 |
| B.B GAS Services Midlands Limited | Construction | 2012 |
| Baburchidordon Ltd | Hospitality | 2024 |
| Bagi Health Limited | Health & social care | 2018 |
| Bailey Reign Limited | Real estate | 2026 |
| Bailey Safety Ltd | Wholesale & retail | 2017 |
| Bajklaser Ltd | Manufacturing | 2022 |
| BAKE180 Limited | Hospitality | 2017 |
| Baker (SCG) Mortgages Ltd | Financial services | 2020 |
| BAL Dry-Lining / Ceilings / Partitions and Construction Limited | Construction | 2021 |
| Balance of Power Trading Limited | Extraterritorial | 2016 |
| Ball Bounce HIT Limited | Arts & recreation | 2015 |
| Baloo Logistics Limited | Transport & logistics | 2017 |
| Balsukh Transport Limited | Transport & logistics | 2025 |
| Banatek Limited | Wholesale & retail | 2013 |
| Barbarossa Tools Ltd | Wholesale & retail | 2019 |
| Barcliff Investments Limited | Water & waste | 2013 |
| Baringo Ltd | Real estate | 2021 |
| Baringo Properties Ltd | Real estate | 2021 |
| Barnt Green Fish Bar Ltd | Hospitality | 2025 |
| Baron Training Limited | Education | 2005 |
| Basin Lane Aesthetics Limited | Health & social care | 2012 |
| Bassett Farm Limited | Real estate | 1993 |
| Bastu Ltd | Professional & scientific | 2024 |
| Bates of Atherstone Limited | Wholesale & retail | 2013 |
| Batheability (Midlands) Ltd. | Construction | 2018 |
| Bathroom Packages Ltd | Construction | 2024 |
| Bathsheba Services Limited | Professional & scientific | 2008 |
| Battery Systems Ltd | Professional & scientific | 2022 |
| Baxter and Shipley LLP | | 2003 |
| Baybridge Press Tools Limited | Manufacturing | 1978 |
| Bayliss and Wilcox Community Support Ltd | Health & social care | 2014 |
| Bayliss Cooling Solutions Ltd | Construction | 2026 |
| Baytons Bespoke Furniture Limited | Manufacturing | 2021 |
| BB Building Maintenance Services Limited | Construction | 2019 |
| BBN Energy Ltd | Information & communication | 2025 |
| BC Strip OUT Limited | Construction | 2026 |
| BC Tamworth Ltd | Hospitality | 2025 |
| BCM (Midlands) Ltd | Other services | 2023 |
| Bcmp Tamworth Ltd | Construction | 2023 |
| BDG Studio Limited | Professional & scientific | 2001 |
| BDR Management Consultancy UK Limited | Professional & scientific | 2021 |
| BE Investments and Property Holdings Ltd | Real estate | 2023 |
| BE Limitless CIC | Arts & recreation | 2025 |
| Beachfield UK Limited | Real estate | 1998 |
| Beaclean Machines Limited | Administrative & support | 2020 |
| Beacon Heritage Limited | Information & communication | 2025 |
| Beacon Heritage Retail Limited | Wholesale & retail | 2026 |
| Beam Beauty Limited | Other services | 2025 |
| Bean IT Limited | Information & communication | 2003 |
| Bear Engineers Limited | Manufacturing | 2023 |
| Bear Land Developments Limited | Real estate | 2020 |
| Beason Recruitment Group Ltd | Administrative & support | 2021 |
| Beau-Tea Ltd | Other services | 2025 |
| Beauchamp Management Company Ltd | Real estate | 2003 |
| Beauchamp Mobile Tyre Services Limited | Manufacturing | 2025 |
| Beauchamp Tyres Limited | Manufacturing | 2025 |
| Beautiful Faces Aesthetics Ltd | Other services | 2023 |
| Beautybarntamworth Limited | Other services | 2019 |
| Becca KIM Aesthetic Services Limited | Other services | 2025 |
| Bedworth Carnival Ltd | Professional & scientific | 2019 |
| Beechcroft Midlands Ltd | Wholesale & retail | 2017 |
| Beechtree Day Services Ltd | Health & social care | 2012 |
| Beequest Limited | Professional & scientific | 2025 |
| Being Human Coaching Ltd | Professional & scientific | 2021 |
| BEL Property Limited | Construction | 2007 |
| Belinda Janet Charles Ltd | Extraterritorial | 2024 |
| Belinda Janet Howes Ltd | Extraterritorial | 2024 |
| Bell Asset Holdings Ltd | Construction | 2023 |
| Bell Energy Ltd | Wholesale & retail | 2023 |
| Bell Online Ltd | Information & communication | 2010 |
| Bell Stone Motor Group Ltd | Wholesale & retail | 2026 |
| Bella Cole Ltd | Information & communication | 2025 |
| Bellfield Residential Properties Limited | Real estate | 2018 |
| Bellissima GEL UK and Europe Limited | Wholesale & retail | 2015 |
| BEN Brown Plumbing & Heating Ltd | Construction | 2021 |
| BEN Jones Building Services Ltd | Construction | 2026 |
| BEN Ross Plastering Ltd | Construction | 2003 |
| Bengal Massalla Ltd | Administrative & support | 2018 |
| Bennett Seed Exports Limited | Wholesale & retail | 2001 |
| Benscott Transport Limited | Transport & logistics | 2025 |
| Benson Building Advisory Services Ltd | Construction | 2023 |
| Bentley Blasters Limited | Manufacturing | 2019 |
| Berbera Properties Limited | Real estate | 2026 |
| Berkeley Performance Ltd | Wholesale & retail | 2021 |
| Berkswell Construction Limited | Construction | 2015 |
| Berrington Creative Limited | Professional & scientific | 2018 |
| Berry Clark & Co. Limited | Administrative & support | 1989 |
| Berry Clark Properties Ltd | Construction | 2016 |
| Berry Gifford Holdings Ltd | Other services | 2017 |
| Berry Gifford Ltd | Health & social care | 2015 |
| Berwick Plasterers Limited | Construction | 2003 |
| Bespoke Leathering Limited | Manufacturing | 2005 |
| Best Environmental Limited | Real estate | 2000 |
| Best Residence Ltd | Real estate | 2023 |
| Bestuition Limited | Education | 2019 |
| Better Builds Construction Ltd | Construction | 2026 |
| Better Minds Better Business Ltd | Professional & scientific | 2025 |
| Betty's Property Ltd | Real estate | 2018 |