| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| 21ST CENTURY FLEET SYSTEMS LIMITED | 02243934 | 06/01/2014 | Not Trading |
| 21ST CENTURY INTEGRATED SYSTEMS LIMITED | 02438510 | 29/04/2015 | Gold |
| 21ST CENTURY PASSENGER SYSTEMS LIMITED | 02740409 | 06/01/2014 | Not Trading |
| 21ST CENTURY TECHNOLOGY GROUP LIMITED | 04123410 | 06/01/2014 | Not Trading |
| 21ST CENTURY TECHNOLOGY LIMITED | 10896440 | 07/12/2017 | Not Trading |
| 21ST. CENTURY CRIME PREVENTION SERVICES LIMITED | 03014122 | 06/01/2014 | Not Trading |
| BRIDGE ALERT LIMITED | 05587693 | 06/01/2014 | Not Trading |
| CITYSPACE LIMITED | 06972170 | 01/05/2015 | Not Trading |
| CORETROL LIMITED | 07398342 | 06/10/2010 | Gold |
| ECOMANAGER LIMITED | 05462950 | 06/01/2014 | Not Trading |
| IGL LIMITED | 11369886 | 17/01/2023 | Bronze |
| INFOTEC HOLDINGS LIMITED | 06015140 | 17/01/2023 | Not Trading |
| INFOTEC LIMITED | 02703979 | 17/01/2023 | Gold |
| INTEGRATED TECHNOLOGIES (INTERNATIONAL) LIMITED | 03876569 | 06/01/2014 | Not Trading |
| JOURNEO FLEET SYSTEMS LIMITED | 01209516 | 06/01/2014 | Bronze |
| JOURNEO PASSENGER SYSTEMS LIMITED | 02437872 | 29/04/2015 | Bronze |
| JOURNEO PLC | 02974642 | 10/10/2013 | Silver |
| LINEFIT ENGINEERING LIMITED | SC557748 | 15/02/2017 | Not Trading |
| RSL CITYSPACE LIMITED | 03169833 | 29/04/2015 | Amber |
| RSLSTREETNET LIMITED | 07718435 | 29/04/2015 | Not Trading |
| SECOND BASE SYSTEMS LIMITED | 02384858 | 06/01/2014 | Not Trading |
| SERVICEMANAGER LIMITED | 01532123 | 06/01/2014 | Not Trading |
| SEXTONS GROUP LIMITED | 02608670 | 06/01/2014 | Not Trading |
| SINCRAFT LIMITED | 08391021 | 06/02/2013 | Dissolved |
| SINCRAFT LIMITED | 08391021 | 06/02/2013 | Dissolved |
| TOAD INNOVATIONS LIMITED | 02798294 | 06/01/2014 | Not Trading |
| TOAD LIMITED | 04123356 | 06/01/2014 | Not Trading |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| A1 PRESENTATIONS LIMITED | 02518569 | 13/05/1996 | 06/05/2010 | Dissolved |
| CAMERAWATCH LIMITED | SC317570 | 18/03/2008 | 05/01/2010 | Dissolved |
| COEX LIMITED | 01911754 | 06/02/2004 | 06/05/2010 | Not Trading |
| FALCON EQUIPMENT AND SYSTEMS LIMITED | 04244450 | 15/12/2005 | 06/05/2010 | Dissolved |
| FOTOVALUE LIMITED | 00530172 | 06/03/2002 | 06/05/2010 | Not Trading |
| IES INTEGRATED ELECTRONIC SYSTEMS LIMITED | 02244816 | 15/12/2005 | 06/05/2010 | Dissolved |
| INTEGRATED ENVIRONMENTAL SYSTEMS LIMITED | 02427589 | 15/12/2005 | 06/05/2010 | Dissolved |
| LOOK CCTV LIMITED | 02126939 | 22/01/2004 | 06/05/2010 | Not Trading |
| LOOK CLOSED CIRCUIT T.V LIMITED | 02473984 | 20/02/2004 | 06/05/2010 | Not Trading |
| OCULAR INTEGRATION LIMITED | 05831231 | 31/05/2006 | 06/05/2010 | Gold |
| PROTEC 2001 LIMITED | 02173302 | 15/12/2005 | 06/05/2010 | Dissolved |
| PROTEC LIMITED | 02876304 | 18/11/2005 | 06/05/2010 | Not Trading |
| QUADNETICS GROUP LIMITED | 04283903 | 22/01/2002 | 06/05/2010 | Not Trading |
| QUADRANT INTEGRATED SYSTEMS LIMITED | 02583461 | 15/12/2005 | 06/05/2010 | Dissolved |
| QUADRANT RESEARCH & DEVELOPMENT LIMITED | 02673950 | 10/01/1992 | 06/05/2010 | Not Trading |
| QUADRANT SUPPORT SERVICES LIMITED | 04329446 | 15/12/2005 | 06/05/2010 | Dissolved |
| QUADRANT VIDEO SYSTEMS LIMITED | 02127345 | 24/03/1995 | 06/05/2010 | Dissolved |
| QUADRANT VISUAL SOLUTIONS LIMITED | 02263145 | 18/11/1999 | 19/12/2001 | Dissolved |
| S D A PROTEC LIMITED | 02011062 | 15/12/2005 | 06/05/2010 | Dissolved |
| SANPHO PENSION TRUSTEES LIMITED | 01530978 | 08/03/2002 | 06/05/2010 | Not Trading |
| SDA NETWORK SOLUTIONS LIMITED | 04471801 | 15/12/2005 | 06/05/2010 | Dissolved |
| SDA PROTEC (2001) LIMITED | 02787012 | 15/12/2005 | 06/05/2010 | Dissolved |
| SECTRONIC (MARKETING) LIMITED | 01364510 | 15/12/2005 | 06/05/2010 | Dissolved |
| SECURITY DESIGN ASSOCIATES (1979) LIMITED | SC069292 | 15/12/2005 | 06/05/2010 | Dissolved |
| SOFTWARE DEVELOPMENTS (DIGITAL DIRECT) LIMITED | 02616444 | 15/12/2005 | 06/05/2010 | Dissolved |
| STANMORE SYSTEMS LTD | 02144288 | 29/12/1991 | 30/06/1992 | Not Trading |
| SYNECTIC SYSTEMS GROUP LIMITED | 05815524 | 31/05/2006 | 06/05/2010 | Silver |
| SYNECTIC SYSTEMS LIMITED | 02191834 | 18/12/1992 | 06/05/2010 | Not Trading |
| SYNECTICS PLC | 01740011 | 08/07/1998 | 06/05/2010 | Silver |
| SYNECTICS SECURITY NETWORKS LIMITED | 03014280 | 15/12/2005 | 06/05/2010 | Not Trading |
| SYNECTICS TECHNOLOGY CENTRE LIMITED | 02192181 | 30/07/1996 | 06/05/2010 | Not Trading |
| The Association of Business Communicators Ltd | 02606137 | 24/02/1994 | 02/10/1996 | Dissolved |