| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| I-SENTRAL SECURITY LTD | 03182763 | 24/01/2007 | Dissolved |
| MIS GROUP HOLDINGS LIMITED | 03553565 | 01/11/2001 | Dissolved |
| MIS NOMINEES LIMITED | 04805282 | 02/07/2012 | Dissolved |
| Mis Europe Ltd | 02685198 | 01/11/2001 | Dissolved |
| SDH UK LIMITED | 06470248 | 18/06/2008 | Dissolved |
| SECUREDATA FINANCE LIMITED | 07386051 | 23/09/2010 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ORANGE CYBERDEFENSE UK LIMITED | 04365896 | 01/04/2002 | 03/03/2021 | One Red Flag |
| SDH BIDCO LIMITED | 07930752 | 02/07/2012 | 03/03/2021 | Dissolved |
| SDH HOLDCO LIMITED | 07930769 | 02/07/2012 | 31/01/2019 | One Red Flag |