| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| CSG SYSTEMS US HOLDING LIMITED | 07450155 | 24/11/2010 | Dissolved |
| DATAPHONE (HOLDINGS) LIMITED | 03990489 | 01/12/2010 | Dissolved |
| INTEC TELECOM SYSTEMS (REVENUE ASSURANCE DIVISION) LIMITED | 02995363 | 01/12/2010 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CSG SYSTEMS UK LIMITED | 07382973 | 21/09/2010 | 31/05/2016 | Silver |
| INDEPENDENT TECHNOLOGY SYSTEMS LIMITED | 03179314 | 01/12/2010 | 10/06/2016 | Silver |
| INTEC TELECOM SYSTEMS LIMITED | 03931295 | 01/12/2010 | 10/06/2016 | Silver |