| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ICMD LIMITED | 08371432 | 23/01/2013 | Dissolved |
| Steri-Chem Ltd | 02922233 | 03/02/1997 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| Adept Solutions (Uk) Ltd | 04056157 | 23/04/2002 | 31/08/2003 | Dissolved |
| FLOWCRETE GROUP LIMITED | 03241647 | 23/08/1996 | 30/06/1999 | Amber |
| FLOWCRETE INTERNATIONAL LTD | 02260046 | 15/04/1996 | 01/11/1998 | Silver |
| FLOWCRETE UK LTD | 01676522 | 15/04/1996 | 01/05/1999 | Silver |
| Flowcrete Project Management Ltd | 03525555 | 18/06/1998 | 30/06/1999 | Dissolved |
| Flowcrete Project Management Ltd | 03525555 | 18/06/1998 | 01/11/1998 | Dissolved |
| HCL INSURANCE BPO SERVICES LIMITED | 05301492 | 31/08/2007 | 30/10/2009 | Gold |
| Hyflek Ltd | 03090441 | 01/09/1996 | 30/06/1999 | Dissolved |
| ISOCRETE PROJECT MANAGEMENT LIMITED | 00946371 | 15/04/1996 | 30/06/1999 | Dissolved |
| Mission Studios Ltd | 03661747 | 05/12/2002 | 29/05/2003 | Dissolved |
| Security Assurance Services Ltd | 01927952 | 16/06/1995 | 01/02/1996 | Dissolved |
| Security Insurance Ltd | 01951578 | 16/06/1995 | 01/02/1996 | Dissolved |
| THE COLLEGIATE TRUST | 08058921 | 20/12/2015 | 31/08/2024 | Silver |
| Undershaft (No. 15) Ltd | 02883739 | 16/06/1995 | 20/07/1995 | Dissolved |
| Undershaft (No. 6) Ltd | 01927951 | 16/06/1995 | 01/02/1996 | Dissolved |
| Undershaft Insurance Services Ltd | 01951577 | 16/06/1995 | 01/02/1996 | Dissolved |