| A.S. Unique Home Ltd | Construction | 2026 |
| A.S.A Realty Ltd | Real estate | 2021 |
| A.S.A. (UK) Limited | Professional & scientific | 1991 |
| A.S.A.P Accounting Solution Limited | Professional & scientific | 2020 |
| A.S.A.P Financial Services Limited | Financial services | 2005 |
| A.S.A.P. Housing C.I.C. | Real estate | 2022 |
| A.S.A.P. Tyres & Exhausts Limited | Wholesale & retail | 1992 |
| A.S.B. Nominees Limited | Professional & scientific | 1970 |
| A.S.B. Property Management Limited | Real estate | 1993 |
| A.S.Bines,Limited | Administrative & support | 1921 |
| A.S.D Capital Holdings Ltd | Real estate | 2026 |
| A.S.D.E.B. Ltd | Wholesale & retail | 2023 |
| A.S.E. Insurance Agency (UK) Limited | Financial services | 1996 |
| A.S.H Globals Ltd | Wholesale & retail | 2026 |
| A.S.H. & S. Vickers Limited | Professional & scientific | 2014 |
| A.S.H.S. Limited | Manufacturing | 1996 |
| A.S.H.S. USA Limited | Wholesale & retail | 2001 |
| A.S.I. Arcana Servitium Imperii Ltd | Administrative & support | 2013 |
| A.S.I.S Developers Limited | Real estate | 2019 |
| A.S.K Global Ventures (UK) Limited | Real estate | 2024 |
| A.S.K Tattoo & Piercing Ltd | Other services | 2018 |
| A.S.K. (RAD) Lendco Limited | Financial services | 2026 |
| A.S.K. Genva Holdco Limited | Real estate | 2018 |
| A.S.K. Genva Limited | Real estate | 2018 |
| A.S.K. Genva Nominee Limited | Real estate | 2018 |
| A.S.K. Home Improvements Limited | Construction | 2003 |
| A.S.K. Leumi Finco Limited | Financial services | 2025 |
| A.S.K. Partners Agent Limited | Financial services | 2018 |
| A.S.K. Partners FS Limited | Financial services | 2025 |
| A.S.K. Partners Lendco a Limited | Financial services | 2024 |
| A.S.K. Partners Lendco B Limited | Financial services | 2024 |
| A.S.K. Partners Lendco C Limited | Financial services | 2024 |
| A.S.K. Partners Lendco D Limited | Financial services | 2024 |
| A.S.K. Partners Lendco E Limited | Financial services | 2024 |
| A.S.K. Partners Lendco F Limited | Financial services | 2024 |
| A.S.K. Partners Lendco G Limited | Financial services | 2024 |
| A.S.K. Partners Lendco H Limited | Financial services | 2025 |
| A.S.K. Partners Lendco I Limited | Financial services | 2025 |
| A.S.K. Partners Lendco J Limited | Financial services | 2025 |
| A.S.K. Partners Lendco K Limited | Financial services | 2025 |
| A.S.K. Partners Lendco Limited | Financial services | 2020 |
| A.S.K. Partners Lendco X Limited | Financial services | 2025 |
| A.S.K. Partners Lendco Z Limited | Financial services | 2025 |
| A.S.K. Partners Limited | Information & communication | 2016 |
| A.S.K. Partners Rcfco Limited | Financial services | 2022 |
| A.S.K. Partners SPC Limited | Financial services | 2023 |
| A.S.Lee (Glazing) Company Limited | Construction | 2002 |
| A.S.M Locksmiths & Facilities Services Limited | Administrative & support | 2003 |
| A.S.M. Engineering Limited | Construction | 1980 |
| A.S.M. Engineering Trustees Limited | Professional & scientific | 2024 |
| A.S.M. Property Developments (UK) Ltd | Real estate | 2002 |
| A.S.N Driving Limited | Manufacturing | 2014 |
| A.S.O. Business Solutions Ltd | Information & communication | 2016 |
| A.S.O. U.K. Limited | Arts & recreation | 1999 |
| A.S.P Taste Ltd | Hospitality | 2024 |
| A.S.P. Advisory Limited | Professional & scientific | 2015 |
| A.S.P. South East Ltd | Administrative & support | 2025 |
| A.S.S Investments Ltd | Real estate | 2024 |
| A.S.S.J Business Ltd | Wholesale & retail | 2025 |
| A.S.T Property Investments Ltd | Real estate | 2017 |
| A.S.T.Properties Limited | Administrative & support | 1964 |
| A.Sav Construction Limited | Construction | 2025 |
| A.Shan Enterprise Ltd | Hospitality | 2020 |
| A.Sharkey Roofing and Roughcasting Ltd | Construction | 2022 |
| A.Starlife Ltd | Health & social care | 2020 |
| A.T & S Services Ltd | Education | 2019 |
| A.T Healthcare(Uk) Ltd | Manufacturing | 2016 |
| A.T Maintenance Services Ltd | Construction | 2024 |
| A.T Shehab Ltd | Manufacturing | 2025 |
| A.T Sports Limited | Wholesale & retail | 2013 |
| A.T. Brown (Coaches) Limited | Transport & logistics | 1961 |
| A.T. Cronin Workshop Limited | Manufacturing | 2017 |
| A.T. Festival Foods Holdings Limited | Real estate | 2013 |
| A.T. Forge Ltd | Wholesale & retail | 2026 |
| A.T. Genie Health Ltd | Health & social care | 2024 |
| A.T. Kearney Holdings Limited | Financial services | 2005 |
| A.T. Maycock & Sons Limited | Wholesale & retail | 1975 |
| A.T. REY Solutions Limited | Administrative & support | 2024 |
| A.T. Smith Developments Limited | Construction | 2003 |
| A.T. Watkinson 2024 Ltd | Financial services | 2024 |
| A.T.A Accounts & Management Limited | Professional & scientific | 2020 |
| A.T.A.N Industries Ltd | Information & communication | 2026 |
| A.T.C. Trading Limited | Manufacturing | 1969 |
| A.T.H Consulting Limited | Professional & scientific | 2011 |
| A.T.H. Alden Limited | Other services | 1975 |
| A.T.I. Furnitures Ltd | Wholesale & retail | 2022 |
| A.T.Kearney Limited | Professional & scientific | 1968 |
| A.T.L. Investments Limited | Financial services | 1959 |
| A.T.M Elec Ltd | Energy | 2026 |
| A.T.N. Property Ltd | Professional & scientific | 2003 |
| A.T.P. Developments and Investments Limited | Construction | 2022 |
| A.T.T.Electrical.Services Ltd | Construction | 2025 |
| A.T.Watkinson Limited | Wholesale & retail | 1962 |
| A.Tzanakakis (the Mitos) Ltd | Wholesale & retail | 2017 |
| A.U Capital Limited | Financial services | 2026 |
| A.U. Group Brokers Limited | Financial services | 2014 |
| A.U. Mert Ltd | Wholesale & retail | 2011 |
| A.U.E Trading Co Ltd | Wholesale & retail | 2019 |
| A.V GAS Core Ltd | Construction | 2019 |
| A.V Kakkar Wholesale Limited | Wholesale & retail | 2023 |