| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| MALLFORD CONSULTING LIMITED | 06703715 | 22/09/2008 | Dissolved |
| MALLFORD SERVICES LTD | 09169770 | 11/08/2014 | Dissolved |
| STAPLETON HOLDINGS LIMITED | 04730948 | 12/02/2009 | Dissolved |
| STAPLETON INTERNATIONAL LIMITED | 02933398 | 10/11/2008 | Dissolved |
| TEES ENGINEERING ALLIANCE | 06566919 | 24/06/2008 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ATKINSRÉALIS PPS LIMITED | 02236832 | 17/11/1994 | 31/10/2005 | Gold |
| HANSCOMB (RUSSIA) LIMITED | 03971914 | 11/11/2003 | 31/10/2005 | Dissolved |
| HANSCOMB (UK) LIMITED | 03890509 | 16/06/2003 | 31/10/2005 | Dissolved |
| HANSCOMB EUROPE LIMITED | 03896620 | 16/06/2003 | 31/10/2005 | Dissolved |
| KOBAID LIMITED | 06494207 | 12/02/2009 | 22/12/2009 | Dissolved |
| LONDON GROUP PROJECTS LIMITED | 03920092 | 11/11/2003 | 31/10/2005 | Dissolved |
| STANHOPE PROJECT SERVICES LIMITED | 06496788 | 10/11/2008 | 31/12/2010 | Dissolved |