| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| BMH ASSOCIATES LIMITED | 08533926 | 17/05/2013 | Amber |
| BPS LAND & MARINE SPILL TREATMENT LTD. | 11015205 | 23/11/2017 | Dissolved |
| INSPEC FINANCE LIMITED | 02685504 | 21/10/2008 | Dissolved |
| INSPEC FINE CHEMICALS LIMITED | 01731062 | 17/10/2008 | Dissolved |
| INSPEC INVESCO | 03832243 | 17/10/2008 | Dissolved |
| LAPORTE INVESCO | 03087768 | 17/10/2008 | Dissolved |
| MEASMERIZE LTD | 10644664 | 03/06/2020 | One Red Flag |
| SARCLEAR LIMITED | 02357551 | 17/10/2008 | Dissolved |
| SKW CHEMICALS UK LIMITED | 01494366 | 17/10/2008 | Dissolved |
| TRANSMIT STARTUP DIRECT LIMITED | 08669382 | 01/08/2016 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| 2M MANUFACTURING LIMITED | 01075253 | 28/10/2008 | 30/04/2013 | Amber |
| BLUE BRICK TALENT LTD | 10678847 | 20/03/2017 | 08/05/2017 | Dissolved |
| DEGUSSA LIMITED | 00169597 | 17/10/2008 | 02/05/2013 | Dissolved |
| DEGUSSA SKW CO | 04127447 | 16/10/2008 | 30/04/2013 | Dissolved |
| EGL LIMITED | 00748589 | 17/10/2008 | 03/05/2013 | Gold |
| EVONIK AMALGAMATION LIMITED | 00096356 | 17/10/2008 | 02/05/2013 | Gold |
| EVONIK LCL LIMITED | 00518066 | 17/10/2008 | 03/05/2013 | Silver |
| EVONIK LIL LIMITED | 00031089 | 17/10/2008 | 03/05/2013 | Gold |
| EVONIK SPECIALITY ORGANICS LIMITED | 02709572 | 17/10/2008 | 02/05/2013 | Dissolved |
| EVONIK TRUSTEE LIMITED | 08174240 | 09/08/2012 | 02/05/2013 | Bronze |
| EVONIK UK HOLDINGS LIMITED | 02695034 | 16/10/2008 | 30/04/2013 | Gold |
| THE ENTHUSIASM TRUST | 04125063 | 09/03/2015 | 26/08/2021 | Bronze |