| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| GRONTMIJ INTERNATIONAL LIMITED | 01550968 | 01/11/2010 | Dissolved |
| TRETT MANLY PROJECT SERVICES LIMITED | 04537098 | 02/08/2011 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BIL SOLUTIONS LIMITED | 02888907 | 01/09/2008 | 31/07/2010 | Dissolved |
| CAVENDISH NUCLEAR (OVERSEAS) LIMITED | 05339062 | 01/09/2008 | 31/07/2010 | Not Trading |
| NEOS NUCLEAR LIMITED | 02763400 | 01/09/2008 | 31/07/2010 | Insolvent |
| RPS CONSULTING SERVICES LIMITED | 01470149 | 13/11/2018 | 04/07/2022 | Silver |
| RPS HERITAGE HOLDINGS LIMITED | 04340862 | 13/11/2018 | 04/07/2022 | Strike Off |
| RPS HERITAGE LIMITED | 03303376 | 13/11/2018 | 04/07/2022 | Dissolved |
| RPS IRELAND LIMITED | NI020604 | 13/11/2018 | 04/07/2022 | Bronze |
| SHANKS ENVIRONMENTAL ENGINEERING LIMITED | 06409516 | 30/07/2009 | 31/07/2010 | Dissolved |
| TRETT CONTRACT SERVICES LIMITED | 01689325 | 01/06/2011 | 11/05/2012 | Bronze |
| TRETT HOLDINGS LIMITED | 04742346 | 01/11/2010 | 11/05/2012 | Silver |
| TRETT LIMITED | 01339325 | 01/11/2010 | 11/05/2012 | One Red Flag |