| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Advantage Security Systems Plc | 03195242 | 07/05/1996 | Dissolved |
| Ambassador Alarms Ltd | 03127507 | 17/11/1995 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ALARM MANUFACTURING AND ELECTRONICS (HOLDINGS) LIMITED | 02349213 | 17/02/1992 | 20/10/1992 | Dissolved |
| AMBASSADOR SECURITY ALARMS LIMITED | 02139602 | 10/12/1991 | 18/02/1993 | Dissolved |
| AMBASSADOR SECURITY GROUP LIMITED | 01593867 | 06/07/1992 | 24/08/1995 | Dissolved |
| AMECO SECURITY LIMITED | 01659008 | 13/12/1990 | 30/11/1994 | Dissolved |
| AMECO SECURITY SYSTEMS LTD | 01235943 | 07/10/1991 | 20/10/1992 | Dissolved |
| CALSEC ALARMS LIMITED | SC076042 | 11/02/1992 | 23/12/1994 | Dissolved |
| CITY ALARM SYSTEMS LIMITED | 01600439 | 31/12/1991 | 23/10/1992 | Dissolved |
| E.M.S. ALARMS LTD | 01439352 | 20/11/1991 | 20/10/1992 | Dissolved |
| E.M.S. SECURITY LIMITED | 02258244 | 20/11/1991 | 20/10/1992 | Dissolved |
| Executive Security (Wentworth) Services Ltd | 02941925 | 17/03/1997 | 30/01/1998 | Dissolved |
| KWICK ALARMS LIMITED | 01688409 | 14/07/1991 | 20/10/1992 | Dissolved |
| Karline Security Systems Plc | 02301661 | 06/08/1997 | 30/01/1998 | Dissolved |
| P.A. ALARMS LIMITED | 01791558 | 14/07/1991 | 20/10/1992 | Dissolved |
| PETARDS GROUP PLC | 02990100 | 31/01/1997 | 29/01/1998 | Silver |
| Pmi International Ltd | 03296890 | 05/02/1997 | 30/01/1998 | Dissolved |
| Screen Security Ltd | 03403135 | 30/07/1997 | 30/01/1998 | Dissolved |
| Secur-Scan Ltd | 03403208 | 17/07/1997 | 30/01/1998 | Dissolved |
| Tranzline Ltd | 03328724 | 15/04/1997 | 30/01/1998 | Dissolved |