| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ENLIGHTENED TAX ADVISORY SERVICES LTD | 15860372 | 26/07/2024 | Amber |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| GE AEROSPACE PENSION TRUSTEES LIMITED | 08112850 | 06/12/2012 | 06/12/2017 | Bronze |
| SAFETY-KLEEN (NETHERLANDS) B.V. | FC037002 | 25/03/2021 | 21/02/2022 | Bronze |
| SAFETY-KLEEN EUROPE LIMITED | 03686221 | 25/03/2021 | 21/02/2022 | One Red Flag |
| SAFETY-KLEEN UK (EUROPE) LIMITED | 03673963 | 25/03/2021 | 21/02/2022 | Silver |
| SAFETY-KLEEN UK (FRANCE) LIMITED | 03673966 | 25/03/2021 | 21/02/2022 | Silver |
| SAFETYKLEEN FINANCE LIMITED | 06590913 | 25/03/2021 | 21/02/2022 | Silver |
| SAFETYKLEEN GROUP SERVICES LIMITED | 06544285 | 25/03/2021 | 21/02/2022 | One Red Flag |
| SHILTON BIDCO LIMITED | 10747281 | 25/03/2021 | 21/02/2022 | Bronze |
| SHILTON HOLDCO LIMITED | 10747207 | 25/03/2021 | 21/02/2022 | One Red Flag |
| WP MIDCO1 LIMITED | 06544559 | 25/03/2021 | 21/02/2022 | Amber |
| WP MIDCO2 LIMITED | 06544394 | 25/03/2021 | 21/02/2022 | Silver |
| WP MIDCO3 LIMITED | 06544475 | 25/03/2021 | 21/02/2022 | Silver |
| WP SAFETY-KLEEN (CAYMAN) LIMITED | FC028602 | 25/03/2021 | 21/02/2022 | Silver |
| WP SAFETY-KLEEN LIMITED | 06544225 | 25/03/2021 | 21/02/2022 | Silver |
| WP SK FRANCE LIMITED | 05134646 | 25/03/2021 | 21/02/2022 | Amber |
| WP SK HOLDINGS LIMITED | 05134411 | 25/03/2021 | 21/02/2022 | Gold |
| WP SK LIMITED | 05134639 | 25/03/2021 | 21/02/2022 | Gold |
| WP SK MIDCO LIMITED | 05385905 | 25/03/2021 | 21/02/2022 | Bronze |