| A&G British Cafe Ltd | Hospitality | 2024 |
| A&H Property Portfolio Ltd | Financial services | 2019 |
| A&J Global Solutions Ltd | Wholesale & retail | 2024 |
| A&L Healthcare Solutions Limited | Health & social care | 2014 |
| A&M Rendering Ltd | Construction | 2025 |
| A&Q Birchills Halal Meat Ltd | Wholesale & retail | 2022 |
| A&S Halal Meat Shop Ltd | Wholesale & retail | 2024 |
| A&T Chatha Ltd. | Construction | 2014 |
| A&Y Kashmir Halal Meat Ltd | Wholesale & retail | 2024 |
| A,M. Roofing & Maintenance Ltd | Construction | 2023 |
| A. J. Plastics Limited | Extraterritorial | 1977 |
| A. L. Vintage Toys Limited | Wholesale & retail | 2018 |
| A.A. Zinc Ltd. | | 1989 |
| A.Arshad Locum Ltd | Health & social care | 2025 |
| A.B.S. (Burton) Limited | Wholesale & retail | 1970 |
| A.B.S. Skip Hire Limited | Water & waste | 1980 |
| A.Ball & Sons Property Service Ltd | Households | 2020 |
| A.C Properties (Walsall) Limited | Real estate | 2013 |
| A.C.S. Electrics (Midlands) Limited | Manufacturing | 2019 |
| A.C.T. (National) Ltd | Professional & scientific | 2000 |
| A.D.E. Electrical and Data Ltd | Construction | 2011 |
| A.D.R. Roofing & Construction Ltd | Construction | 2018 |
| A.E.& F.Brittain Limited | Wholesale & retail | 1949 |
| A.E.E. Ltd. | Professional & scientific | 1991 |
| A.E.Poxon & Sons Limited | Wholesale & retail | 1971 |
| A.F. Belting Limited | Wholesale & retail | 2020 |
| A.G.A. Enterprise Ltd. | Real estate | 1995 |
| A.Ghafoori Limited | Construction | 2025 |
| A.H. Engineering Support Services Ltd | Manufacturing | 2017 |
| A.H.J Consultants Ltd | Professional & scientific | 2023 |
| A.I Intercontinental Ltd | Wholesale & retail | 2022 |
| A.I.G.B.E. F. Ltd | Education | 2017 |
| A.J Cartwright Property Limited | Construction | 2023 |
| A.J.B. Carpets Limited | Construction | 2002 |
| A.J.K. Estates International Limited | Real estate | 2025 |
| A.Johalcouriers Ltd | Transport & logistics | 2025 |
| A.K.Haleath Consultant Limited | Health & social care | 2010 |
| A.M.I.S. Group Ltd | Transport & logistics | 2019 |
| A.P Mot's Limited | Wholesale & retail | 2022 |
| A.P.G Windows Ltd | Construction | 2015 |
| A.R.D Plastering and Roofing Limited | Construction | 2026 |
| A.R.G.M. Engineering Ltd | Construction | 2013 |
| A.S. Wagstaff Services Ltd | Construction | 2023 |
| A.S.C Foods Ltd | Hospitality | 2025 |
| A.W. Chinn Properties (B'Ham) Limited | Administrative & support | 1965 |
| A1 Car Sales Ltd | Wholesale & retail | 2022 |
| A1 Express Cars Midlands Ltd | Transport & logistics | 2025 |
| A1 Halal Meat Midlands Ltd | Wholesale & retail | 2017 |
| A1 Lighting Design and Supply Limited | Professional & scientific | 2010 |
| A1 MA GAS Services Ltd | Construction | 2019 |
| A1 Walsall Radio Taxis Limited | Administrative & support | 2010 |
| A1BALUSTRADE Ltd | Construction | 2019 |
| A2 Builders Ltd | Construction | 2020 |
| A26 Investments Limited | Real estate | 2021 |
| A2B Autos and Recovery Limited | Wholesale & retail | 2023 |
| A2B Driver Hire Limited | Transport & logistics | 2020 |
| A2B Vauxhall Spares Limited | Wholesale & retail | 2003 |
| A2B Windscreens Ltd | Wholesale & retail | 2004 |
| A2BEE Logistics Ltd | Transport & logistics | 2022 |
| A2BG Transport Ltd | Transport & logistics | 2025 |
| A2M Express Ltd | Transport & logistics | 2026 |
| A2Z Local Ltd | Wholesale & retail | 2024 |
| A2Z Tax Advisors Ltd | Professional & scientific | 2022 |
| A3 Property Partners Ltd | Real estate | 2026 |
| A5 Unique Limited | Wholesale & retail | 2024 |
| A9 Transport Ltd | Transport & logistics | 2025 |
| AA & Associates Ltd | Professional & scientific | 2024 |
| AA & Co Group Ltd | Financial services | 2020 |
| AA Distributors Ltd | Wholesale & retail | 2025 |
| AA Marketing Services Ltd | Energy | 2023 |
| AA Payroll and IT Services Limited | Information & communication | 2025 |
| AA Property Investors Ltd | Real estate | 2025 |
| AAA Cars Walsall Ltd | Transport & logistics | 2018 |
| Aaash Medicare Limited | Health & social care | 2013 |
| AAC - Eurovent Ltd. | Manufacturing | 1979 |
| AAC Engineering Services Limited | Professional & scientific | 2014 |
| Aadam Transport Ltd | Transport & logistics | 2024 |
| Aadams Holdings Ltd | Financial services | 2022 |
| Aadvik Ltd | Real estate | 2024 |
| AAE Products Limited | Wholesale & retail | 2013 |
| AAE Textiles Limited | Other services | 2018 |
| AAE Ventures Ltd | Real estate | 2024 |
| AAH Haulage Ltd | Transport & logistics | 2024 |
| Aap.Events Ltd | Hospitality | 2025 |
| Aarian Banqueting Limited | Hospitality | 2025 |
| Aarian Housing Limited | Real estate | 2025 |
| Aarnay Property Ltd | Real estate | 2026 |
| Aashirwad Properties Limited | Real estate | 2017 |
| Aatax Limited | Professional & scientific | 2007 |
| AAW Pharma Limited | Wholesale & retail | 2023 |
| Aayan Textiles Ltd | Wholesale & retail | 2022 |
| AB Boys Ltd | Education | 2025 |
| AB Building & Property Ltd | Real estate | 2025 |
| AB Electrical & Building Services Limited | Administrative & support | 2013 |
| AB Girls Ltd | Education | 2025 |
| AB Logistics and Management Services Limited | Wholesale & retail | 2025 |
| AB Maintenance Services Ltd | Administrative & support | 2020 |
| AB Nursery Ltd | Education | 2025 |
| AB Primary Ltd | Education | 2025 |
| AB3D Designs Ltd | Manufacturing | 2022 |