| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| DU PONT (U.K.) INDUSTRIAL LIMITED | 03911468 | 01/04/2019 | Silver |
| DU PONT (U.K.) LIMITED | 04556216 | 01/04/2019 | Silver |
| EKC ADVANCED ELECTRONICS UK LTD | 16029517 | 21/10/2024 | Amber |
| EKC TECHNOLOGY LIMITED | SC086995 | 01/04/2019 | Silver |
| FILMTEC WATER UK LTD | 16029490 | 21/10/2024 | Amber |
| LAIRD ASIA HOLDINGS LIMITED | 07093607 | 01/07/2021 | Bronze |
| LAIRD HOLDINGS LIMITED | SC006373 | 01/07/2021 | Bronze |
| LAIRD LIMITED | 00055513 | 01/07/2021 | Silver |
| LAIRD OVERSEAS HOLDINGS LIMITED | 06135076 | 01/07/2021 | Silver |
| SPECIALTY ELECTRONIC MATERIALS UK LIMITED | 10321058 | 01/04/2019 | Silver |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CELANESE MERCURY HOLDINGS UK LIMITED | 13509638 | 14/07/2021 | 01/11/2022 | Bronze |
| CELANESE POLYMER PRODUCTS UK LIMITED | 13847165 | 13/01/2022 | 01/11/2022 | Silver |
| DU PONT (U.K.) TRUSTEES LIMITED | 02993103 | 01/03/2015 | 26/06/2019 | Not Trading |
| NUTRITION & BIOSCIENCES (UK) LTD | 12394367 | 09/01/2020 | 20/01/2021 | Dissolved |