| Auto Repair Body Worker Ltd | Wholesale & retail | 2025 |
| Auto Restore Centre Limited | Wholesale & retail | 2015 |
| Auto-Serve Garages Ltd. | Wholesale & retail | 1990 |
| Auto-Serve Properties Ltd | Professional & scientific | 2006 |
| Autobodyrepairuk Ltd | Wholesale & retail | 2025 |
| Autobodytechnik Ltd | Wholesale & retail | 2009 |
| Autodoc 4X4 Specialist Ltd | Wholesale & retail | 2021 |
| Automania Birmingham Ltd | Administrative & support | 2016 |
| Autoservice Great Bridge Ltd | Wholesale & retail | 2026 |
| Autumn Spa Skin & Beauty Clinic Limited | Health & social care | 2010 |
| AV Global Traders Ltd | Wholesale & retail | 2025 |
| AV Properties & Investment Ltd | Real estate | 2020 |
| AVA and Emma Limited | Wholesale & retail | 2026 |
| AVA Dryliners Ltd | Construction | 2019 |
| AVAANI2017 Ltd | Hospitality | 2017 |
| Avalanche Health Care Ltd | Administrative & support | 2023 |
| Avarese Ltd | Manufacturing | 2022 |
| Avenue Club Ltd | Hospitality | 2024 |
| Avenue Couriers Ltd | Transport & logistics | 2023 |
| Averiscore Ltd | Wholesale & retail | 2026 |
| AVI Logistics Group Ltd | Transport & logistics | 2025 |
| AVI Transport Ltd | Transport & logistics | 2014 |
| AX Motors Ltd | Administrative & support | 2024 |
| Ayaan Motors Limited | Wholesale & retail | 2014 |
| Ayan Foods Wholesale Ltd | Wholesale & retail | 2025 |
| Ayata Bar & Grill Ltd | Wholesale & retail | 2024 |
| Aysha Restaurant and Grill Limited | Hospitality | 2024 |
| Ayurveda Wellness and Pain Center Ltd | Health & social care | 2015 |
| Ayusanti Limited | Health & social care | 2019 |
| AZ Services Midlands Ltd | Transport & logistics | 2024 |
| Azad Lions Punjab Club UK C.I.C. | Health & social care | 2026 |
| B Birmingham Limited | Real estate | 2024 |
| B C R Services Limited | Water & waste | 2005 |
| B H Developments Midlands Ltd | Construction | 2021 |
| B Lite Electrical Ltd | Manufacturing | 2025 |
| B S Estates (Midlands) Ltd | Real estate | 2018 |
| B&J Sandhu Transport Limited | Transport & logistics | 2025 |
| B'Ham Door Panels Ltd | Manufacturing | 2012 |
| B.K. Construction House Limited | Construction | 2021 |
| B.M.C.S. Ltd | Construction | 2005 |
| B2H Distribution Ltd | Transport & logistics | 2025 |
| B71 Barbers Ltd | Other services | 2026 |
| B8 Property Limited | Real estate | 2019 |
| Baba BIR Singh Transport Ltd | Transport & logistics | 2026 |
| Baboo Stores Ltd | Wholesale & retail | 2022 |
| Baches Property Limited | Real estate | 2018 |
| Baches Solicitors LLP | | 2013 |
| Badeleks Ltd | Extraterritorial | 2024 |
| Badesha Civil Engineering Ltd | Construction | 2019 |
| Badhan Business Ltd | Hospitality | 2018 |
| Badhan Limited | Financial services | 2024 |
| Baggacts Ltd | Wholesale & retail | 2026 |
| Bagiyana Construction Ltd | Construction | 2024 |
| Bagnall Estates Ltd | Real estate | 2009 |
| Bahua Transport Ltd | Transport & logistics | 2023 |
| BAI Investments Ltd | Real estate | 2020 |
| Bains Cargo Ltd | Transport & logistics | 2026 |
| Bains Midland Construction Limited | Construction | 2017 |
| Bajwa & Sons Transport Ltd | Transport & logistics | 2025 |
| Baker Boys Limited | Manufacturing | 2006 |
| Baker Boyz Limited | Real estate | 2013 |
| Bakhtani Pizza Ltd | Hospitality | 2025 |
| Balak Cars Ltd | Wholesale & retail | 2025 |
| Bali Media Consultancy Limited | Information & communication | 2021 |
| Bali Transport Limited | Transport & logistics | 2014 |
| Balkiewicz Trans Ltd | Transport & logistics | 2015 |
| Balloons Hub Limited | Wholesale & retail | 2019 |
| Balwinder Logistics Ltd | Transport & logistics | 2023 |
| BAM Finishing Contractors Ltd | Construction | 2021 |
| Bambibuso Ltd | Health & social care | 2022 |
| Bamo Car Parts Ltd | Wholesale & retail | 2023 |
| BANC24 Ltd | Administrative & support | 2024 |
| Banga Investment Properties Ltd | Real estate | 2019 |
| Banga Transport Limited | Transport & logistics | 2015 |
| Banger Deliveries UK Ltd | Transport & logistics | 2025 |
| Bans Financial Services Ltd | Financial services | 2021 |
| Bapp Industrial Supplies (West Midlands) Limited | Manufacturing | 2016 |
| Baravicus Ltd | Wholesale & retail | 2025 |
| Bargainsdeal Ltd | Wholesale & retail | 2021 |
| Barkat Truckers Ltd | Transport & logistics | 2026 |
| Bartol Transport Ltd | Extraterritorial | 2014 |
| Bartow Limited | Wholesale & retail | 2019 |
| BAS222 Ltd | Transport & logistics | 2019 |
| Bashir Enterprises Ltd | Wholesale & retail | 2025 |
| Bassra Properties Ltd | Real estate | 2023 |
| Bathla Transport Limited | Wholesale & retail | 2025 |
| Bathroom 4 Less Ltd | Wholesale & retail | 2020 |
| Batra Associates Ltd | Professional & scientific | 2011 |
| Bawa Properties Ltd | Real estate | 2021 |
| Baymere Limited | Administrative & support | 2023 |
| Bayside Courier Services Ltd | Transport & logistics | 2022 |
| Bayside Supported Living Ltd | Health & social care | 2021 |
| Bayt Hana Ltd | Hospitality | 2025 |
| BB Kitchen Delivery Ltd | Wholesale & retail | 2023 |
| BB Kitchen Limited | Wholesale & retail | 2021 |
| BB Mand Ltd | Real estate | 2022 |
| BB Test Services Limited | Construction | 2019 |
| BBM Health&Beauty Limited | Wholesale & retail | 2023 |
| BBT Developments Ltd | Real estate | 2022 |
| Bcd-Uk Limited | Wholesale & retail | 2026 |