| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Instrumentation Management Ltd | 03039166 | 29/03/1995 | Dissolved |
| RADWAY ENGINEERING LIMITED | 04364174 | 08/02/2002 | Dissolved |
| STORRINGTON EQUITYCO LIMITED | 09006135 | 23/04/2014 | Silver |
| STORRINGTON INDUSTRIES LIMITED | 05357031 | 08/02/2005 | Amber |
| TESLA ENGINEERING LIMITED | 02786571 | 12/07/1995 | Bronze |
| TESLA LIMITED | 03058989 | 09/06/1995 | Silver |
| TESLA MAGNETIC LIMITED | 03698072 | 08/04/1999 | Not Trading |
| TESLA MEDICAL LIMITED | 03284013 | 08/12/1996 | Not Trading |
| TESLA TRUSTEES LIMITED | 04307619 | 02/11/2001 | Bronze |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ASTROSYN INTERNATIONAL TECHNOLOGY LIMITED | 01188550 | 25/11/1997 | 31/12/2004 | Gold |
| ASTROSYN LIMITED | 03468218 | 25/11/1997 | 31/12/2004 | Not Trading |
| MICROSAIC SYSTEMS PLC | 03568010 | 01/04/2010 | 15/05/2017 | Two Red Flags |