| SYNCO LIMITED | Private company limited by shares | Live |
| SYNCO GLOBAL LIMITED | Private company limited by shares | Live |
| SYNCO GLOBAL TRADING LIMITED | Private company limited by shares | Live |
| SYNCO GROUP LIMITED | Private company limited by shares | Live |
| SYNCO (H.K.) LIMITED | Private company limited by shares | Live |
| SYNCO INTERNATIONAL (H.K.) CO. LIMITED | Private company limited by shares | Dissolved |
| SYNCO (HK) IMPORT EXPORT CO., LIMITED | Private company limited by shares | Dissolved |
| SYNCO INTERNATIONAL INDUSTRIAL LIMITED | Private company limited by shares | Live |
| SYNCO INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SYNCO INTERNATIONAL LIMITED | Private company limited by shares | Live |
| Synco Marketing Limited | Private company limited by shares | Live |
| SYNCO MOTOR COMPANY LIMITED | Private company limited by shares | Live |
| SYNCO TECH COMPANY LIMITED | Private company limited by shares | Dissolved |
| SYNCO TECHNOLOGY (HONGKONG) LIMITED | Private company limited by shares | Live |
| SYNCOLAS APPAREL CO., LIMITED | Private company limited by shares | Dissolved |
| SYNCOLOUR LIMITED | Private company limited by shares | Live |
| Syncom Limited | Private company limited by shares | Live |
| SYNCOMM TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| SYN-CONCEPTS LIMITED | Private company limited by shares | Live |
| Synconexus Limited | | Live |
| SYNCON-LOTUS INSURANCE AGENTS LIMITED | Private company limited by shares | Live |
| SYNCON-LOTUS (H.K.) LIMITED | Private company limited by shares | Dissolved |
| SYNCOPART (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| Syncopate Limited | Private company limited by shares | Live |
| SYNCORD 3D TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SYNCORDIA CONSULTANCY LIMITED | Private company limited by shares | Live |
| SYNCORE HOLDING CO., LIMITED | Private company limited by shares | Live |
| SYNCORE COMMODITIES LIMITED | Private company limited by shares | Live |
| Syncore Energy Technology Limited | Private company limited by shares | Live |
| Syncore International Limited | Private company limited by shares | Live |
| SYNCORP LIMITED | Private company limited by shares | Dissolved |
| SYNCOTEX LIMITED | Private company limited by shares | Dissolved |
| SYNCOW COMPANY LIMITED | Private company limited by shares | Dissolved |