| Akworth Limited | Health & social care | 2024 |
| AKX Commerce Ltd | Wholesale & retail | 2025 |
| AL Abadie Consultancy Ltd | Real estate | 2011 |
| AL Abadie Medical Services Ltd | Health & social care | 2017 |
| AL Arab Perfumes Ltd | Wholesale & retail | 2026 |
| AL Fabrications Limited | Manufacturing | 2006 |
| AL Kareem Travel Ltd | Administrative & support | 2025 |
| AL Medina (Newport) Ltd | Hospitality | 2019 |
| AL Reej Real Estate Limited | Real estate | 2025 |
| AL Wasay PVT Ltd | Wholesale & retail | 2025 |
| Al-Bashir Trading and Contracting Ltd | Wholesale & retail | 2026 |
| Al-Daoud Limited | Real estate | 2024 |
| Al-Medina Halal Meat Centre Ltd | Wholesale & retail | 2026 |
| Al-Mumin Funeral Services Limited | Other services | 2018 |
| Al-Sharaf Ltd | Real estate | 2024 |
| Aladdin's Education Limited | Education | 2015 |
| Alain Balanche Ltd | Extraterritorial | 2011 |
| Alam & Sons Investment Ltd | Real estate | 2022 |
| Alarm Response & Key Holders (Midlands) Limited | Administrative & support | 2015 |
| Alauren Limited | Professional & scientific | 2024 |
| Alaway Logistic Ltd | Transport & logistics | 2025 |
| Albany Property Services Limited | Real estate | 2017 |
| Albarakah Automobiles Ltd | Wholesale & retail | 2026 |
| Albert Kirk Limited | Wholesale & retail | 1959 |
| Alberts (Wton) Ltd | Hospitality | 2026 |
| Albion Art Club CIC | Wholesale & retail | 2025 |
| Albion Invest Limited | Real estate | 2025 |
| Albion Invest NL Limited | Real estate | 2024 |
| Albrighton Car Garage Limited | Manufacturing | 2014 |
| Albrighton Community Homes Limited | Real estate | 2020 |
| Albrighton Consulting Limited | Professional & scientific | 2024 |
| Albrighton EYE Clinic Ltd | Health & social care | 2020 |
| Albrighton Feeds Ltd | Wholesale & retail | 2010 |
| Albrighton Group Services Ltd | Administrative & support | 2020 |
| Albrighton Homes Ltd | Real estate | 2022 |
| Albrighton House Ltd | Households | 2020 |
| Albrighton News Limited | Wholesale & retail | 2014 |
| Albrighton Property Limited | Extraterritorial | 2003 |
| Albrighton Property Services Limited | Real estate | 1981 |
| Albro (Wolverhampton) Limited | Wholesale & retail | 1998 |
| Albro Landscaping Ltd | Professional & scientific | 2026 |
| ALC Motors Ltd | Wholesale & retail | 2023 |
| ALC Wolverhampton Ltd | Manufacturing | 2017 |
| Alcazaba Properties Ltd | Real estate | 2024 |
| Alcohol Home Treatment Limited | Health & social care | 2021 |
| Aldel Properties Limited | Real estate | 2026 |
| Alder Recruitment Limited | Administrative & support | 2023 |
| Alderaan Electrical Services Ltd | Construction | 2018 |
| Alderon Systems Ltd | Information & communication | 2026 |
| Aldridge Builders Beams Ltd | Wholesale & retail | 2016 |
| Aldridge Farm Management Company Ltd | Households | 2025 |
| Aldridge Trimming EOT Limited | Extraterritorial | 2021 |
| Aldridge Trimming Limited | Wholesale & retail | 2012 |
| Alec Lawrance Engineering Management Ltd | Professional & scientific | 2024 |
| Alectorismedia Ltd | Wholesale & retail | 2024 |
| Aleks Deliveries Limited | Transport & logistics | 2025 |
| Aletheia Audit Limited | Professional & scientific | 2026 |
| Alex Built IT Limited | Professional & scientific | 2018 |
| Alex Trans. Associates Ltd | Transport & logistics | 2023 |
| Alex&Bibi Ltd | Transport & logistics | 2025 |
| Alexander & Associates (Consulting) Limited | Professional & scientific | 2002 |
| Alexander James Wealth Management Limited | Financial services | 2010 |
| Alexander ROW Limited | Real estate | 2016 |
| Alexander-Head & Co Ltd | Financial services | 2008 |
| Alexandria O'Brien Ltd | Other services | 2023 |
| Alexie Transport Ltd | Transport & logistics | 2024 |
| Alexpol Transport Ltd | Transport & logistics | 2016 |
| Alexy and Sainty Healthcare Ltd | Health & social care | 2023 |
| Alfa Consulting Limited | Professional & scientific | 2009 |
| Alfa Ecom Ltd | Wholesale & retail | 2026 |
| Alfatechnet Ltd | Information & communication | 2026 |
| Alfia Hairdressing Ltd | Other services | 2008 |
| Alfred Mcalpine Slate Limited | Mining & quarrying | 1971 |
| Alfred Mcalpine Utility Services Limited | Professional & scientific | 1925 |
| Alfred Mcalpine Utility Services NW Limited | Wholesale & retail | 1953 |
| Alghazi Traders Ltd | Wholesale & retail | 2026 |
| Algo Rise Tech Ltd | Information & communication | 2025 |
| Alhuda Islamic Academy Ltd | Education | 2026 |
| ALI Ahmad Awan Consultancy Ltd | Other services | 2025 |
| ALI Apparel Ltd | Wholesale & retail | 2023 |
| ALI Arsalan Ltd | Wholesale & retail | 2026 |
| ALI Bahaar Enterprises Ltd | Information & communication | 2025 |
| ALI Ecom Ltd | Wholesale & retail | 2026 |
| ALI Fast Food Ltd | Hospitality | 2023 |
| ALI Holdings 1 Ltd | Real estate | 2023 |
| ALI Mahmood Khan Ltd | Information & communication | 2025 |
| ALI Malik Limited | Health & social care | 2018 |
| ALI Market Limited | Wholesale & retail | 2026 |
| ALI Mohammadi Ltd | Wholesale & retail | 2023 |
| ALI Raza Digital Ltd | Information & communication | 2026 |
| ALI Raza Solutions Ltd | Wholesale & retail | 2025 |
| ALI TIM Ltd | Transport & logistics | 2019 |
| ALI Zyan Limited | Health & social care | 2008 |
| Ali's Fast Food Chain Ltd | Hospitality | 2025 |
| Aliam Limited | Professional & scientific | 2004 |
| Aliaox Ltd | Transport & logistics | 2021 |
| Alibinu Limited | Manufacturing | 2024 |
| Alidasa Ltd | Wholesale & retail | 2019 |
| Alie Limited | Health & social care | 2014 |
| Alif Visa Ltd | Professional & scientific | 2026 |