| Client | Cille | Pays | |
|---|---|---|---|
| AAA Construction | Dubai | AE | |
| Aachen Münchener Versicherung | Aachen | DE | |
| Aayan Leasing & Investment Co. | Kuwait | KW | |
| Ab Ovo Deutschland GmbH | Köln | DE | |
 |
ABB AG | 1810 Wien | AT |
| ABN Amro | London | GB | |
| ABN AMRO Bank | Moscow | RU | |
| ABS Holdings | Belgrad | RS | |
| Acciona | Madrid | ES | |
| ADCED (Abu Dhabi Council of Economy Dev.) | Abu Dhabi | AE | |
| ADCO | Abu Dhabi | AE | |
| Adecco | Glattbrugg | CH |
