| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| CALLISON EUROPE, LTD | 04194182 | 25/07/2017 | Dissolved |
| EEBEE PARTNERS LLP | OC304988 | 01/10/2003 | Silver |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ARCADIS (UK) LIMITED | 01093549 | 25/10/2012 | 01/03/2014 | Gold |
| ARCADIS GULF LIMITED | 01934617 | 25/10/2012 | 11/01/2013 | Dissolved |
| ARCADIS GULF O&G LIMITED | 01803667 | 25/10/2012 | 01/03/2014 | Dissolved |
| ARCADIS LLP | OC368843 | 23/11/2011 | 31/03/2018 | Bronze |
| ARCADIS UK ME LTD | 08786771 | 25/07/2017 | 10/05/2019 | Silver |
| ARNOLD PROJECT SERVICES LIMITED | 02077545 | 25/10/2012 | 01/03/2014 | Dissolved |
| CALLISONRTKL-UK LTD. | 02465376 | 25/07/2017 | 10/05/2019 | Gold |
| EC HARRIS (UK) LIMITED | 05013681 | 25/10/2012 | 01/03/2014 | Dissolved |
| TECHT LIMITED | 05761017 | 10/10/2008 | 04/12/2013 | Dissolved |
| ULTRA EVC LIMITED | 03021356 | 28/05/2009 | 01/03/2014 | Gold |
| VECTRA (MIDDLE EAST) LIMITED | 04778774 | 25/10/2012 | 11/01/2013 | Insolvent |