| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| CASTLE EQUITY LIMITED | 06222778 | 20/01/2023 | Gold |
| CASTLE MEZZANINE LIMITED | 06222738 | 20/01/2023 | Gold |
| DUNLOP AIRCRAFT TYRES LIMITED | 03226333 | 20/01/2023 | Gold |
| TURRET BOND LIMITED | 06222759 | 20/01/2023 | Silver |
| TYRE BIDCO LIMITED | 10551760 | 20/01/2023 | Amber |
| TYRE HOLDCO LIMITED | 10551710 | 20/01/2023 | Gold |
| TYRE HOLDINGS LIMITED | 10551538 | 20/01/2023 | Amber |
| TYRE INTERCO LIMITED | 10551676 | 20/01/2023 | Gold |
| TYRE MIDCO LIMITED | 10551741 | 20/01/2023 | Gold |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| AWC INDUSTRIES LIMITED | 04753559 | 01/01/2021 | 14/03/2022 | One Red Flag |
| SERTEC ALUMINIUM STRUCTURES LIMITED | 07735979 | 01/01/2021 | 14/03/2022 | Silver |
| SERTEC AUTO STRUCTURES (UK) LIMITED | 00719490 | 01/01/2021 | 14/03/2022 | Bronze |
| SERTEC CORPORATION LIMITED | 09989098 | 01/01/2021 | 14/03/2022 | Amber |
| SERTEC GROUP HOLDINGS LIMITED | 02957238 | 01/01/2021 | 14/03/2022 | Amber |
| SERTEC GROUP LIMITED | 08259929 | 01/01/2021 | 14/03/2022 | One Red Flag |
| SERTEC HOLDCO LIMITED | 12024861 | 01/01/2021 | 14/03/2022 | Amber |
| SERTEC LIGHT STAMPINGS LIMITED | 02944354 | 01/01/2021 | 14/03/2022 | Amber |
| SERTEC PRECISION COMPONENTS LIMITED | 00925099 | 01/01/2021 | 14/03/2022 | Gold |
| SERTEC SPRINGS & WIREFORMS LIMITED | 05107360 | 01/01/2021 | 14/03/2022 | Bronze |