| SYNAA COLLECTION LIMITED | Private company limited by shares | Dissolved |
| SYNAE MICRO-ELECTRONICS (HK) CO., LIMITED | Private company limited by shares | Dissolved |
| SYNAESTHETICS CREATIVE LIMITED | Private company limited by shares | Live |
| SYNAMIC HAB LIMITED | Private company limited by shares | Live |
| Synamic Technology Limited | Private company limited by shares | Live |
| SYNANDRA LIMITED | Private company limited by shares | Dissolved |
| MYO Synanto Limited | Private company limited by shares | Live |
| SYNAPS LIMITED | Private company limited by shares | Live |
| SYNAPSE COMPANY LIMITED | Private company limited by shares | Live |
| Arc Synapse Limited | Private company limited by shares | Live |
| Synapse Asia Limited | Private company limited by shares | Live |
| Synapse Software (Asia) Limited | Private company limited by shares | Live |
| Synapse Capital Limited | Private company limited by shares | Live |
| SYNAPSE (CHINA) LIMITED | Private company limited by shares | Live |
| SYNAPSE CONSULTING LIMITED | Private company limited by shares | Live |
| SYNAPSE FINANCIAL TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| SYNAPSE GROUP LIMITED | Private company limited by shares | Dissolved |
| SYNAPSE INVESTMENT LIMITED | Private company limited by shares | Live |
| Synapse Design Automation (Hong Kong) Limited | Private company limited by shares | Live |
| SYNAPSE LOGIC PTE LIMITED | Private company limited by shares | Live |
| Synapse Capital Management Limited | Private company limited by shares | Live |
| Synapse Health Management Limited | Private company limited by shares | Live |
| SYNAPSE MEDICAL CENTRE LIMITED | Private company limited by shares | Live |
| SYNAPSE MICROELECTRONICS LIMITED | Private company limited by shares | Dissolved |
| Synapse Network Company Limited | Private company limited by shares | Live |
| SYNAPSE PACIFIC LIMITED | Private company limited by shares | Dissolved |
| SYNAPSE TECH COMPANY LIMITED | Private company limited by shares | Live |
| Synapse Technology Company Limited | Private company limited by shares | Live |
| SYNAPSE THERAPEUTICS LIMITED | Private company limited by shares | Live |
| SYNAPSEWORLD LIMITED | Private company limited by shares | Dissolved |
| SYNAPSIS CONSULTING LIMITED | Private company limited by shares | Live |
| SYNAPSIS INDUSTRIAL CO., LIMITED | Private company limited by shares | Dissolved |
| SYNAPSYS CONSULTING LIMITED | Private company limited by shares | Dissolved |
| SYNAPTIC GAP LIMITED | Private company limited by shares | Live |
| SYnapTiK Limited | Private company limited by shares | Dissolved |
| HK Synaptogen Limited | | Live |
| Maeandere SynapxCardz Limited | Private company limited by shares | Live |
| SYNAPZES CREATION LIMITED | Private company limited by shares | Live |
| SYNASIA LIMITED | Private company limited by shares | Live |
| SYNATEC CO., LIMITED | Private company limited by shares | Dissolved |
| Synative Limited | Private company limited by shares | Live |
| Synaty Limited | Private company limited by shares | Live |
| Synauto Co., Limited | | Live |
| SYNAX HOLDING LIMITED | Private company limited by shares | Live |