| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| 3E CONSULTING ENGINEERS LIMITED | 04265276 | 30/04/2024 | Silver |
| 3T SAFETY CONSULTANTS LIMITED | 06578914 | 30/04/2024 | Silver |
| BARTON WILLMORE DESIGN LIMITED | 02112957 | 01/04/2022 | Amber |
| BARTON WILLMORE HOLDINGS LIMITED | 02131349 | 01/04/2022 | Gold |
| BRETT CONSULTING LIMITED | 07765026 | 07/09/2018 | Dissolved |
| COMPLETE DESIGN PARTNERSHIP LIMITED | 03866200 | 30/04/2024 | Silver |
| ESI LTD | 03212832 | 23/03/2018 | Dissolved |
| FORE CONSULTING LIMITED | 07291952 | 30/04/2024 | Silver |
| HYDROCK CONSULTANTS LIMITED | 03118932 | 30/04/2024 | One Red Flag |
| HYDROCK HOLDINGS LIMITED | 11000495 | 30/04/2024 | Bronze |
| HYDROCK LIMITED | 11504968 | 30/04/2024 | Dissolved |
| HYDROCK MRB LIMITED | 07170381 | 30/04/2024 | Strike Off |
| HYDROCK NOMINEE LIMITED | 13046760 | 30/04/2024 | Dissolved |
| KELLY TAYLOR & ASSOCIATES LIMITED | 01698632 | 30/04/2024 | Bronze |
| PBA INTERNATIONAL LIMITED | 01299823 | 07/09/2018 | Dissolved |
| PBAI GLOBAL LAND DEVELOPMENT LIMITED | 06260426 | 07/09/2018 | Dissolved |
| SPLTRACK LIMITED | 08797709 | 30/04/2024 | One Red Flag |
| STANTEC CONSTRUCTORS HOLDING (2017) LIMITED | 10956628 | 11/09/2017 | Dissolved |
| STANTEC EUROPE LIMITED | 02438136 | 30/08/2018 | Gold |
| STANTEC GLOBAL CAPITAL LIMITED | 10956769 | 05/03/2021 | Silver |
| STANTEC HOLDING (2017) LIMITED | 10956620 | 11/09/2017 | Dissolved |
| STANTEC LIMITED | 15869539 | 01/08/2024 | Amber |
| STANTEC MIDDLE EAST LIMITED | 03824962 | 04/10/2022 | N/A |
| STANTEC OCEANIA LIMITED | 10956755 | 07/02/2020 | N/A |
| STANTEC TREATMENT GROUP LIMITED | 04635724 | 02/11/2018 | Dissolved |
| STANTEC UK LIMITED | 01188070 | 30/08/2018 | Gold |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BYPRODUCT RECOVERY LIMITED | 06257744 | 23/12/2010 | 18/02/2011 | Silver |
| INNOVYZE LIMITED | 06975921 | 27/06/2016 | 06/05/2017 | Silver |
| MWH CONSTRUCTORS LIMITED | 11493725 | 01/08/2018 | 02/11/2018 | Gold |
| MWH FARRER LIMITED | 05728436 | 23/12/2010 | 18/02/2011 | Amber |
| MWH LIMITED | 11493983 | 01/08/2018 | 02/11/2018 | Gold |
| MWH TREATMENT LIMITED | 01535477 | 23/12/2010 | 18/02/2011 | Silver |
| STANTEC FARRER LIMITED | 11493916 | 01/08/2018 | 02/11/2018 | Dissolved |
| STANTEC TREATMENT HOLDING LIMITED | 05728439 | 23/12/2010 | 18/02/2011 | Dissolved |
| STANTEC TREATMENT LIMITED | 11493460 | 01/08/2018 | 02/11/2018 | Dissolved |