| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| BLANDS E&M LTD | 03414652 | 07/09/2011 | Dissolved |
| DPSA CONSULTING LLP | OC399659 | 29/04/2015 | Dissolved |
| L G B E & M Ltd | 03033004 | 28/04/1995 | Dissolved |
| LG BLAND E&M LTD | 04668369 | 17/05/2005 | Insolvent |
| Romi Management Services Llp | OC312491 | 31/03/2005 | Dissolved |
| S R A Management Services Llp | OC307052 | 24/02/2004 | Dissolved |
| TINDALL PROPERTY SERVICES LIMITED | 03667041 | 07/09/2011 | Insolvent |
| Wednesbury Lock & Security Ltd | 04909033 | 24/10/2003 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BARNET LOCK AND SECURITY LIMITED | 04312460 | 14/11/2001 | 26/09/2023 | Bronze |
| BLANDS E&M LTD | 03414652 | 29/08/1997 | 13/03/2002 | Dissolved |
| BLANDS E&M LTD | 03414652 | 29/08/1997 | 17/05/2011 | Dissolved |
| BLS LIMITED | 03329062 | 20/03/1997 | 20/06/2002 | One Red Flag |
| BLS LIMITED | 03329062 | 08/06/1999 | 21/07/2003 | One Red Flag |
| COX SECURITY SOLUTIONS LIMITED | 06767234 | 24/01/2013 | 26/09/2023 | Dissolved |
| DPSA DEVELOPMENTS LTD | 08901537 | 19/02/2014 | 31/01/2024 | Not Trading |
| DPSA GROUP LTD | 07331959 | 30/07/2010 | 26/09/2023 | Bronze |
| DPSA PROPERTIES LLP | OC344773 | 07/04/2009 | 31/03/2022 | Bronze |
| Gb Security Products Ltd | 03632087 | 16/09/1998 | 05/12/2001 | Dissolved |
| TBB ELECTRICAL & SECURITY GROUP LIMITED | 03385652 | 13/10/1997 | 20/06/2002 | Bronze |
| TBB ELECTRICAL & SECURITY GROUP LIMITED | 03385652 | 13/10/1997 | 31/01/2024 | Bronze |
| TINDALL PROPERTY SERVICES LIMITED | 03667041 | 12/11/1998 | 13/03/2002 | Insolvent |
| TINDALL PROPERTY SERVICES LIMITED | 03667041 | 13/03/2002 | 17/05/2011 | Insolvent |
| TINDALL SECURITY LIMITED | 03667053 | 12/11/1998 | 13/03/2002 | Insolvent |
| TINDALL SECURITY LIMITED | 03667053 | 09/06/2011 | 26/09/2023 | Insolvent |