| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| AUDIOTEL (UK) LIMITED | 03884698 | 02/09/2015 | Dissolved |
| CAMERA TECHNOLOGIES LIMITED | 09554423 | 22/04/2015 | Dissolved |
| Onestop Technology Ltd | 04169878 | 28/02/2001 | Dissolved |
| Onestop Technology Ltd | 04169878 | 28/02/2001 | Dissolved |
| Power Games Ltd | 05254864 | 11/10/2004 | Dissolved |
| QCE (UK) LIMITED | 06658383 | 24/01/2012 | Silver |
| SECURITY RESEARCH INTERNATIONAL LIMITED | 07815108 | 02/09/2015 | Dissolved |
| SERTECH LIMITED | 06972553 | 25/07/2009 | Dissolved |
| SIGMA 032023 LIMITED | 14711838 | 07/03/2023 | Bronze |
| SIGMA GROUP HOLDINGS LIMITED | 15145563 | 18/09/2023 | Bronze |
| SIXIS TECHNOLOGY GROUP LIMITED | 15145566 | 18/09/2023 | Bronze |
| SIXIS TECHNOLOGY LIMITED | 09752614 | 27/08/2015 | One Red Flag |
| Smartcandles.Co.Uk Ltd | 04102205 | 20/05/2004 | Dissolved |
| TIOGA DESIGN SERVICES LTD | 01557063 | 02/09/2015 | Gold |
| TIOGA GROUP LIMITED | 15128889 | 11/09/2023 | Bronze |
| TIOGA LIMITED | 03167564 | 01/01/1998 | Silver |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| FREESPACE NETWORKS LIMITED | 06287522 | 20/06/2007 | 10/05/2013 | Dissolved |
| FREESPACE NETWORKS LIMITED | 06287522 | 20/06/2007 | 10/05/2013 | Dissolved |
| NEUROCARE EUROPE LIMITED | 06888872 | 23/01/2012 | 19/06/2018 | Amber |
| QCE (UK) LIMITED | 06658383 | 29/07/2008 | 04/03/2010 | Silver |
| TELEMISIS LTD | 06597992 | 20/05/2008 | 23/07/2008 | Bronze |