| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Allostyle Ltd | 02095675 | 31/12/1990 | Dissolved |
| Campilt Ltd | SC089054 | 11/09/1990 | Dissolved |
| D B E Technology Group Plc | 01379178 | 01/03/1991 | Dissolved |
| Letmime Ltd | 01591765 | 11/10/1990 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| 01361774 LIMITED | 01361774 | 31/07/1992 | 23/12/1992 | Dissolved |
| Bluedaydo Ltd | 00949373 | 24/09/1992 | 23/12/1992 | Dissolved |
| Cap-Dbe Range Systems Ltd | 01911179 | 04/10/1992 | 23/12/1992 | Dissolved |
| D B E Technology Ltd | 01671265 | 31/07/1992 | 23/12/1992 | Dissolved |
| Dundridge College Ltd | 01822710 | 23/09/1992 | 23/12/1992 | Dissolved |
| FERRANTI CONTROL GROUP PLC | 01662614 | 30/07/1992 | 23/12/1992 | Dissolved |
| FERRANTI INTERNATIONAL HOLDINGS LIMITED | 01390209 | 30/07/1992 | 23/12/1992 | Bronze |
| FERRANTI INTERNATIONAL PLC | 00083718 | 24/09/1992 | 23/12/1992 | Dissolved |
| FERRANTI OFFSHORE SYSTEMS LIMITED | SC056694 | 28/09/1990 | 23/12/1992 | Dissolved |
| FOLDGREAT LIMITED | SC086021 | 25/10/1990 | 29/04/1991 | Insolvent |
| Ferranti Business Communications Ltd | 01574364 | 24/09/1992 | 23/12/1992 | Dissolved |
| Ferranti Dynamics Ltd | 02163912 | 30/07/1992 | 23/12/1992 | Dissolved |
| Ferranti Electronics Ltd | 01361190 | 31/07/1992 | 23/12/1992 | Dissolved |
| Ferranti Instrumentation Ltd | 01361775 | 31/07/1992 | 23/12/1992 | Dissolved |
| Ferranti International Engineering Ltd | 01658874 | 24/09/1992 | 23/12/1992 | Dissolved |
| Ferranti Overseas Services Ltd | 01654421 | 31/07/1992 | 23/12/1992 | Dissolved |
| ISC HOLDINGS LIMITED | 01760663 | 31/07/1992 | 23/12/1992 | Dissolved |
| ISC LONDON PLC | 01443711 | 31/07/1992 | 23/12/1992 | Dissolved |
| ISC TECHNOLOGIES LIMITED | 01835955 | 30/07/1992 | 23/12/1992 | Dissolved |
| Legibus Forty-Seven Ltd | 01806869 | 31/07/1992 | 23/12/1992 | Dissolved |
| Nosmo Ltd | 02095708 | 31/07/1992 | 23/12/1992 | Dissolved |
| Pixwell Limited | 01883396 | 31/07/1992 | 23/12/1992 | Dissolved |
| Renfield Limited | 00354627 | 31/07/1992 | 23/12/1992 | Dissolved |
| Thormill Ltd | 01021793 | 31/07/1992 | 23/12/1992 | Dissolved |