| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| GMET NUCLEAR LIMITED | 07174652 | 16/10/2018 | Bronze |
| KHANDALLAH SOLUTIONS LIMITED | 08254086 | 16/10/2012 | Dissolved |
| WILLIAM ROBERTS SERVICES LIMITED | 10072743 | 18/03/2016 | Silver |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| 04272657 LIMITED | 04272657 | 28/01/2011 | 28/07/2013 | Dissolved |
| COMBINED NUCLEAR PENSION PLAN TRUSTEES LIMITED | 05872585 | 11/07/2006 | 31/03/2010 | One Red Flag |
| DIRECT RAIL SERVICES LIMITED | 03020822 | 01/04/2005 | 19/02/2010 | Bronze |
| GPS PENSION SCHEME TRUSTEE COMPANY LIMITED | 06501678 | 06/03/2008 | 31/03/2010 | Not Trading |
| INTERNATIONAL NUCLEAR SERVICES LIMITED | 01144352 | 01/04/2008 | 15/05/2008 | Silver |
| SOLWAY ENERGY GATEWAY LIMITED | 06926895 | 20/08/2010 | 01/09/2011 | Not Trading |
| SOLWAY ENERGY LIMITED | 08561211 | 07/06/2013 | 28/03/2022 | Dissolved |
| ST BEES SCHOOL | 06595861 | 01/08/2009 | 07/03/2014 | One Red Flag |
| TSP REALISATIONS LIMITED | 12373971 | 14/03/2022 | 30/08/2024 | Insolvent |
| WORKINGTON ENGINEERING LIMITED | 12319119 | 16/09/2024 | 17/09/2024 | Not Trading |