| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| AMBULATORY SURGERY INTERNATIONAL LTD | 09873002 | 16/11/2015 | Amber |
| AMSURG UK (LONDON) LIMITED | 07692489 | 04/07/2011 | Dissolved |
| AMSURG UK LIMITED | 07692353 | 04/07/2011 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ASI LONDON A HOLDINGS LIMITED | 10923723 | 18/08/2017 | 28/06/2024 | Amber |
| ASI LONDON A LIMITED | 10924226 | 21/08/2017 | 12/12/2018 | Gold |
| ASI LONDON B HOLDINGS LIMITED | 11666164 | 07/11/2018 | 05/02/2024 | Not Trading |
| ASI LONDON B LIMITED | 11669071 | 09/11/2018 | 04/09/2019 | One Red Flag |
| ASI LONDON C HOLDINGS LIMITED | 11666222 | 07/11/2018 | 05/02/2024 | Amber |
| ASI LONDON C LIMITED | 11669229 | 09/11/2018 | 29/04/2019 | Gold |
| ASI LONDON D HOLDINGS LIMITED | 11666226 | 07/11/2018 | 28/06/2024 | Amber |
| ASI LONDON D LIMITED | 11669227 | 09/11/2018 | 05/09/2019 | Bronze |
| ASI LONDON E HOLDINGS LIMITED | 11717373 | 07/12/2018 | 28/06/2024 | Amber |
| ASI LONDON E LIMITED | 11722195 | 11/12/2018 | 11/07/2019 | Silver |
| ASI LONDON F HOLDINGS LIMITED | 11750027 | 04/01/2019 | 28/06/2024 | Amber |
| ASI LONDON F LIMITED | 11755788 | 08/01/2019 | 07/08/2020 | Amber |
| ASI LONDON G HOLDINGS LIMITED | 12043718 | 11/06/2019 | 28/06/2024 | Not Trading |
| ASI LONDON G LIMITED | 12049373 | 13/06/2019 | 07/08/2020 | Bronze |
| ASI LONDON H HOLDINGS LIMITED | 12044611 | 11/06/2019 | 28/06/2024 | Not Trading |
| ASI LONDON H LIMITED | 12050524 | 14/06/2019 | 06/12/2021 | Bronze |
| ASI LONDON I HOLDINGS LIMITED | 12213057 | 18/09/2019 | 01/11/2024 | Amber |
| ASI LONDON J HOLDINGS LIMITED | 12630646 | 28/05/2020 | 28/06/2024 | Not Trading |
| ASI WELBECK HOLDINGS LIMITED | 10923677 | 18/08/2017 | 15/07/2024 | Silver |