| Company Name | Type | Status |
|---|---|---|
| OMNI-COM LIMITED | Private company limited by shares | Dissolved |
| OMNICOM LIMITED | Private company limited by shares | Live |
| OMNICOM ENGINEERING LIMITED | Private company limited by shares | Live |
| OMNICOM MEDIA GROUP GREATER CHINA LIMITED | Private company limited by shares | Live |
| OMNICOM INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| Omnicom Asia Pacific Limited | Private company limited by shares | Live |
| OmniCom Electrical Works Limited | Live |