| AA Property Advisors Limited | Real estate | 2022 |
| AA Property Connect Ltd | Real estate | 2025 |
| AA Property Consultancy Ltd | Professional & scientific | 2021 |
| AA Property Group Global Ltd | Construction | 2025 |
| AA Property Management Limited | Households | 2003 |
| AA Property Manager Ltd | Real estate | 2025 |
| AA Property Partners Group Ltd | Real estate | 2026 |
| AA Psychiatry Ltd | Health & social care | 2014 |
| AA Real Estate & Management Limited | Real estate | 2022 |
| AA Real Estate Services Ltd | Real estate | 2025 |
| AA Real Management Ltd | Wholesale & retail | 2025 |
| AA Realtor Ltd | Real estate | 2024 |
| AA Recovery London Ltd | Wholesale & retail | 2024 |
| AA Recruitment Agency Limited | Administrative & support | 2014 |
| AA Recruitment Consultants Limited | Administrative & support | 2021 |
| AA Recruitment Ltd | Administrative & support | 2019 |
| AA Regency Ltd | Professional & scientific | 2026 |
| AA Renovation West Ltd | Extraterritorial | 2025 |
| AA Retail Shops Ltd | Wholesale & retail | 2016 |
| AA Rising Ltd | Health & social care | 2019 |
| AA Roofing Contractors Limited | Construction | 2018 |
| AA Royale Solutions Ltd | Hospitality | 2026 |
| AA Ruby E17 Limited | Real estate | 2022 |
| AA Sales Bradford Ltd | Wholesale & retail | 2025 |
| AA Sanusi Limited | Financial services | 2017 |
| AA Sedations Ltd | Health & social care | 2022 |
| AA Seven Limited | Professional & scientific | 1933 |
| AA Sevynn Properties Ltd | Real estate | 2021 |
| AA Sheet Metal Work Ltd | Extraterritorial | 2017 |
| AA Sigma Ltd | Construction | 2025 |
| AA Site Engineering Ltd | Construction | 2025 |
| AA Smart Seller Solutions Ltd | Wholesale & retail | 2024 |
| AA Socialmedia LLP | | 2024 |
| AA Solve Ltd | Professional & scientific | 2023 |
| AA Somm Limited | Wholesale & retail | 2021 |
| AA Souvenir Limited | Wholesale & retail | 2016 |
| AA Sparky Ltd | Construction | 2025 |
| AA Spedition Limited | Transport & logistics | 2025 |
| AA Sports Ltd | Arts & recreation | 2025 |
| AA Star Advisory Limited | Professional & scientific | 2025 |
| AA Star Properties Ltd | Real estate | 2026 |
| AA Star Service Limited | Transport & logistics | 2025 |
| AA Sterling Accountants Ltd | Professional & scientific | 2024 |
| AA Stores Ltd | Wholesale & retail | 2025 |
| AA Strategic Advice Limited | Administrative & support | 2014 |
| AA Structural Engineers Ltd | Professional & scientific | 2021 |
| AA Studio Ltd | Professional & scientific | 2020 |
| AA Subco Limited | Construction | 2023 |
| AA Supporting Care Ltd | Administrative & support | 2021 |
| AA Tadworth Ltd | Wholesale & retail | 2022 |
| AA Tax & Accounting Ltd | Professional & scientific | 2025 |
| AA Tax Studio Ltd | Professional & scientific | 2025 |
| AA Taxi Hire Limited | Transport & logistics | 2019 |
| AA Thornton IP LLP | | 2020 |
| AA Top Solution Ltd | Wholesale & retail | 2025 |
| AA Tota Steel Fixers Ltd | Construction | 2021 |
| AA Tours & Logistic Limited | Information & communication | 2020 |
| AA Transport Limited | Transport & logistics | 2024 |
| AA Twin Pillars Ltd | Wholesale & retail | 2023 |
| AA Twins Ltd | Financial services | 2025 |
| AA Tyre Services Ltd | Wholesale & retail | 2024 |
| AA UK Developments Ltd | Real estate | 2025 |
| AA UK Electricals Ltd | Manufacturing | 2025 |
| AA UK Investments Ltd | Real estate | 2024 |
| AA UK Solutions Ltd | Wholesale & retail | 2024 |
| AA UK Traders Ltd | Other services | 2022 |
| AA Urban Planning Ltd | Professional & scientific | 2024 |
| AA Urban Rise CIC | Education | 2022 |
| AA Vasile Ltd | Hospitality | 2023 |
| AA Venture Holdings Limited | Real estate | 2021 |
| AA Venture Limited | Administrative & support | 2017 |
| AA Victoria Ltd | Real estate | 2026 |
| AA Visa Services Ltd | Administrative & support | 2026 |
| AA Wash Ltd | Administrative & support | 2026 |
| AA Waste Logistics Ltd | Wholesale & retail | 2023 |
| AA Waste Management Limited | Water & waste | 2026 |
| AA Waste Mgmt Limited | Water & waste | 2026 |
| AA Webson LLP | | 2020 |
| AA Whips Ltd | Wholesale & retail | 2026 |
| AA Wholesale Ltd | Wholesale & retail | 2026 |
| Aa&Aa Ltd | Transport & logistics | 2020 |
| Aa&Bb Building LLP | | 2023 |
| Aa&Co Ltd | Professional & scientific | 2025 |
| Aa&D Construction Limited | Construction | 2026 |
| Aa&Enterprises Limited | Hospitality | 2025 |
| Aa&H Properties Ltd | Real estate | 2025 |
| Aa&I Trading Limited | Wholesale & retail | 2020 |
| Aa&J Holdings Ltd | Real estate | 2026 |
| Aa&Pj Estates Ltd | Real estate | 2026 |
| Aa&S Bargains UK Ltd | Wholesale & retail | 2022 |
| Aa&W Global Advisors Ltd | Professional & scientific | 2025 |
| Aa'Ilah Properties Ltd | Real estate | 2022 |
| Aa's Consulting Limited | Information & communication | 2012 |
| AA-K9 Ltd | Administrative & support | 2026 |
| Aa.Acme Carpet Ltd | Manufacturing | 2025 |
| Aa.Acme Joinery Ltd | Manufacturing | 2025 |
| Aa.Acme Property Ltd | Construction | 2025 |
| Aa.Vv. Ltd | Information & communication | 2016 |
| AA1 Group Ltd | Households | 2015 |
| AA1 Law Limited | Administrative & support | 2019 |