| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Otus Associates Ltd | 05529132 | 05/08/2005 | Dissolved |
| V S Management Ltd | 06655044 | 24/07/2008 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ALMEIDA THEATRE COMPANY LIMITED | 01546033 | 12/12/2001 | 11/06/2008 | Silver |
| ASSOCIATED INTERNATIONAL CEMENT LIMITED | 00470173 | 15/07/1999 | 12/07/2001 | Gold |
| British-American Arts Association Ltd | 01533773 | 21/01/1993 | 06/07/2006 | Dissolved |
| CENTRICA PLC | 03033654 | 14/10/2013 | 20/02/2019 | Silver |
| CLOUDGROVE LIMITED | 06655007 | 23/07/2008 | 22/12/2023 | Silver |
| CONSTRUCTION PRODUCTS ASSOCIATION | 03861752 | 19/10/1999 | 20/07/2001 | Gold |
| Caber Oil Ltd | SC049154 | 18/12/1995 | 30/09/1997 | Dissolved |
| ENVIROC LIMITED | 06087734 | 20/02/2007 | 17/08/2007 | Dissolved |
| IMPERIAL CHEMICAL INDUSTRIES LIMITED | 00218019 | 20/02/2001 | 02/01/2008 | Bronze |
| INVENSYS LIMITED | 00166023 | 25/07/2001 | 21/07/2005 | Gold |
| LAND SECURITIES GROUP PLC | 04369054 | 01/04/2008 | 05/02/2009 | Silver |
| MAGHREB OFFSHORE LIMITED | 01057332 | 18/12/1995 | 30/09/1997 | Dissolved |
| Macmillan Natural Resources Ltd | 01010995 | 18/12/1995 | 30/09/1997 | Dissolved |
| NETWORK RAIL INFRASTRUCTURE LIMITED | 02904587 | 23/03/2009 | 19/07/2012 | Bronze |
| NETWORK RAIL LIMITED | 04402220 | 23/03/2009 | 19/07/2012 | Bronze |
| National Council of Building Material Producers | 01438817 | 21/04/1998 | 24/05/2000 | Dissolved |
| PREMCO PETROLEUM (OIL AND GAS) LIMITED | 00868620 | 18/12/1995 | 30/09/1997 | Dissolved |
| PREMIER ENERGY ENTERPRISES LIMITED | 01164959 | 18/12/1995 | 30/09/1997 | Dissolved |
| PREMIER OIL (NW NATUNA) LIMITED | 00963192 | 18/12/1995 | 30/09/1997 | Dissolved |
| PREMIER OIL ABERDEEN SERVICES LIMITED | 01164961 | 18/12/1995 | 30/09/1997 | Bronze |
| PREMIER OIL EXPLORATION LIMITED | SC021265 | 18/12/1995 | 30/09/1997 | Amber |
| PREMIER OIL FAR EAST LIMITED | 01135444 | 18/12/1995 | 30/09/1997 | Gold |
| PREMIER OIL GROUP LIMITED | SC017829 | 18/01/1996 | 30/09/1997 | Gold |
| PREMIER OIL SOUTH ANDAMAN LIMITED | 01474678 | 18/12/1995 | 30/09/1997 | Amber |
| PREMIER OIL UK LIMITED | SC048705 | 18/12/1995 | 30/09/1997 | Silver |
| Parambe Oil & Gas Operations Ltd | 01121594 | 18/12/1995 | 30/09/1997 | Dissolved |
| Premier Oil Dorset Ltd | 01165601 | 18/12/1995 | 30/09/1997 | Dissolved |
| QIO TECHNOLOGIES LTD | 09368431 | 30/01/2015 | 21/12/2023 | Amber |
| Rocky Mountains Oil & Gas Ltd | 01505884 | 18/12/1995 | 30/09/1997 | Dissolved |
| SCMG ENTERPRISES LIMITED | 02196149 | 23/11/2002 | 04/02/2004 | Bronze |
| SOUTHBANK CENTRE LIMITED | 02238415 | 31/01/2008 | 14/01/2016 | Amber |
| TARMAC CEMENT LIMITED | 00066558 | 01/10/1997 | 12/07/2001 | Silver |
| VESUVIUS HOLDINGS LIMITED | 00251977 | 01/11/1999 | 24/04/2003 | Silver |
| Whitecliff Properties Ltd | 03249898 | 15/07/1999 | 12/04/2001 | Dissolved |