| Ascot Property Holdings UK Limited | Burntwood | 2018 |
| Ascot Property Limited | Morden | 2004 |
| Ascot SAS Financial Services Limited | Ascot | 2012 |
| Ascot Sinclair Holdings Ltd | London | 2025 |
| Ascot Support Services Limited | Hitchin | 2023 |
| Ascot UK Capital Limited | Liverpool | 2025 |
| Ascot Underwriting Group Limited | London | 2016 |
| Ascot Underwriting Holdings Limited | London | 2001 |
| Ascot Underwriting Limited | London | 2000 |
| Ascot WM Star Limited | Rochester | 2025 |
| Ascott Broking Group Limited | Manchester | 2025 |
| Ascott Holdings Ltd | Bath | 2020 |
| Ascott Life and Health Limited | Manchester | 2025 |
| Ascough Management Services Limited | Plymouth | 1978 |
| Ascribe Administrative Services Ltd | Poulton-Le-Fylde | 2013 |
| Asct Holdings Ltd | Mildenhall Industrial Estate | 2024 |
| Asct Ltd | London | 2024 |
| Ascw Ltd | Stratford-Upon-Avon | 2016 |
| ASD 32 Limited | Sheffield | 2017 |
| ASD Capital Ltd | London | 2025 |
| ASD Finance Ltd | Bexley | 2013 |
| ASD GP Limited | Newbridge | 2021 |
| ASD Holdings Limited | Evesham | 2026 |
| ASD Law Limited | Sheffield | 2017 |
| ASD Mortgage and Protection Ltd | Huddersfield | 2025 |
| ASD RBS Trustee Limited | Leeds | 2021 |
| ASD Smiles Ltd | Coventry | 2022 |
| ASD Trustees Limited | Sutton-In-Ashfield | 2024 |
| ASD UK Holdings Limited | Sidcup | 2018 |
| Asda Employee Share Schemes Trustee Limited | Great Wilson Street | 1906 |
| Asda Holdco 2 Limited | Leeds | 2023 |
| Asda Holdco Limited | Leeds | 2023 |
| Asda Pension Plan Trustees Limited | Manchester | 2018 |
| Asdak Limited | Norwich | 2000 |
| Asdl Holdings Ltd | London | 2026 |
| Asdl Realty Limited | Ashford | 2019 |
| Asdp Limited | Newcastle | 2013 |
| Asdr Holdings Limited | Rainworth, Mansfield | 2021 |
| ASE 1 Investments UK Limited | London | 2021 |
| ASE Company III (2) Limited | London | 2021 |
| ASE Company III Limited | London | 2016 |
| ASE Finance III (3) Limited | London | 2021 |
| ASE II Holbeck Limited | London | 2016 |
| ASE III (2) Finance Limited | London | 2021 |
| ASE III Finance Limited | London | 2021 |
| ASE International Ltd | Cambridge | 2019 |
| ASE Kenmore UK Limited | London | 2021 |
| ASE Management MIP Nominees Limited | London | 2022 |
| Aseda Holdco Limited | Brentwood | 2026 |
| Asee Holdings Limited | Newry | 2019 |
| Aseel Trading Ltd | London | 2013 |
| Asees Capital Limited | Maidenhead | 2026 |
| Asees Consultancy Limited | Walsall | 2019 |
| Aseh Financial Services Ltd | Nottingham | 2019 |
| Aseillumination Ltd | Oxford | 2025 |
| Asena Resources Limited | London | 2024 |
| Asento Limited | London | 2023 |
| Aseptic Technology & Design Holdings Ltd | Estover | 2024 |
| Aser Estate Europe Limited | London | 2022 |
| Aser Investments Ltd. | London | 2015 |
| Aser Media Limited | London | 2015 |
| Aser Treasury Limited | London | 2021 |
| Aser Ventures Limited | London | 2024 |
| Aserco Investment Ltd | London | 2008 |
| Aserto Limited | Waltham Abbey | 2026 |
| Ases Holdings Ltd | Kingston Upon Thames | 2024 |
| ASF A2 Nominee 1 Limited | Chester Le Street | 2026 |
| ASF A2 Nominee 2 Limited | Chester Le Street | 2026 |
| ASF B Nominee Limited | Chester Le Street | 2026 |
| ASF Group Holdings Ltd | London | 2026 |
| ASF Holding Company Limited | Brackley | 2024 |
| ASF Nominees Limited | Chester Le Street | 2026 |
| ASF UK 1 Limited | London | 2024 |
| Asfa Holdings Ltd | Harrow | 2022 |
| Asfaa Holdings Ltd | Dewsbury | 2024 |
| Asfam Holdings Limited | Leicester | 2025 |
| Asfs Group Limited | Bradford | 2024 |
| ASG 26 Limited | London | 2026 |
| ASG Finance Limited | Tankersley | 2024 |
| ASG Holdco Limited | Derby | 2024 |
| ASG Holdings Limited | London | 2021 |
| ASG Investment 10 Limited | Manchester | 2020 |
| ASG Investment 11 Limited | Manchester | 2023 |
| ASG Investment 12 Limited | Manchester | 2023 |
| ASG Investment 4 Limited | Manchester | 2016 |
| ASG Investment 7 Limited | Manchester | 2018 |
| ASG Investment 9 Limited | Manchester | 2018 |
| ASG Investments 5 Limited | Manchester | 2016 |
| ASG Investments Limited | Telford | 2011 |
| ASG Mortgages Ltd | Barnstaple | 2022 |
| ASG Polymers Ltd | Dudley | 2021 |
| ASG Print Holdings Limited | London | 2014 |
| ASG Propco Limited | Leicester | 2025 |
| ASG Rooftop Assets 1 Limited | Barnsley | 2021 |
| ASG Rooftop Assets 2 Limited | Barnsley | 2021 |
| ASG Solar Maintenance Ltd | Tankersley | 2015 |
| ASG UK Investments Ltd | Uxbridge | 2024 |
| ASG2 Limited | Birmingham | 2006 |
| Asga Global Timberland and Farmland GP Limited | London | 2017 |
| Asgard Capital Partners Ltd | Eastbourne | 2015 |