| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ACM ODYSSEY I LIMITED | 07315115 | 07/10/2016 | Silver |
| ACM ODYSSEY II LIMITED | 07315114 | 07/10/2016 | Silver |
| AECOM CSD LIMITED | 07902679 | 14/09/2020 | Insolvent |
| AECOM DESIGN BUILD LIMITED | 02699219 | 30/10/2020 | Silver |
| AECOM EUROPE HOLDINGS LIMITED | 06765188 | 08/03/2019 | One Red Flag |
| AECOM GHC1 LIMITED | 09924871 | 03/08/2017 | Silver |
| AECOM GLOBAL GROUP LIMITED | 02492136 | 21/08/2017 | Amber |
| AECOM GLOBAL HOLDINGS UK LIMITED | 06973874 | 03/08/2017 | Silver |
| AECOM GR2 LIMITED | 08755026 | 21/08/2017 | Bronze |
| AECOM HOLDINGS LIMITED | 03745592 | 08/02/2019 | Bronze |
| AECOM UKRC LIMITED | 11577908 | 30/10/2020 | Silver |
| AECOM WORLDWIDE HOLDINGS UK LIMITED | 08002197 | 03/08/2017 | Silver |
| AKT JV LIMITED | 08589206 | 30/10/2020 | Dissolved |
| CAMERON TAYLOR GROUP LIMITED | 03904241 | 19/06/2017 | One Red Flag |
| CAMERON TAYLOR ONE LIMITED | 02700538 | 19/06/2017 | Not Trading |
| CAMERON TAYLOR RESOURCES LIMITED | 02755193 | 19/06/2017 | Not Trading |
| CTG (1999) LIMITED | 03585733 | 19/06/2017 | Not Trading |
| DAVIS LANGDON 2004 LIMITED | 02519561 | 07/10/2016 | Not Trading |
| DAVIS LANGDON SERVICES (UK) LIMITED | 06997578 | 30/10/2020 | Insolvent |
| EDAW PLC | 02733032 | 25/01/2021 | Dissolved |
| FREDERIC R. HARRIS LTD. | 00889592 | 08/02/2019 | Insolvent |
| MAUNSELL INTERNATIONAL PROJECTS LIMITED | 01921890 | 09/06/2021 | Dissolved |
| OSCAR FABER TRUSTEES LIMITED | 02706993 | 08/02/2019 | Insolvent |
| PROJECT SPACE (OVERSEAS) LIMITED | 06913243 | 30/10/2020 | Dissolved |
| PROJECT SPACE (UK) LIMITED | 06962293 | 30/10/2020 | Dissolved |
| QUBE PLANNING LIMITED | 03748976 | 19/06/2017 | Dissolved |
| SCOTT WILSON PIESOLD LTD | 02894693 | 21/08/2017 | Dissolved |
| SCOTT WILSON RAILWAYS LTD | 03033277 | 21/08/2017 | Not Trading |
| UNIVERSE BIDCO LIMITED | 07289402 | 21/08/2017 | One Red Flag |
| URS CORPORATION LIMITED | SC118271 | 30/10/2020 | Gold |
| URS UNITED PROCESS LIMITED | 07877535 | 21/08/2017 | Dissolved |
| WGI MIDDLE EAST (UK) LTD. | 04438911 | 21/08/2017 | Dissolved |
| WOODWARD-CLYDE LIMITED | SC136353 | 21/08/2017 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| AECOM DESIGN & CONSULTING SERVICES UK LIMITED | 07840752 | 30/10/2020 | 24/05/2021 | Silver |
| AECOM INTERCONTINENTAL HOLDINGS UK LIMITED | 07972017 | 03/08/2017 | 04/05/2023 | Silver |
| BURNHILL EQUIPMENT FINANCE LIMITED | 01878012 | 10/08/2007 | 25/07/2011 | Dissolved |
| COWATER UK LIMITED | 11373728 | 21/05/2018 | 27/06/2019 | Gold |
| GE CAPITAL EMEA SERVICES LIMITED | 00244759 | 11/02/2010 | 10/01/2014 | Silver |
| GE CAPITAL EUROPEAN TREASURY SERVICES LIMITED | 03601645 | 22/10/2007 | 09/03/2011 | Insolvent |
| GE CAPITAL SOLUTIONS EUROPE LIMITED | 01596085 | 10/08/2007 | 10/01/2014 | Dissolved |
| GE CAPITAL UK LIMITED | 02549477 | 28/09/2007 | 19/11/2010 | Insolvent |
| HELLER INTERNATIONAL GROUP LIMITED | 01981108 | 13/11/2007 | 10/01/2014 | Dissolved |