| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Core Integration Ltd | 03794940 | 24/06/1999 | Dissolved |
| Inmos Trustee Company Limited | 01443713 | 09/11/1993 | Dissolved |
| Iprias Ltd | 03239085 | 19/08/1996 | Dissolved |
| Iprias Ltd | 03239085 | 19/08/1996 | Dissolved |
| Tao Media Ltd | 05063363 | 28/04/2004 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ANTIX LABS LIMITED | 06664221 | 17/12/2008 | 21/03/2011 | Dissolved |
| IMAGINATION TECHNOLOGIES GROUP LIMITED | 02920061 | 22/04/1998 | 31/05/2016 | Gold |
| INMOS LIMITED | 01376187 | 09/11/1993 | 01/07/1997 | Dissolved |
| Multigig Ltd | 03987763 | 08/05/2000 | 30/01/2001 | Dissolved |
| STMICROELECTRONICS (BRISTOL) PENSION TRUST LTD | 01522768 | 01/11/2017 | 16/07/2024 | Not Trading |
| Tao Group Ltd | 02722079 | 27/05/2003 | 18/07/2007 | Dissolved |