| GroupM Limited | Private company limited by shares | Live |
| GroupM Communications Hong Kong Limited | Private company limited by shares | Live Ceased dormancy on 14-Oct-2010 |
| GROUPMAI MEDIA CO., LIMITED | Private company limited by shares | Dissolved |
| GROUPMALL COMPANY LIMITED | Private company limited by shares | Live |
| GROUPMANAGER LIMITED | Private company limited by shares | Live |
| GROUPMARK LIMITED | Private company limited by shares | Dissolved |
| GROUPMASS LIMITED | Private company limited by shares | Dissolved |
| Groupmate Limited | Private company limited by shares | Live |
| GROUPMAX FAR EAST LIMITED | Private company limited by shares | Dissolved |
| GROUPMAX INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| GroupMCL Limited | Private company limited by shares | Live |
| GROUPMEN FINANCE COMPANY LIMITED | Private company limited by shares | Dissolved |
| GROUPMEN (GMT) LIMITED | Private company limited by shares | Dissolved |