| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| FLAGZEST LIMITED | 06281884 | 18/06/2007 | Dissolved |
| Paradigm Response Ltd | 03409718 | 24/06/1998 | Dissolved |
| Paradigm Risk Management Ltd | 03328287 | 05/03/1997 | Dissolved |
| Stirling Guards Ltd | 03721534 | 28/02/2003 | Dissolved |
| Teamwork Facilities Management Limited | 02282837 | 18/02/1992 | Dissolved |
| W J Investments Llp | OC307077 | 26/02/2004 | Dissolved |
| WILSON JAMES HOLDINGS LIMITED | 04176666 | 01/04/2004 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BRITISH SECURITY INDUSTRY ASSOCIATION LIMITED(THE) | 00896431 | 07/07/2004 | 15/07/2015 | Silver |
| Judicial Services Ltd | 02110379 | 03/08/1992 | 31/12/1996 | Dissolved |
| LOOMIS HOLDING UK LIMITED | 02586369 | 27/02/1993 | 31/12/1996 | Gold |
| NISCAYAH HOLDINGS LIMITED | 02073469 | 03/08/1992 | 31/12/1996 | One Red Flag |
| Pinkerton Aviation Security Ltd | 01563223 | 31/12/1992 | 31/12/1996 | Dissolved |
| Pinkerton National Process Ltd | 02743448 | 06/01/1993 | 31/12/1996 | Dissolved |
| Pinkerton Special Projects Ltd. | 02829740 | 16/07/1993 | 31/12/1996 | Dissolved |
| SECURITAS SECURITY SERVICES LTD | 02630124 | 15/10/1991 | 31/12/1996 | Gold |
| SKILLS FOR SECURITY LIMITED | 04382724 | 02/09/2005 | 03/02/2016 | Silver |
| SKILLSFOR LTD | 02555976 | 03/05/2005 | 31/12/2005 | Bronze |
| Security Selection Ltd. | 02060712 | 03/08/1992 | 31/12/1996 | Dissolved |
| THE SECURITY INSTITUTE | 03961350 | 11/01/2002 | 02/03/2009 | Gold |
| WILSON JAMES GROUP LIMITED | 06527539 | 07/03/2008 | 10/05/2018 | Gold |