| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Turner & Townsend Dormant No.1 Ltd | 05796995 | 09/04/2008 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BAAN LIMITED | 02249621 | 01/11/1992 | 01/07/1998 | Not Trading |
| BASDA BUSINESS SERVICES LIMITED | 03507634 | 02/10/2003 | 06/06/2008 | Dissolved |
| BUSINESS APPLICATION SOFTWARE DEVELOPERS' ASSOCIATION | 02856162 | 02/10/2003 | 17/06/2008 | Silver |
| CODA GB LTD. | 03909530 | 14/02/2003 | 31/03/2008 | Dissolved |
| CODA GROUP INTERNATIONAL LTD. | 03938996 | 14/02/2003 | 31/03/2008 | Dissolved |
| CODA LIMITED | 05861419 | 29/06/2006 | 31/03/2008 | Dissolved |
| CODA SOFTWARE LIMITED | 02207846 | 17/09/1998 | 31/03/2008 | Dissolved |
| COTRAIN IT SERVICES LIMITED | 02449676 | 02/08/2004 | 31/03/2008 | Dissolved |
| Coda 2GO Ltd | 02534602 | 02/08/2004 | 31/03/2008 | Dissolved |
| Coda International Products Ltd | 02841769 | 01/11/1995 | 01/07/1998 | Dissolved |
| Coda International Services Ltd | 03002697 | 31/01/1995 | 01/07/1998 | Dissolved |
| Coda Overseas Holdings Ltd | 02853094 | 01/11/1995 | 01/07/1998 | Dissolved |
| Coda Quest Trustee Ltd | 03834765 | 02/08/2004 | 31/03/2008 | Dissolved |
| SCISYS UK HOLDING LTD | 03426416 | 02/08/2004 | 26/09/2006 | Dissolved |
| SCISYS UK LIMITED | 04373530 | 02/08/2004 | 26/09/2006 | Dissolved |
| STANDARD METHODS PUBLICATIONS LIMITED | 01579247 | 09/04/2008 | 19/01/2009 | Not Trading |
| Science Systems (Space) Ltd | 02661216 | 02/08/2004 | 26/09/2006 | Dissolved |
| Scisys (Commerce & Industry) Ltd | 04340731 | 02/08/2004 | 26/09/2006 | Dissolved |
| Scisys (Government & Utilities) Ltd | 03851230 | 02/08/2004 | 26/09/2006 | Dissolved |
| Scisys (Space & Defence) Ltd | 02661270 | 02/08/2004 | 26/09/2006 | Dissolved |
| TURNER & TOWNSEND (USA) LIMITED | 04116501 | 09/04/2008 | 19/01/2009 | Gold |
| TURNER & TOWNSEND AFRICA LIMITED | 06340514 | 09/04/2008 | 19/01/2009 | Dissolved |
| TURNER & TOWNSEND CONSULTING LIMITED | 03154483 | 09/04/2008 | 19/01/2009 | Bronze |
| TURNER & TOWNSEND CONTRACT SERVICES LIMITED | 02525578 | 09/04/2008 | 19/01/2009 | Bronze |
| TURNER & TOWNSEND COST MANAGEMENT LIMITED | 06458527 | 09/04/2008 | 19/01/2009 | Silver |
| TURNER & TOWNSEND ENERGY LTD | 04047109 | 09/04/2008 | 19/01/2009 | Gold |
| TURNER & TOWNSEND EUROPE LIMITED | 03514794 | 09/04/2008 | 19/01/2009 | Gold |
| TURNER & TOWNSEND GROUP LIMITED | 03154484 | 09/04/2008 | 19/01/2009 | Amber |
| TURNER & TOWNSEND INTERNATIONAL LIMITED | 01470522 | 03/04/2008 | 19/01/2009 | Silver |
| TURNER & TOWNSEND LIMITED | 06468643 | 03/04/2008 | 19/01/2009 | Bronze |
| TURNER & TOWNSEND PROJECT MANAGEMENT LIMITED | 02165592 | 09/04/2008 | 19/01/2009 | Amber |
| TURNER & TOWNSEND PROPERTY SERVICES LIMITED | 05091708 | 09/04/2008 | 19/01/2009 | Not Trading |
| TURNER & TOWNSEND UK LIMITED | 03512868 | 09/04/2008 | 19/01/2009 | Silver |
| Trenkinch Ltd | 01989416 | 02/08/2004 | 26/09/2006 | Dissolved |
| UNIT4 COLLABORATION SOFTWARE LIMITED | 04408739 | 02/08/2004 | 31/03/2008 | Dissolved |