| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| GRAVITAS OFFSHORE LIMITED | 07947651 | 31/01/2020 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ACM HEALTH SOLUTIONS LIMITED | 04364773 | 25/03/2022 | 31/03/2024 | Not Trading |
| CLM ENGINEERING (OVERSEAS) LIMITED | 02992285 | 18/03/2022 | 31/03/2024 | Not Trading |
| COGAP (MIDDLE EAST) LIMITED | 06454224 | 18/03/2022 | 31/03/2024 | Amber |
| COSTAIN ALCAIDESA LIMITED | 02042076 | 18/03/2022 | 31/03/2024 | Bronze |
| COSTAIN BUILDING & CIVIL ENGINEERING LIMITED | 01054232 | 18/03/2022 | 31/03/2024 | Gold |
| COSTAIN CONSTRUCTION LIMITED | 00563270 | 18/03/2022 | 31/03/2024 | Not Trading |
| COSTAIN ENERGY SOLUTIONS LIMITED | 08114519 | 18/03/2022 | 31/03/2024 | Not Trading |
| COSTAIN ENGINEERING & CONSTRUCTION (OVERSEAS) LIMITED | 02440830 | 18/03/2022 | 31/03/2024 | Gold |
| COSTAIN INTEGRATED SERVICES LIMITED | 01890057 | 18/03/2022 | 31/03/2024 | Amber |
| COSTAIN INTEGRATED TECHNOLOGY SOLUTIONS LIMITED | 01439838 | 18/03/2022 | 31/03/2024 | Gold |
| COSTAIN INTERNATIONAL LIMITED | 00563275 | 18/03/2022 | 31/03/2024 | Amber |
| COSTAIN MANAGEMENT DESIGN LIMITED | 01599349 | 18/03/2022 | 31/03/2024 | Not Trading |
| COSTAIN OIL, GAS & PROCESS (OVERSEAS) LIMITED | 00583789 | 18/03/2022 | 31/03/2024 | Not Trading |
| COSTAIN OIL, GAS & PROCESS LIMITED | 00786418 | 18/03/2022 | 31/03/2024 | One Red Flag |
| COSTAIN PROCESS CONSTRUCTION LIMITED | 00590330 | 18/03/2022 | 31/03/2024 | Not Trading |
| COUNTY & DISTRICT PROPERTIES LIMITED | 00675355 | 18/03/2022 | 31/03/2024 | Silver |
| LYSANDER SERVICES LIMITED | 00766914 | 18/03/2022 | 31/03/2024 | Bronze |
| PROMANEX (CIVILS & INDUSTRIAL SERVICES) LIMITED | 02224393 | 18/03/2022 | 31/03/2024 | Not Trading |
| PROMANEX (CONSTRUCTION & MAINTENANCE SERVICES) LIMITED | 03548978 | 18/03/2022 | 31/03/2024 | Not Trading |
| PROMANEX (TOTAL FM & ENVIRONMENTAL SERVICES) LIMITED | 03230494 | 18/03/2022 | 31/03/2024 | Bronze |
| RENOWN INVESTMENTS (HOLDINGS) LIMITED | 00683698 | 18/03/2022 | 31/03/2024 | Gold |
| RICHARD COSTAIN LIMITED | 00274453 | 18/03/2022 | 31/03/2024 | Bronze |
| WESTMINSTER PLANT CO. LIMITED | 00552140 | 18/03/2022 | 31/03/2024 | Not Trading |