| SYNCH LIMITED | Private company limited by shares | Live |
| SYNCHEM LIMITED | Private company limited by shares | Live |
| SYNCHEM ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SYNCHEM ENTERPRISES LIMITED | Private company limited by shares | Live |
| SYNCHEMER CO., LIMITED | Private company limited by shares | Live |
| SYNCHEMIE COMPANY LIMITED | Private company limited by shares | Live |
| SynchoTrading Limited | | Live |
| SYNCHRO PRO LIMITED | Private company limited by shares | Live |
| Synchro Consulting Limited | Private company limited by shares | Live |
| SYNCHRO CONSULTING INTERNATIONAL LIMITED | Private company limited by shares | Live |
| Synchro International Education Co. Limited | Private company limited by shares | Live |
| FIRST GLOBAL SYNCHRO EDUCATION LIMITED | Private company limited by shares | Dissolved |
| SYNCHRO OVERSEAS EDUCATION COMPANY LIMITED | Private company limited by shares | Live |
| Synchro Technology Limited | Private company limited by shares | Live |
| Synchrodots Limited | | Live |
| SynchroKnot Limited | | Live |
| SynchroLife, Limited | Private company limited by shares | Live |
| Synchromax Entertainment Company Limited | Private company limited by shares | Live |
| Synchron Limited | Private company limited by shares | Live |
| Tech Synchron Limited | Private company limited by shares | Live |
| SYNCHRONGAIN GLOBAL HOLDING LIMITED | Private company limited by shares | Live |
| SYNCHRONICITY LIMITED | Private company limited by shares | Live |
| Synchronise Trading Limited | Private company limited by shares | Live |
| SYNCHRONIZE CONSULTANTS LIMITED | Private company limited by shares | Live |
| SYNCHRONIZE TRADING ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| Synchronizer Golf Co., Limited | Private company limited by shares | Dissolved |
| SYNCHRONOUS LIMITED | | Live |
| Synchrony Association Limited | | Live |
| Synchub Media Limited | Private company limited by shares | Live |