| AAB Houses Ltd. | Real estate | 2022 |
| AAB Housing Limited | Professional & scientific | 2019 |
| AAB Integravolt Systems Ltd | Construction | 2025 |
| AAB Investment Holding Ltd | Real estate | 2019 |
| AAB London Ltd | Financial services | 2020 |
| AAB Residence Limited | Real estate | 2024 |
| AAB Residential Ltd | Real estate | 2024 |
| AAB Selling Solutions Ltd | Wholesale & retail | 2020 |
| AAB Software Solutions Ltd | Information & communication | 2023 |
| AAB UK Limited | Wholesale & retail | 2007 |
| Aaba Creators Services Ltd | Transport & logistics | 2020 |
| AABA6 Ltd | Health & social care | 2025 |
| Aabaca Limited | Manufacturing | 2014 |
| Aabacus Accountants & Consultants Limited | Professional & scientific | 2019 |
| Aabam Limited | Administrative & support | 2024 |
| Aaban Limited | Real estate | 2023 |
| Aabax Ltd | Construction | 2023 |
| Aabbas Ltd | Professional & scientific | 2024 |
| Aabbasi Ltd | Wholesale & retail | 2025 |
| Aabeaumont Ltd | Information & communication | 2025 |
| Aabex Healthcare Medical Personnel and Equipment Supplier Limited | Health & social care | 2023 |
| Aabgservices Limited | Construction | 2016 |
| Aabhsbss Limited | Financial services | 2023 |
| Aabmi Ltd | Information & communication | 2019 |
| Aaboux UK Limited | Manufacturing | 2022 |
| Aabrown Ltd | Wholesale & retail | 2025 |
| Aabru Limited | Wholesale & retail | 2011 |
| Aabs Limited | Construction | 2005 |
| AAC & Co Ltd | Wholesale & retail | 2013 |
| AAC (London) Ltd | Administrative & support | 1999 |
| AAC Builders Ltd | Construction | 2023 |
| AAC Building Project Ltd | Real estate | 2020 |
| AAC Business Consulting Ltd | Professional & scientific | 2023 |
| AAC Capital Nebo Employee C0-INVESTMENT Fund LP | | 2007 |
| AAC Capital UK Fund III LP | | 2011 |
| AAC Catering Limited | Hospitality | 2010 |
| AAC Data Analytics Ltd | Information & communication | 2022 |
| AAC Development Consulting Limited | Professional & scientific | 2022 |
| AAC Engineering Ltd | Professional & scientific | 2026 |
| AAC Food Ltd | Wholesale & retail | 2016 |
| AAC Global Investments Ltd | Extraterritorial | 2021 |
| AAC Law Group UK Limited | Professional & scientific | 2018 |
| AAC Security Ltd | Administrative & support | 2015 |
| AAC Tools LLP | | 2026 |
| AAC Ventures Ltd | Real estate | 2019 |
| AAC Zone Ltd | Wholesale & retail | 2025 |
| AAC2020 Ltd | Health & social care | 2019 |
| Aacardiac Limited | Health & social care | 2023 |
| Aacc Holdings Limited | Other services | 2021 |
| Aaccess Corporation Limited | Real estate | 1993 |
| Aace Care Services Limited | Health & social care | 2024 |
| Aace Investments Ltd | Real estate | 2017 |
| Aacguards Limited | Administrative & support | 2025 |
| Aachi Capital Ltd | Construction | 2024 |
| Aacirey Limited | Wholesale & retail | 2026 |
| Aacm Ltd | Administrative & support | 2023 |
| Aacni (England) Limited | Professional & scientific | 2022 |
| Aacons Ltd | Information & communication | 2015 |
| Aacrigow Limited | Construction | 2010 |
| AACTRADE3 Ltd | Wholesale & retail | 2025 |
| AAD (UK) Limited | Professional & scientific | 2013 |
| AAD Alarms Limited | Construction | 2021 |
| AAD Capital Limited | Professional & scientific | 2014 |
| AAD Consultancy Limited | Professional & scientific | 2012 |
| AAD GB 2019 Limited | Manufacturing | 2019 |
| AAD Homes Ltd | Real estate | 2024 |
| AAD Insights Limited | Professional & scientific | 2026 |
| AAD Managment Ltd | Real estate | 2025 |
| AAD Powertech Ltd | Construction | 2026 |
| AAD Restorations Ltd | Health & social care | 2022 |
| Aada Beauty Ltd | Manufacturing | 2024 |
| Aadam & Aahil Ltd | Hospitality | 2019 |
| Aadam Foods Ltd | Wholesale & retail | 2015 |
| Aadarsh Commercial Ltd | Real estate | 2024 |
| Aadarsh Realty Ltd | Real estate | 2019 |
| Aadaya Ltd | Wholesale & retail | 2025 |
| Aadder Ltd | Information & communication | 2025 |
| Aadee Ltd | Administrative & support | 2014 |
| Aadem Ltd | Wholesale & retail | 2026 |
| Aadex Ltd | Professional & scientific | 2020 |
| Aadf Investments Ltd | Real estate | 2020 |
| Aadhi Global Supply Chain Ltd | Wholesale & retail | 2026 |
| Aadhikhola Consulting Ltd | Professional & scientific | 2025 |
| Aadhil Investment Ltd | Real estate | 2025 |
| Aadi Collection Ltd | Wholesale & retail | 2026 |
| Aadiaa Ltd | Information & communication | 2025 |
| Aadil & Co Limited | Real estate | 2022 |
| Aadil Investments (Ashford) Ltd | Real estate | 2022 |
| Aadil Investments (JV) Ltd | Real estate | 2025 |
| Aadil Investments (Vicarage) Ltd | Real estate | 2023 |
| Aadil Services Limited | Information & communication | 2017 |
| Aadli Ltd | Wholesale & retail | 2024 |
| Aadlondon Limited | Arts & recreation | 2013 |
| Aadmi Ltd | Administrative & support | 2021 |
| Aadmral P Energy Ltd | Wholesale & retail | 2025 |
| Aadnane Ecom Ltd | Wholesale & retail | 2019 |
| Aado Services Limited | Construction | 2020 |
| Aadpharm Ltd | Professional & scientific | 2024 |
| Aadr (London) Ltd | Public administration | 2025 |
| Aadr Ltd | Administrative & support | 2025 |