| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ASCO (DC2) LIMITED | 05898050 | 03/07/2023 | Dissolved |
| ASCO (DC3) LIMITED | 05916071 | 03/07/2023 | Dissolved |
| ASCO (DC4) LIMITED | 05898058 | 03/07/2023 | One Red Flag |
| ASCO ACQUISITIONS LIMITED | 07841296 | 09/08/2023 | One Red Flag |
| ASCO DECOMMISSIONING LIMITED | SC180242 | 03/07/2023 | Amber |
| ASCO FREIGHT MANAGEMENT LIMITED | SC202171 | 03/07/2023 | Amber |
| ASCO GROUP LIMITED | 07853258 | 09/08/2023 | Bronze |
| ASCO HOLDINGS LIMITED | SC300658 | 03/07/2023 | One Red Flag |
| ASCO JV HOLDINGS LIMITED | SC346041 | 03/07/2023 | One Red Flag |
| ASCO MARINE LIMITED | SC316087 | 03/07/2023 | Amber |
| ASCO PROPERTIES LIMITED | SC300657 | 03/07/2023 | Bronze |
| ASCO UK LIMITED | SC029934 | 03/07/2023 | Gold |
| ASCO VENTURES LIMITED | SC549855 | 03/07/2023 | Amber |
| ENVIROCO LIMITED | 11226610 | 30/06/2023 | Not Trading |
| NORM SOLUTIONS LIMITED | SC191748 | 09/08/2023 | One Red Flag |
| NORTH SEA LIFTING LIMITED | SC117356 | 03/07/2023 | Amber |
| OBM LIMITED | SC391970 | 03/07/2023 | Amber |
| PROJECT ADVANCE BIDCO LIMITED | 14897925 | 11/08/2023 | Bronze |
| PROJECT ADVANCE TOPCO LIMITED | 14897765 | 11/08/2023 | Bronze |
| SELETAR SHIPPING LIMITED | SC348161 | 03/07/2023 | Amber |
| ZANDER MIDCO LIMITED | 13049310 | 09/08/2023 | Dissolved |
| ZANDER TOPCO LIMITED | 13049173 | 11/08/2023 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|