| 01104388 Limited | Manufacturing | 1973 |
| 1122 Properties Ltd | Real estate | 2019 |
| 18-24 Oak Close RTM Company Ltd | Households | 2017 |
| 1ST Interims Ltd | Other services | 2022 |
| 2 BRO Construction Ltd | Other services | 2019 |
| 2 Builders Midland Ltd | Construction | 2023 |
| 24 Peace Employment Ltd | Administrative & support | 2022 |
| 24 Peace Security Ltd | Administrative & support | 2016 |
| 24-SEVEN Convenience Stores Group Ltd | Wholesale & retail | 2024 |
| 250 Stroud Limited | Hospitality | 2014 |
| 3D Tooling Technologies Limited | Manufacturing | 2009 |
| 3D Tooltech Limited | Manufacturing | 2019 |
| 3DT Woodshop Limited | Manufacturing | 2023 |
| 3KK Logistics Ltd | Transport & logistics | 2023 |
| 3RS Recovery Solutions Ltd | Transport & logistics | 2018 |
| 4 G Steel Stockholder Ltd | Manufacturing | 2010 |
| 442 Bar & Grill Ltd | Hospitality | 2020 |
| 5 Squires Limited | Administrative & support | 2012 |
| 5 Star Re-Roofs & Building Ltd | Construction | 2021 |
| 6IXCARS Ltd | Wholesale & retail | 2022 |
| 7 Brother's Kitchen Beds and Booth Seating Limited | Wholesale & retail | 2022 |
| 7DAYS Concrete Limited | Manufacturing | 2025 |
| 876HOMES Ltd | Real estate | 2025 |
| 876TRAVEL Ltd | Transport & logistics | 2026 |
| A Ahmed Company Ltd | Wholesale & retail | 2025 |
| A Breaking Parts Company Ltd | Wholesale & retail | 2026 |
| A Cloud Ltd | Wholesale & retail | 2020 |
| A Davy Properties Ltd | Real estate | 2025 |
| A Good Nudge Agency Limited | Professional & scientific | 2024 |
| A Good Nudge Limited | Administrative & support | 2022 |
| A K Lifestyle Ltd | Wholesale & retail | 2020 |
| A Plan & Design Ltd | Information & communication | 2019 |
| A Sekhon Ltd | Transport & logistics | 2017 |
| A Star Tennis Limited | Education | 2018 |
| A to Z Mortgage Services Ltd | Financial services | 2022 |
| A to Z Property Experts Ltd | Real estate | 2026 |
| A Tyagi Holding Limited | Financial services | 2015 |
| A&A Classic's Ltd | Wholesale & retail | 2017 |
| A&A Tran Properties Ltd | Real estate | 2026 |
| A&K Painting Services Ltd | Construction | 2022 |
| A&K Refurb Ltd | Construction | 2025 |
| A&T Future Concepts Limited | Administrative & support | 2020 |
| A-Quad Property Services Limited | Real estate | 2019 |
| A. Cowley Construction Ltd | Construction | 2022 |
| A. S. Group Management Limited | Financial services | 1965 |
| A. Westwood Roofing Ltd | Construction | 2023 |
| A.D. Lifts WM Ltd | Manufacturing | 2021 |
| A.J. Peasley & Co Limited | Professional & scientific | 2003 |
| A.J. Steel Erection Services Ltd | Construction | 2016 |
| A.K.H. Bedrooms Ltd | Construction | 2018 |
| A.M. Home Improvements Midlands Ltd | Construction | 2022 |
| A.P.D. Assets Ltd | Real estate | 2017 |
| A.R. Mobile Welding Fabricating Ltd | Manufacturing | 2026 |
| A.S. Business Services Ltd | Construction | 2024 |
| A.S. Lloyd Ltd | Health & social care | 2019 |
| A2 Property Maintenance Limited | Construction | 2025 |
| AA Distro Ltd | Wholesale & retail | 2024 |
| AA Equipment Services Limited | Manufacturing | 2001 |
| Aa&I Property Management Limited | Real estate | 2019 |
| AAH Roofing Ltd | Construction | 2025 |
| AAK WM Ltd | Wholesale & retail | 2023 |
| Aalco Metals Limited | Wholesale & retail | 1998 |
| AAR Capital Limited | Real estate | 2026 |
| Aashna Optical Services Limited | Health & social care | 2011 |
| Aayanamina Ltd | Manufacturing | 2023 |
| AB Scaffolding and Access Ltd | Construction | 2022 |
| AB T&Cs Ltd | Professional & scientific | 2014 |
| Abacus Consulting Engineers Ltd | Construction | 2024 |
| Abena Lopez Limited | Other services | 2021 |
| Abercrombie WM Ltd | Education | 2025 |
| Abfuture Ltd | Real estate | 2026 |
| Abid 786 Bodywork Limited | Wholesale & retail | 2019 |
| ABL (Aluminium Components) Limited | Manufacturing | 1998 |
| ABL Holdings Limited | Manufacturing | 2004 |
| ABS Auto Parts Ltd | Wholesale & retail | 2022 |
| ABU Aishah Academy Limited | Wholesale & retail | 2026 |
| ABZ Collectibles Ltd | Wholesale & retail | 2026 |
| Academicians Ltd | Education | 2021 |
| Accident Repair Centre Wednesbury Ltd | Wholesale & retail | 2022 |
| Ace Procurement Ltd | Professional & scientific | 2025 |
| Ace Promotions [Wednesbury] Ltd | Professional & scientific | 2019 |
| Ace Vehicles Limited | Transport & logistics | 2023 |
| Acerinox (U.K.) Limited | Wholesale & retail | 1995 |
| Acey Consultancy Ltd | Wholesale & retail | 2024 |
| Acknowledged Goods Limited | Wholesale & retail | 2023 |
| ACT OUT Ltd | Information & communication | 2014 |
| Active Care Resources Ltd | Health & social care | 2015 |
| Acton Bright Steel Limited | Wholesale & retail | 1963 |
| AD Steel Erecting Ltd | Construction | 2015 |
| AD UK Logistics Ltd | Transport & logistics | 2020 |
| Adams Associates (O.K.) | Professional & scientific | 2015 |
| Adams Meat and Poultry Ltd | Wholesale & retail | 2018 |
| Adams Roofing Services Ltd | Construction | 2019 |
| Adams Travel GB Ltd | Administrative & support | 2024 |
| ADM Healthcare Holdings Limited | Financial services | 2024 |
| ADM Healthcare Limited | Wholesale & retail | 2014 |
| Advance Itsm Limited | Information & communication | 2009 |
| Advanced Trims Limited | Administrative & support | 2025 |
| Advans Media Ltd | Professional & scientific | 2026 |
| Advotech Systems Limited | Construction | 2003 |