| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Alarm Book Co Ltd | 03130608 | 24/11/1995 | Dissolved |
| Alarm Conferences & Training Ltd | 02878867 | 08/12/1993 | Dissolved |
| Compsec Ltd | 03074633 | 30/06/1995 | Dissolved |
| Cub Electronics Ltd | 01866916 | 31/12/1991 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ACT METERS LIMITED | 02073099 | 31/12/1990 | 25/09/2012 | Dissolved |
| ACT TECHNOLOGY LIMITED | 05835761 | 02/06/2006 | 25/09/2012 | Dissolved |
| S H G Intruder Alarms Ltd | 01647229 | 22/01/1991 | 21/02/1991 | Dissolved |