| A2F Ltd | Professional & scientific | 2022 |
| A2L Glazing Ltd | Construction | 2021 |
| A2Z Access Security Ltd | Information & communication | 2023 |
| A2Z Carwash Limited | Other services | 2015 |
| A2Z Convenience Ltd | Wholesale & retail | 2025 |
| A2Z Destinations Ltd | Administrative & support | 2023 |
| A2Z Eco Limited | Professional & scientific | 2024 |
| A2Z Essentials Ltd | Wholesale & retail | 2024 |
| A2Z Group Ltd. | Wholesale & retail | 2021 |
| A2Z Healthcare (UK) Limited | Health & social care | 2008 |
| A2Z Housing Limited | Health & social care | 2025 |
| A2Z Legal Services Limited | Professional & scientific | 2017 |
| A2Z Lives Ltd | Real estate | 2025 |
| A2Z Mots and Services Ltd | Wholesale & retail | 2025 |
| A2Z Nationwide Couriers Ltd | Transport & logistics | 2023 |
| A2Z Recovery Breakdown Company Limited | Transport & logistics | 2019 |
| A2Z Solutions UK UAE Ltd | Wholesale & retail | 2023 |
| A2Z Sports Ltd | Wholesale & retail | 2022 |
| A2Z Stock Sales Ltd | Wholesale & retail | 2020 |
| A2Z Transportation and Logistics UK Ltd | Transport & logistics | 2026 |
| A2Z UK EU Solutions Ltd | Administrative & support | 2012 |
| A2Z UK Travel Ltd | Transport & logistics | 2025 |
| A2Z Van Deliveries Ltd | Transport & logistics | 2025 |
| A2Z'S Tech Ltd | Information & communication | 2021 |
| A3J Smiles Ltd | Health & social care | 2024 |
| A3M Ltd | Real estate | 2015 |
| A3Z Consultancy Ltd | Professional & scientific | 2023 |
| A4 Enterprises Ltd | Real estate | 2021 |
| A4 Health Limited | Health & social care | 2018 |
| A45 Autos Ltd | Wholesale & retail | 2019 |
| A45 Car Repairs Ltd | Administrative & support | 2025 |
| A45 Trade Centre Ltd | Wholesale & retail | 2021 |
| A4A London Ltd | Construction | 2023 |
| A4A Properties Ltd | Real estate | 2022 |
| A4APPLE Driving School Ltd | Hospitality | 2018 |
| A4E Solutions Ltd | Administrative & support | 2022 |
| A5 Auto Body Repairs Ltd | Wholesale & retail | 2025 |
| A5 Future Investments Limited | Real estate | 2024 |
| A5 Global Services Ltd | Professional & scientific | 2026 |
| A5 News Limited | Real estate | 2015 |
| A5 Products Ltd | Wholesale & retail | 2012 |
| A5500 Ltd | Administrative & support | 2021 |
| A6000 Ltd | Wholesale & retail | 2015 |
| A8 Tech Limited | Other services | 2024 |
| A87 Limited | Health & social care | 2025 |
| A9 Group Ltd | Wholesale & retail | 2024 |
| A@Md Services Ltd | Transport & logistics | 2024 |
| AA Aesthetica Ltd | Information & communication | 2023 |
| AA & Co Carpentry Ltd | Manufacturing | 2024 |
| AA & ET Limited | Wholesale & retail | 2025 |
| AA Adams Property Investment Ltd | Real estate | 2021 |
| AA Associates 786 Ltd | Professional & scientific | 2024 |
| AA Autos Bham Limited | Wholesale & retail | 2019 |
| AA B&B Ltd | Hospitality | 2025 |
| AA Car Sales Group Ltd | Wholesale & retail | 2024 |
| AA Care Compliance and Trainings Ltd | Professional & scientific | 2018 |
| AA Care Homes Ltd | Health & social care | 2025 |
| AA Carriage Ltd | Transport & logistics | 2024 |
| AA Collections Limited | Wholesale & retail | 2022 |
| AA Comfort Chauffeurs Ltd | Other services | 2025 |
| AA Community Care Ltd | Health & social care | 2025 |
| AA Construction & Renovations Ltd | Construction | 2025 |
| AA Core Medical Ltd | Health & social care | 2026 |
| AA Crystal Hygiene Ltd | Administrative & support | 2024 |
| AA Derm Ltd | Health & social care | 2024 |
| AA Detailing Ltd | Administrative & support | 2026 |
| AA Digital Productions Ltd | Information & communication | 2019 |
| AA Elite Glazing Ltd | Construction | 2026 |
| AA Estate Investments Limited | Real estate | 2018 |
| AA Furniture Ltd | Manufacturing | 2023 |
| AA Goods and Services Ltd | Wholesale & retail | 2023 |
| AA Grand Decorators Limited | Construction | 2025 |
| AA Holdings Group Limited | Real estate | 2022 |
| AA Housing Accomodation Ltd | Households | 2023 |
| AA Housing and Support Ltd | Construction | 2026 |
| AA Housing Group Ltd | Real estate | 2025 |
| AA Housing Ltd | Real estate | 2024 |
| AA Impact Ltd | Wholesale & retail | 2014 |
| AA Investment Ventures Ltd | Real estate | 2018 |
| AA Investments Group UK Ltd | Real estate | 2026 |
| AA Legal Ltd | Professional & scientific | 2024 |
| AA Leisures's Ltd | Construction | 2025 |
| AA Locum Limited | Administrative & support | 2009 |
| AA Logistics B,Ham Ltd | Wholesale & retail | 2025 |
| AA Logistics Services Limited | Transport & logistics | 2026 |
| AA Management Holdings Ltd | Financial services | 2021 |
| AA Metrolease Ltd | Real estate | 2026 |
| AA North Estates Ltd | Real estate | 2023 |
| AA Optic Ltd | Health & social care | 2016 |
| AA Patisseries Limited | Hospitality | 2025 |
| AA Pharm Services Ltd | Wholesale & retail | 2026 |
| AA Properties Refurbishment Ltd | Real estate | 2026 |
| AA Property Specialists Limited | Real estate | 2019 |
| AA Property Surveyors Limited | Professional & scientific | 2015 |
| AA Quality Consultants Ltd | Professional & scientific | 2013 |
| AA Raja Ltd | Health & social care | 2019 |
| AA Real Estate Group Ltd | Real estate | 2025 |
| AA Recruitment Services Ltd | Administrative & support | 2020 |
| AA Routes Ltd | Transport & logistics | 2025 |
| AA Services Group Ltd | Administrative & support | 2024 |