| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| CH2M HILL SERVICES LIMITED | 04263139 | 30/11/2020 | Strike Off |
| CH2M HILL UNITED KINGDOM | 02533469 | 30/11/2020 | One Red Flag |
| CLM DELIVERY PARTNER LIMITED | 05796284 | 09/03/2021 | Silver |
| HALCROW (CONSULTING ENGINEERS & ARCHITECTS) LIMITED | 01045458 | 26/09/2022 | Amber |
| HALCROW ASIA LIMITED | 02458827 | 26/09/2022 | Bronze |
| HALCROW ASIA PARTNERSHIP LIMITED | 02490667 | 26/09/2022 | Amber |
| HALCROW CANADA LIMITED | 05296410 | 26/09/2022 | Dissolved |
| HALCROW CONSULTING LIMITED | 02326761 | 26/09/2022 | Amber |
| HALCROW GROUP LIMITED | 03415971 | 30/11/2020 | Amber |
| HALCROW INTERNATIONAL PARTNERSHIP | 02809680 | 30/11/2020 | Amber |
| JACOBS ENGINEERING UK LIMITED | 02527622 | 30/11/2020 | Dissolved |
| JACOBS ONE LIMITED | SC141100 | 26/09/2022 | Gold |
| JACOBS U.K. LIMITED | 02594504 | 11/08/2021 | Silver |
| JACOBSGIBB LTD | 02387707 | 30/11/2020 | Gold |
| LEIGHFISHER HOLDINGS LIMITED | 07462876 | 30/11/2020 | Dissolved |
| LEIGHFISHER LIMITED | 02591354 | 20/03/2018 | Gold |
| LEIGHFISHER U.K. LIMITED | 02653755 | 30/11/2020 | Dissolved |
| RINGWAY JACOBS LIMITED | 05576465 | 01/12/2022 | Bronze |
| SIMETRICA-JACOBS LTD | 09035322 | 07/10/2019 | Amber |
| SIR WILLIAM HALCROW & PARTNERS LIMITED | 01722541 | 30/11/2020 | Strike Off |
| TRANSMARK ASIA LIMITED | 02815214 | 30/11/2020 | Bronze |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|