| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| AECOM PENSION TRUSTEE LIMITED | 09918247 | 01/02/2017 | Not Trading |
| DCL CONSULTING ENGINEERS LIMITED | 04682334 | 17/03/2011 | Dissolved |
| FM MODERN DESIGN LIMITED | 04121048 | 31/12/2008 | Dissolved |
| GROUND SOLUTIONS GROUP LTD | 02036076 | 02/01/2008 | Dissolved |
| HYDROGEOLOGICAL SERVICES INTERNATIONAL LIMITED | 02495374 | 02/01/2008 | Dissolved |
| INFRASTRUCTURE DESIGN GROUP LIMITED | 03033260 | 02/01/2008 | Dissolved |
| KNIGHT PIESOLD LTD | 02778092 | 02/01/2008 | Dissolved |
| MASCOTT LIMITED | 01814878 | 02/01/2008 | Dissolved |
| OCEANS ENGINEERING LIMITED | 03039133 | 02/01/2008 | Dissolved |
| SCOTT NEALE & PARTNERS LIMITED | 02468007 | 02/01/2008 | Dissolved |
| SCOTT WILSON MAINLINE LTD. | 02952556 | 02/01/2008 | Dissolved |
| SCOTT WILSON ONE LTD | 06851156 | 18/03/2009 | Dissolved |
| SCOTT WILSON PAVEMENT ENGINEERING LTD | 01910469 | 15/04/2008 | Dissolved |
| SW2 HIGHWAYS LTD | 02761504 | 01/10/2008 | Dissolved |
| SWK LIMITED | 02467863 | 02/01/2008 | Dissolved |
| Scott Wilson C D M Ltd | 02822433 | 28/05/1993 | Dissolved |
| Uniscott Surveys Limited | 02395297 | 15/06/1992 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| AECOM CORPORATION HOLDINGS (UK) LIMITED | 03039328 | 01/10/1998 | 30/03/2011 | Bronze |
| AECOM CORPORATION HOLDINGS (UK) LIMITED | 03039328 | 27/03/2008 | 03/05/2008 | Bronze |
| AECOM INFRASTRUCTURE & ENVIRONMENT UK LIMITED | 00880328 | 03/11/1997 | 30/03/2011 | Gold |
| Ascot Cheese Centre Ltd | 02975420 | 06/10/1994 | 18/10/1994 | Dissolved |
| BASING VIEW INVESTMENTS LTD | 03022390 | 01/07/1999 | 21/05/2004 | Insolvent |
| BASING VIEW INVESTMENTS LTD | 03022390 | 30/04/2004 | 10/06/2011 | Insolvent |
| BENAIM (UK) LTD | 01679637 | 24/11/2010 | 30/03/2011 | Dissolved |
| Chad Draughting Ltd | 03198461 | 14/05/1996 | 10/06/1997 | Dissolved |
| DGP INTERNATIONAL LTD | 03686895 | 06/12/2006 | 30/03/2011 | Dissolved |
| E Bell Electrical Design Services Ltd | 03264291 | 16/10/1996 | 01/10/1997 | Dissolved |
| FERGUSON & MCILVEEN HOLDINGS LIMITED | NI037752 | 31/12/2008 | 31/12/2012 | Dissolved |
| GROUND SOLUTIONS GROUP LTD | 02036076 | 09/01/2003 | 02/01/2008 | Dissolved |
| INFRATA LIMITED | 07616088 | 27/06/2011 | 23/12/2016 | Gold |
| KLG SERVICES LIMITED | 02753800 | 07/10/1992 | 03/12/2021 | Amber |
| KNIGHT PIESOLD LTD | 02778092 | 08/05/1998 | 02/01/2008 | Dissolved |
| MASCOTT LIMITED | 01814878 | 06/11/1992 | 02/01/2008 | Dissolved |
| REDSIERRA CONSULTING LTD | 05977226 | 25/10/2006 | 02/11/2006 | Dissolved |
| SCOTT NEALE & PARTNERS LIMITED | 02468007 | 31/07/1997 | 02/01/2008 | Dissolved |
| SCOTT WILSON (REDTREE) LTD | 01135304 | 03/11/1997 | 30/03/2011 | Dissolved |
| SCOTT WILSON MAINLINE LTD. | 02952556 | 10/04/1997 | 02/01/2008 | Dissolved |
| SCOTT WILSON PAVEMENT ENGINEERING LTD | 01910469 | 28/11/1992 | 15/04/2008 | Dissolved |
| SCOTT WILSON PIESOLD LTD | 02894693 | 25/11/2002 | 02/01/2008 | Dissolved |
| SCOTT WILSON PIESOLD LTD | 02894693 | 02/01/2008 | 11/02/2013 | Dissolved |
| SCOTT WILSON RAILWAYS (SCOTLAND) LIMITED | SC164577 | 02/01/2008 | 10/06/2011 | Dissolved |
| SCOTT WILSON RAILWAYS LTD | 03033277 | 10/04/1997 | 20/04/2004 | Not Trading |
| STRATEGIC LEISURE (CHESHIRE) LIMITED | 03523670 | 30/09/2010 | 11/05/2011 | Dissolved |
| SW2 HIGHWAYS LTD | 02761504 | 08/05/1998 | 02/01/2008 | Dissolved |
| SW2 HIGHWAYS LTD | 02761504 | 02/01/2008 | 14/05/2008 | Dissolved |
| SWK LIMITED | 02467863 | 03/11/1997 | 02/01/2008 | Dissolved |
| URS CORPORATION GROUP LIMITED | 05639381 | 29/11/2005 | 10/06/2011 | One Red Flag |