| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| AMEC FOSTER WHEELER GROUP LIMITED | 04612748 | 05/11/2020 | Amber |
| HFA LIMITED | SC129298 | 05/11/2020 | Gold |
| PSN (ANGOLA) LIMITED | SC311500 | 05/11/2020 | Not Trading |
| PSN (PHILIPPINES) LIMITED | SC345547 | 05/11/2020 | Bronze |
| PSN TRINIDAD LIMITED | SC332757 | 21/02/2013 | Dissolved |
| WGPF MEANAC LIMITED | SC248355 | 30/04/2013 | Dissolved |
| WGPSN EURASIA LIMITED | SC470501 | 05/11/2020 | Bronze |
| WOOD GROUP UK LIMITED | SC296737 | 18/01/2013 | One Red Flag |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ENTERPRISE ENGINEERING SERVICES LIMITED | SC332739 | 18/01/2013 | 28/05/2017 | Dissolved |
| ENTERPRISE FABRICATION SERVICES LIMITED | SC348851 | 18/01/2013 | 28/05/2017 | Dissolved |
| PRODUCTION SERVICES NETWORK BANGLADESH LIMITED | 02214332 | 30/04/2013 | 28/05/2017 | Not Trading |
| PRODUCTION SERVICES NETWORK CORPORATE LIMITED | SC332737 | 18/01/2013 | 28/05/2017 | Dissolved |
| PSN (PHILIPPINES) LIMITED | SC345547 | 25/11/2015 | 28/05/2017 | Bronze |
| PSN OVERSEAS LIMITED | SC319469 | 30/04/2013 | 28/05/2017 | Silver |
| WGPSN (HOLDINGS) LIMITED | SC288570 | 18/01/2013 | 28/05/2017 | Bronze |
| WGPSN EURASIA LIMITED | SC470501 | 20/02/2014 | 28/05/2017 | Bronze |
| WOOD GROUP ENGINEERING (NORTH SEA) LIMITED | SC030715 | 06/11/2020 | 08/02/2023 | Gold |
| WOOD TRANSMISSION AND DISTRIBUTION LIMITED | 11829648 | 05/11/2020 | 03/01/2024 | One Red Flag |