| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| TETRA TECH INTERNATIONAL DEVELOPMENT BV | FC034786 | 25/03/2024 | Bronze |
| TETRA TECH INTERNATIONAL DEVELOPMENT EUROPE LIMITED | 04120956 | 25/03/2024 | Silver |
| TETRA TECH INTERNATIONAL DEVELOPMENT LIMITED | 03799145 | 25/03/2024 | One Red Flag |
| TETRA TECH INTERNATIONAL DEVELOPMENT PROJECTS LIMITED | 03195423 | 25/03/2024 | Silver |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| REGENERATE.COM | 04146490 | 30/11/2010 | 17/12/2018 | Gold |