| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| A PREPAID CARD (UK) | 03744721 | 24/05/2010 | Dissolved |
| AT&T (UK) | 01774561 | 24/05/2010 | Dissolved |
| AT&T GLOBAL MARKETS (EMEA) | 03764804 | 24/05/2010 | Dissolved |
| AT&T GLOBAL SERVICES | 03396030 | 24/05/2010 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| AT&T ISTEL | 03531467 | 24/05/2010 | 30/11/2022 | Silver |
| SUTTON COURT LTD | 01918334 | 12/04/2005 | 08/04/2014 | Gold |