| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| AGSD TRADING LIMITED | 02562077 | 14/02/2017 | Dissolved |
| ALTRINCHAM GRAMMAR SCHOOL DEVELOPMENTS LIMITED | 03454310 | 20/09/2016 | Silver |
| STEVE SADLER CONSULTING LTD | 08015487 | 01/10/2019 | Silver |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| A.P.S. SALADS LIMITED | 05975348 | 05/04/2016 | 30/09/2022 | Amber |
| AB RHEAD & ASSOCIATES LIMITED | 06325873 | 03/02/2012 | 01/09/2014 | Dissolved |
| ALWAY ASSOCIATES (INTERNATIONAL) LIMITED | 04026051 | 01/03/2013 | 01/09/2014 | Dissolved |
| ALWAY ASSOCIATES (LONDON) LIMITED | 03591627 | 31/03/2013 | 31/10/2014 | Dissolved |
| ALWAY ASSOCIATES LIMITED | 02512704 | 31/03/2013 | 01/09/2014 | Dissolved |
| ALWAY IT LTD | 07137386 | 31/03/2013 | 01/09/2014 | Dissolved |
| AMEC NUCLEAR M & O LIMITED | 05664844 | 09/01/2006 | 31/01/2008 | Dissolved |
| AMEC NUCLEAR OVERSEAS LIMITED | 04037762 | 01/10/2005 | 31/01/2008 | Dissolved |
| AMEC NUCLEAR PROJECTS LIMITED | 05664962 | 09/01/2006 | 31/01/2008 | Dissolved |
| AMENTUM CLEAN ENERGY INTERNATIONAL LIMITED | 03260477 | 01/10/2005 | 31/01/2008 | Silver |
| AMENTUM CLEAN ENERGY LIMITED | 01120437 | 01/01/2005 | 31/01/2008 | Bronze |
| BRUNSWICK INFRASTRUCTURE SERVICES LIMITED | 05934479 | 12/12/2012 | 01/09/2014 | Not Trading |
| C-IN-A LIMITED | 02251685 | 03/02/2012 | 01/09/2014 | Dissolved |
| CALVERT & RUSSELL LTD. | 03393157 | 20/08/2013 | 01/09/2014 | Gold |
| CONSTRUCT SAFE LTD | 07161848 | 01/01/2013 | 01/09/2014 | Dissolved |
| CONSTRUCTION STUDY CENTRE LIMITED | 02554091 | 12/12/2012 | 01/09/2014 | Bronze |
| COSTAIN INTEGRATED SERVICES LIMITED | 01890057 | 02/02/2012 | 02/02/2012 | Amber |
| ESR TECHNOLOGY LIMITED | 05462871 | 20/04/2010 | 04/03/2011 | Bronze |
| F & P CONSULTING LIMITED | 05521045 | 03/02/2012 | 01/09/2014 | Dissolved |
| FAST REACTOR TECHNOLOGY LIMITED | 01853864 | 01/10/2005 | 31/01/2008 | Not Trading |
| L.R.R. HOLDINGS LIMITED | 05859313 | 31/03/2013 | 01/09/2014 | Dissolved |
| NATIONAL NUCLEAR CORPORATION LIMITED | 02290928 | 01/01/2005 | 31/01/2008 | One Red Flag |
| Niras Analytical Ltd | 04701858 | 01/10/2005 | 31/01/2008 | Dissolved |
| PWR POWER PROJECTS LIMITED | 02281663 | 01/10/2005 | 31/01/2008 | Gold |
| RG BIDCO LIMITED | 07652992 | 03/02/2012 | 01/09/2014 | Dissolved |
| RHEAD GROUP HOLDINGS LIMITED | 07652990 | 03/02/2012 | 01/09/2014 | Dissolved |
| RHEAD HOLDINGS LIMITED | 07076869 | 03/02/2012 | 01/09/2014 | Dissolved |
| STATS-NNC LIMITED | 04339062 | 01/01/2005 | 31/01/2008 | Dissolved |
| Solutions-Nnc Ltd | 01691539 | 01/10/2005 | 31/01/2008 | Dissolved |
| TECHNICA-NNC LIMITED | SC235856 | 01/01/2005 | 31/01/2008 | Dissolved |
| WOOD FINANCE UK LIMITED | 03725076 | 29/01/2007 | 31/01/2008 | Gold |