| Aahzk Ltd | Professional & scientific | 2025 |
| AAI Agri Ltd | Administrative & support | 2024 |
| AAI Care Ltd | Health & social care | 2023 |
| AAI Labs Ltd | Information & communication | 2023 |
| AAI Media Ltd | Arts & recreation | 2019 |
| AAI MG Ltd | Other services | 2026 |
| AAI Property Group Limited | Real estate | 2025 |
| AAI Property Ltd | Real estate | 2023 |
| AAI Property Solutions Ltd | Real estate | 2025 |
| AAI UK Lender LP | | 2024 |
| Aaiam Limited | Real estate | 2023 |
| Aaig Designs Ltd | Professional & scientific | 2023 |
| Aaig Holdings Ltd | Real estate | 2017 |
| Aaig Limited | Professional & scientific | 2013 |
| Aaih Ltd | Information & communication | 2026 |
| Aailmare Ltd | Professional & scientific | 2024 |
| Aaim Lagonda Purchaser Limited | Professional & scientific | 2006 |
| Aaim Turbo LLP | | 2007 |
| Aaim Wholesale Ltd | Wholesale & retail | 2026 |
| Aaimm Ltd | Professional & scientific | 2024 |
| Aaimza Ltd | Real estate | 2016 |
| Aaimza Property Services LLP | | 2026 |
| Aaip Ltd | Information & communication | 2022 |
| Aaiqio Limited | Professional & scientific | 2025 |
| Aairo Ltd | Information & communication | 2026 |
| Aais Learning Ltd | Education | 2024 |
| Aaitnova Insight Limited | Information & communication | 2026 |
| Aaiwa London HR Limited | Administrative & support | 2023 |
| Aaiza Properties Ltd | Real estate | 2023 |
| AAJ & MAX Cars Ltd | Administrative & support | 2018 |
| AAJ Consulting Services Ltd | Professional & scientific | 2024 |
| AAJ Electrical Services Ltd | Construction | 2023 |
| AAJ Express Logistics Limited | Transport & logistics | 2024 |
| AAJ Properties London Ltd | Real estate | 2023 |
| AAJ Property Limited | Real estate | 2025 |
| AAJ Sankey SET Construction Limited | Construction | 2003 |
| AAJ Supply Ltd | Administrative & support | 2024 |
| AAJ Tea House Covent Garden Limited | Hospitality | 2021 |
| AAJ Tea House Limited | Hospitality | 2021 |
| AAJ TM Ltd | Construction | 2020 |
| AAJ Traders Ltd | Wholesale & retail | 2016 |
| AAJ Ventures Holdings Limited | Wholesale & retail | 2023 |
| AAJ Ventures Limited | Other services | 2019 |
| Aaja Deptford Limited | Information & communication | 2018 |
| Aaja Events Ltd | Hospitality | 2026 |
| Aaja Limited | Real estate | 2026 |
| Aajayi Ltd | Health & social care | 2022 |
| Aajfs Limited Limited | Wholesale & retail | 2026 |
| Aajj Consultants Limited | Administrative & support | 2023 |
| Aajjis International Accounting Company Limited | Professional & scientific | 2024 |
| AAK Acquisitions Ltd | Professional & scientific | 2026 |
| AAK Build Ltd | Construction | 2022 |
| AAK Building Services Limited | Professional & scientific | 2020 |
| AAK Cars Ltd | Administrative & support | 2019 |
| AAK Composites Ltd | Manufacturing | 2018 |
| AAK Consulting Limited | Professional & scientific | 2019 |
| AAK Freehold Properties Limited | Real estate | 2025 |
| AAK Limited | Wholesale & retail | 1991 |
| AAK London Properties Limited | Real estate | 2024 |
| AAK Properties (U.K) Ltd | Real estate | 2021 |
| AAK Removals Limited | Transport & logistics | 2018 |
| AAK Services London Ltd | Financial services | 2021 |
| Aak.G.K Supplies Ltd | Energy | 2023 |
| Aaka Properties 120 Ltd | Real estate | 2024 |
| Aaka Properties 121 Ltd | Real estate | 2024 |
| Aaka Properties 123 Ltd | Real estate | 2024 |
| Aaka Properties 67 Ltd | Real estate | 2024 |
| Aakaaryam Limited | Wholesale & retail | 2021 |
| Aakansha Sharma Counselling Ltd | Public administration | 2022 |
| Aakar Consultancy Ltd | Information & communication | 2026 |
| Aakar Holdings Global Limited | Real estate | 2018 |
| Aakar Holdings Ltd | Real estate | 2016 |
| Aakaro Consulting Ltd. | Professional & scientific | 2024 |
| Aakash Services Ltd | Information & communication | 2017 |
| Aakash Training & Development Limited | Education | 2023 |
| Aakay Properties Ltd | Real estate | 2025 |
| Aakbm Management Limited | Wholesale & retail | 2022 |
| Aakda Ltd | Professional & scientific | 2026 |
| Aakhan Properties Ltd | Households | 2025 |
| Aakhri Studios Ltd | Wholesale & retail | 2025 |
| Aaki.Enterprise Ltd | Wholesale & retail | 2024 |
| Aakinyomi Ltd | Information & communication | 2017 |
| Aakmak Limited | Wholesale & retail | 2022 |
| Aakr Services Limited | Transport & logistics | 2023 |
| Aakrish Consulting Ltd | Professional & scientific | 2017 |
| Aaks Estates Ltd | Real estate | 2025 |
| Aakt Business Services Limited | Administrative & support | 2000 |
| Aakv Properties Limited | Real estate | 2020 |
| AAL (Ryelane) Limited | Information & communication | 2015 |
| AAL Clapham Ltd | Wholesale & retail | 2024 |
| AAL Cleanng Ltd | Administrative & support | 2026 |
| AAL Creative Ltd | Information & communication | 2025 |
| AAL EC Ltd | Wholesale & retail | 2019 |
| AAL Employee Ownership Trustee Limited | Extraterritorial | 2018 |
| AAL Holdings Limited | Financial services | 2026 |
| AAL Lighting Ltd | Information & communication | 2022 |
| AAL Real Estate Ltd | Real estate | 2025 |
| AAL Sports Limited | Professional & scientific | 2025 |
| AAL Venture Properties Ltd | Real estate | 2024 |
| AAL Ventures Limited | Administrative & support | 2024 |