| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| MALLINCKRODT ARD HOLDINGS LIMITED | 09090452 | 17/11/2023 | Silver |
| MALLINCKRODT CHEMICAL HOLDINGS (U.K.) LIMITED | 02678467 | 30/11/2022 | Bronze |
| MALLINCKRODT ENTERPRISES UK LIMITED | 09090223 | 17/11/2023 | Insolvent |
| MALLINCKRODT EQUINOX LIMITED | 10058183 | 17/11/2023 | Bronze |
| MALLINCKRODT MEDICAL HOLDINGS (UK) LIMITED | 02678465 | 17/11/2023 | Silver |
| MALLINCKRODT PHARMACEUTICALS LIMITED | 09780382 | 17/11/2023 | Silver |
| MALLINCKRODT UK LTD | 02030418 | 17/11/2023 | Silver |
| MKG MEDICAL UK LTD | 00604863 | 17/11/2023 | Insolvent |
| MUSHI UK HOLDINGS LIMITED | 09090448 | 17/11/2023 | Insolvent |
| SUCAMPO INTERNATIONAL HOLDINGS LIMITED | 12755407 | 17/11/2023 | Silver |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| MALLINCKRODT ARD HOLDINGS LIMITED | 09090452 | 30/11/2022 | 23/06/2023 | Silver |
| MALLINCKRODT ENTERPRISES UK LIMITED | 09090223 | 30/11/2022 | 23/06/2023 | Insolvent |
| MALLINCKRODT EQUINOX LIMITED | 10058183 | 30/11/2022 | 10/07/2023 | Bronze |
| MALLINCKRODT MEDICAL HOLDINGS (UK) LIMITED | 02678465 | 30/11/2022 | 23/06/2023 | Silver |
| MALLINCKRODT PHARMACEUTICALS LIMITED | 09780382 | 30/11/2022 | 23/06/2023 | Silver |
| MALLINCKRODT UK LTD | 02030418 | 30/11/2022 | 23/06/2023 | Silver |
| MKG MEDICAL UK LTD | 00604863 | 30/11/2022 | 23/06/2023 | Insolvent |
| MUSHI UK HOLDINGS LIMITED | 09090448 | 30/11/2022 | 23/06/2023 | Insolvent |
| SUCAMPO INTERNATIONAL HOLDINGS LIMITED | 12755407 | 30/11/2022 | 10/07/2023 | Silver |
| THERAKOS (UK), LTD | 08246321 | 30/10/2015 | 28/10/2021 | Gold |