| PORTMAN LIMITED | Private company limited by shares | Dissolved |
| PORTMAN LIMITED | Private company limited by shares | Live |
| Portman Assoc. Inc. Limited | Private company limited by shares | Dissolved |
| Portman Assoc. Inc. Limited | Private company limited by shares | Live |
| PORTMAN CATERING LIMITED | Private company limited by shares | Live |
| Portman China Limited | | Live |
| PORTMAN DEVELOPMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| JOHN PORTMAN & ASSOCIATES EAST ASIA LIMITED | Private company limited by shares | Dissolved |
| Portman Group Limited | Private company limited by shares | Live |
| Portman Global (HK) Limited | Private company limited by shares | Live |
| PORTMAN HOLDING (H. K.) LIMITED | Private company limited by shares | Live |
| PORTMAN HOLDINGS LIMITED | Private company limited by shares | Live |
| PORTMAN INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| Portman International Limited | Private company limited by shares | Dissolved |
| PORTMAN INTERNATIONAL (CHINA) LIMITED | Private company limited by shares | Dissolved |
| Portman International Group Co., Limited -The- | Private company limited by shares | Live |
| PORTMAN INVESTMENTS LIMITED | Private company limited by shares | Live |
| Jone Portman Limited | Private company limited by shares | Live |
| Portman Land Limited | Private company limited by shares | Live |
| GD PORTMAN LOGISTICS HONG KONG LIMITED | Private company limited by shares | Live |
| BELGRAVE & PORTMAN PHOTOGRAPHY (ASIA) LIMITED | Private company limited by shares | Live |
| HONG KONG PORTMAN PUBLISHER CO., LIMITED | Private company limited by shares | Live |
| PORTMAN QUALITY COMPANY LIMITED | Private company limited by shares | Live |
| Portman SCAC Asset Management Co., Limited | Private company limited by shares | Live |
| PORTMAN SQUARE LIMITED | Private company limited by shares | Dissolved |
| Portman Ventures Limited | Private company limited by shares | Live |
| PORTMANN LIMITED | Private company limited by shares | Dissolved |