| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Action Group Holdings Ltd | 03688366 | 15/01/1999 | Dissolved |
| BAST MAINTENANCE LTD | 10275099 | 09/08/2021 | Not Trading |
| Band Three Connections Ltd | 02204095 | 31/12/1990 | Dissolved |
| CITYSAFE LTD | 07308878 | 08/07/2010 | Dissolved |
| Hs 599 Ltd | 06660585 | 30/07/2008 | Dissolved |
| K Electronics Ltd | 03751809 | 26/04/1999 | Dissolved |
| K P R Properties Ltd | 03008351 | 10/01/1995 | Dissolved |
| MURPHY HIRE LIMITED | 06453424 | 21/01/2008 | Dissolved |
| Murphy Telecommunications Systems Limited | 02111889 | 31/08/1991 | Dissolved |
| Omnia Training Ltd | 04469868 | 14/12/2007 | Dissolved |
| Orange File Ltd | 03455740 | 22/03/1999 | Dissolved |
| PUBWATCH LIMITED | 05703211 | 17/05/2006 | Dissolved |
| SHOP WATCH RADIO LIMITED | 05909657 | 17/08/2006 | Dissolved |
| SHOPWATCH LTD | 05219893 | 14/09/2006 | One Red Flag |
| TELECOMMUNICATIONS INTERNATIONAL AGENCIES LIMITED | 07100682 | 10/12/2009 | Dissolved |
| TELECOMMUNICATIONS INTERNATIONAL AGENCIES LTD | 11362097 | 15/05/2018 | One Red Flag |
| Telecommunications International Agencies Ltd | 01226206 | 31/12/1991 | Dissolved |
| Vector Systems Solutions Ltd | 05154795 | 16/06/2004 | Dissolved |
| ZONE BROADBAND LTD | 15130746 | 12/04/2024 | Bronze |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BRASSMAIL LIMITED | 03688367 | 15/01/1999 | 23/04/2001 | Gold |
| FORENSIC TELECOMMUNICATIONS SERVICES LIMITED | 02767103 | 10/03/2011 | 22/11/2013 | Dissolved |
| G & G Consultants Ltd. | 03548814 | 22/03/1999 | 14/05/1999 | Dissolved |
| Murphy Hire Ltd | 01413853 | 16/07/1991 | 01/05/2001 | Dissolved |
| ORION FACILITIES MANAGEMENT LIMITED | 05969019 | 28/11/2011 | 10/06/2013 | Dissolved |
| S M T Grange Ltd | 03172661 | 15/03/1996 | 12/02/1998 | Dissolved |
| T I A (Holdings) Plc | 02064847 | 31/12/1990 | 23/04/2001 | Dissolved |
| Teletek Europe Ltd | 02044927 | 31/12/1990 | 24/09/2001 | Dissolved |
| VECTOR NETWORKS LIMITED | 02699925 | 03/06/1997 | 30/04/2005 | Insolvent |
| VECTOR NETWORKS TECHNOLOGIES LIMITED | 03371063 | 22/05/1997 | 18/04/2005 | One Red Flag |