| SYNERGISTIC ALLIANCE LIMITED | Private company limited by shares | Dissolved |
| SYNERGISTIC MARKETING & CONSULTANCY LIMITED | Private company limited by shares | Dissolved |
| SYNERGISTIC HEALTHCARE DISTRIBUTION (HK) COMPANY LIMITED | Private company limited by shares | Live |
| SYNERGISTIC SOLUTIONS (HONG KONG) LIMITED | Private company limited by shares | Live |
| SYNERGISTIC INDUSTRIAL LIMITED | Private company limited by shares | Live |
| ONE SYNERGISTIC INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SYNERGISTIC INTERNATIONAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| Synergistic Solution Limited | | Live |
| Synergistic Traffic Limited | Private company limited by shares | Live |
| SYNERGISTICS LIMITED | Private company limited by shares | Live |
| SYNERGISTICS RESEARCH (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| SYNERGISTICS INTERNATIONAL, LIMITED | Private company limited by shares | Dissolved |