| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| URS GLOBAL OPPORTUNITIES (UK) LIMITED | 06333247 | 27/06/2008 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| AECOM GLOBAL HOLDINGS UK LIMITED | 06973874 | 27/07/2009 | 05/10/2009 | Silver |
| AECOM INTERCONTINENTAL HOLDINGS UK LIMITED | 07972017 | 01/03/2012 | 09/11/2015 | Silver |
| AECOM WORLDWIDE HOLDINGS UK LIMITED | 08002197 | 22/03/2012 | 09/11/2015 | Silver |
| AMENTUM (UK) LTD. | 03909808 | 27/06/2008 | 09/11/2015 | Bronze |
| AMENTUM FACILITY MANAGEMENT UK LTD. | 04444814 | 21/11/2008 | 09/11/2015 | Amber |
| AMENTUM INTERNATIONAL HOLDINGS UK LTD. | 00530311 | 27/06/2008 | 09/11/2015 | Bronze |
| WGI MIDDLE EAST (UK) LTD. | 04438911 | 27/06/2008 | 09/11/2015 | Dissolved |