| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| INTELLIGENT ENGINEERING (UK) LIMITED | 03184851 | 06/10/2016 | Dissolved |
| SPS TECHNOLOGY HOLDINGS LTD | 11825962 | 24/04/2019 | Amber |
| SPS TECHNOLOGY LIMITED | 10901095 | 04/08/2017 | One Red Flag |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| AECOM LIMITED | 01846493 | 01/01/2012 | 31/10/2014 | Silver |
| OVE ARUP & PARTNERS INTERNATIONAL LIMITED | 00952468 | 01/10/1998 | 01/01/2002 | Silver |
| OVE ARUP & PARTNERS LIMITED | 01312453 | 01/10/1998 | 28/07/2011 | Gold |