| SYNICHE INDUSTRIAL CO. LIMITED | Private company limited by shares | Live |
| HONGKONG SYNID OFFICE CONSUMABLE CO., LIMITED | Private company limited by shares | Dissolved |
| HONGKONG SYNID IMPORT AND EXPORT CO., LIMITED | Private company limited by shares | Live |
| SYNIDEA ELECTRONICS CO., LIMITED | Private company limited by shares | Dissolved |
| SYNIGEA LIMITED | Private company limited by shares | Dissolved |
| Synigence Event Management Limited | Private company limited by shares | Live |
| Synigence Trading Company Limited | Private company limited by shares | Live |
| SYNIHAN LIMITED | Private company limited by shares | Live |
| SYNIKA ESTATE COMPANY LIMITED | Private company limited by shares | Dissolved |
| SYNIMUTH LIMITED | Private company limited by shares | Live |
| SYNITECH LIMITED | | Live |
| SYNIX HK LIMITED | Private company limited by shares | Live |