| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Cameron A Priori Ltd | 03760518 | 02/06/1999 | Dissolved |
| Cameron Taylor Brady Ltd | 03594033 | 10/07/1998 | Dissolved |
| Cameron Taylor International Ltd | 02318722 | 26/04/1991 | Dissolved |
| Cameron Taylor Partners | 01884628 | 08/03/1991 | Dissolved |
| Cameron Taylor Tolworth Ltd | 03737351 | 14/05/1999 | Dissolved |
| Cameron Taylor Trustees Ltd | 05390217 | 14/03/2005 | Dissolved |
| Casehub Ltd | 04231948 | 14/01/2003 | Dissolved |
| Casenet Ltd | 03840496 | 01/10/1999 | Dissolved |
| Cormerant Ltd | 01736549 | 29/03/2001 | Dissolved |
| Dargavel Cameron Taylor Ltd | 02631081 | 23/09/1991 | Dissolved |
| Durley Hill Ltd | 03503687 | 30/01/1999 | Dissolved |
| Euro-Waterways Ltd | 02702401 | 22/05/1995 | Dissolved |
| Fordham:johns Partnership Ltd | 02287270 | 19/12/2000 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| AECOM CORPORATION HOLDINGS (UK) LIMITED | 03039328 | 15/03/2010 | 21/12/2015 | Bronze |
| AECOM INFRASTRUCTURE & ENVIRONMENT UK LIMITED | 00880328 | 15/03/2010 | 21/12/2015 | Gold |
| BB7 GROUP LIMITED | 11755752 | 08/04/2019 | 06/10/2020 | Bronze |
| BB7 HOLDINGS LIMITED | 11755757 | 08/04/2019 | 06/10/2020 | Silver |
| CAMERON TAYLOR CONSULTING LIMITED | 04433630 | 08/07/2002 | 31/03/2017 | Not Trading |
| CAMERON TAYLOR GROUP LIMITED | 03904241 | 29/03/2000 | 31/03/2017 | One Red Flag |
| CAMERON TAYLOR ONE LIMITED | 02700538 | 01/04/1992 | 31/03/2017 | Not Trading |
| CAMERON TAYLOR RESOURCES LIMITED | 02755193 | 02/11/1998 | 31/03/2017 | Not Trading |
| CETEC PROJECTS LIMITED | 04489836 | 25/07/2002 | 10/12/2002 | Dissolved |
| CTG (1999) LIMITED | 03585733 | 23/06/1998 | 31/03/2017 | Not Trading |
| DAMES & MOORE LIMITED | 02223084 | 12/12/2013 | 21/12/2015 | Dissolved |
| DIALES PLC | 03475146 | 17/02/2017 | 27/02/2019 | Silver |
| ENDEAVOUR MAT | 07682332 | 01/04/2017 | 31/08/2021 | Silver |
| QUBE PLANNING LIMITED | 03748976 | 15/03/2004 | 31/03/2017 | Dissolved |
| THORBURN COLQUHOUN HOLDINGS LIMITED | SC085696 | 12/12/2013 | 21/12/2015 | Not Trading |
| URS CORPORATION GROUP LIMITED | 05639381 | 11/01/2012 | 21/12/2015 | Amber |
| WOODWARD-CLYDE LIMITED | SC136353 | 12/12/2013 | 21/12/2015 | Dissolved |