| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| D G D (1992) Ltd | 02756859 | 06/03/1996 | Dissolved |
| Fire Containment Ltd | 03995583 | 29/06/2000 | Dissolved |
| Fire Tech Consultancy Ltd | 03875369 | 11/11/1999 | Dissolved |
| Fire Tech Ltd | 02893993 | 06/07/1994 | Dissolved |
| Fire Tech Site Services Ltd | 04020632 | 13/07/2000 | Dissolved |
| Grovefair Fire Protection Ltd | 02700423 | 06/05/1992 | Dissolved |
| LIFE TECH FIRE AND SECURITY LIMITED | 04755618 | 07/05/2003 | Dissolved |
| Liveset Ltd | 02526524 | 30/07/1991 | Dissolved |
| Nationwide Fire Tech Ltd | 03878050 | 04/04/2000 | Dissolved |
| Rodway Security Ltd | 01405810 | 04/11/1994 | Dissolved |
| WALLFIRE LIMITED | 05028821 | 27/02/2004 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| AIS FIRE & SECURITY LIMITED | 05025565 | 27/02/2004 | 01/02/2008 | Insolvent |
| AIS FIRE CONTAINMENT LIMITED | 04023690 | 29/06/2000 | 28/04/2009 | Insolvent |
| ARROWPARK LIMITED | 02501138 | 11/05/1991 | 04/07/2006 | Amber |
| Alfa Security Ltd | 02921876 | 22/04/1994 | 31/01/1996 | Dissolved |
| Averti Two Ltd | 02789893 | 19/02/1993 | 01/11/1999 | Dissolved |
| ELEMENTAIR LIMITED | 09993930 | 02/03/2016 | 19/04/2021 | Gold |
| JIGSAW SPECIALIST SOLUTIONS LIMITED | 07153833 | 10/02/2010 | 09/02/2011 | Dissolved |
| Lifeco Maintenance Ltd | 04797682 | 21/06/2004 | 24/11/2008 | Dissolved |
| SWIFT & SURE SERVICES LIMITED | 06891514 | 22/03/2010 | 09/02/2011 | Dissolved |
| Safety 4 U Ltd | 02659564 | 28/11/1991 | 29/09/1999 | Dissolved |