| Synergy Investment (SPK) Limited | Private company limited by shares | Live |
| SPORTS SYNERGY LIMITED | Private company limited by shares | Live |
| Spring Synergy International Limited | Private company limited by shares | Live |
| STAR SYNERGY LIMITED | Private company limited by shares | Dissolved |
| SYNERGY STAR LIMITED | Private company limited by shares | Dissolved |
| STAR SYNERGY LIMITED | Private company limited by shares | Live |
| SYNERGY STAR ASIA LIMITED | Private company limited by shares | Dissolved |
| Synergy steel Limited | | Live |
| SYNERGY STRATEGIC LIMITED | Private company limited by shares | Dissolved |
| Synergy Strategy Company Limited | Private company limited by shares | Live |
| SYNERGY SUCCESS LIMITED | Private company limited by shares | Live |
| Success Synergy Limited | Private company limited by shares | Live |
| SUMMIT SYNERGY LIMITED | Private company limited by shares | Live |
| Superior Synergy International Consulting Limited | Private company limited by shares | Live |
| Superior Synergy (HK) International Consulting Limited | Private company limited by shares | Live |
| Synergy Support Group Limited | Private company limited by shares | Live |
| PACIFIC SYNERGY DAY SURGERY LIMITED | Private company limited by shares | Live |
| SYNERGY SURVEYOR LIMITED | Private company limited by shares | Dissolved |
| SYNERGY SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| SYNERGY SYSTEMS LIMITED | Private company limited by shares | Live |
| Synergy Systems Integration Limited | Private company limited by shares | Live |
| Team Synergy Company Limited | Private company limited by shares | Live |
| Tech Synergy Company Limited | Private company limited by shares | Live |
| SYNERGY TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| SYNERGY TECHNOLOGIES (ASIA) LIMITED | Private company limited by shares | Live |
| SYNERGY TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| SYNERGY TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| LI WEI SYNERGY TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SYNERGY HK TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Synergy Flow Technology Co., Limited | | Live |
| Synergy Green Technology Limited | Private company limited by shares | Live |
| Green Technology Synergy Limited | | Live |
| Synergy Group Technology Company Limited | Private company limited by shares | Live |
| SYNERGY LIGHTING TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Synergy Ocean Technology Limited | Private company limited by shares | Live |
| SYNERGY OPTICS TECHNOLOGY LIMITED | Private company limited by shares | Live Commenced dormancy on 04-Feb-2014 |
| Rich Synergy Technology Limited | | Live |
| Synergy Success Technology Limited | Private company limited by shares | Live |
| SYNERGY TECHNOLOGY SYSTEMS COMPANY LIMITED | Private company limited by shares | Dissolved |
| Synergy Systems Technology Limited | Private company limited by shares | Live |
| Synergy Telecom Co., Limited | Private company limited by shares | Live |
| SYNERGY TELECOM DEVELOPMENT COMPANY LIMITED | Private company limited by shares | Live |
| SYNERGY TEXTILE COMPANY LIMITED | Private company limited by shares | Live |
| Synergy Tool MFG Co., Limited | Private company limited by shares | Live |
| SYNERGY TOPRICH LIMITED | Private company limited by shares | Live |
| Total Synergy Technology Limited | Private company limited by shares | Live |
| TRADE SYNERGY LIMITED | Private company limited by shares | Live |
| Synergy Trade Limited | Private company limited by shares | Live |
| SYNERGY TEAM TRADE CO., LIMITED | Private company limited by shares | Live |
| OCEAN TRADE SYNERGY LIMITED | | Live |
| SYNERGY TRADING LIMITED | Private company limited by shares | Dissolved |
| SYNERGY TRADING COMPANY LIMITED | Private company limited by shares | Live |
| Synergy Oil Trading Limited | Private company limited by shares | Live |
| SYNERGY ADVERTISING AND TRADING LIMITED | Private company limited by shares | Dissolved |
| Synergy Trading (Asia) Limited | Private company limited by shares | Live |
| BLESSED SYNERGY TRADING LIMITED | Private company limited by shares | Live |
| SYNERGY TRADING INVESTMENT COMPANY LIMITED | Private company limited by shares | Live |
| Synergy Pacific Trading Limited | Private company limited by shares | Live |
| Synergy (Asia Pacific) Trading Limited | Private company limited by shares | Live |
| Sunrise Synergy Trading Limited | Private company limited by shares | Live |
| TransAtlantic Synergy Trading Co. Limited | Private company limited by shares | Live |
| Synergy Training Limited | | Live |
| SYNERGY TRAINING CENTRE LIMITED | Private company limited by shares | Live |
| Synergy Management and Training Consultancy Limited | Private company limited by shares | Live |
| SYNERGY PLUS TRAINING AND CONSULTANCY LIMITED | Private company limited by shares | Live |
| SYNERGY OIL TRANSPORTATION COMPANY LIMITED | Private company limited by shares | Dissolved |
| SYNERGY TRANSPORTATION COMPANY LIMITED | Private company limited by shares | Live |
| Synergy Transworld China Limited | Private company limited by shares | Live |
| SYNERGY TRAVEL SERVICE LIMITED | Private company limited by shares | Live |
| SYNERGY TRIPOD LIMITED | Private company limited by shares | Live |
| TRUE SYNERGY LIMITED | Private company limited by shares | Live |
| Synergy Underwriting Limited | Private company limited by shares | Live |
| Synergy Union Limited | Private company limited by shares | Dissolved |
| UNIVERSAL SYNERGY INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| SYNERGY U-PLUS LIMITED | Private company limited by shares | Live |
| SYNERGY VENTURES LIMITED | Private company limited by shares | Dissolved |
| GLOBAL SYNERGY VENTURES LIMITED | Private company limited by shares | Live |
| Synergy Social Ventures Limited | Company limited by guarantee | Live |
| VEPO SYNERGY LIMITED | Private company limited by shares | Live |
| Synergy Vision Company Limited | Private company limited by shares | Live |
| Synergy Wealth Limited | Private company limited by shares | Dissolved |
| Weihua Synergy Gases HK Limited | | Live |
| WELL SYNERGY LIMITED | Private company limited by shares | Live |
| WELL SYNERGY INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SYNERGY OF WELLNESS LIMITED | Private company limited by shares | Live |
| Synergy Wellness Co., Limited | Private company limited by shares | Live |
| WHOLEWORLD INVESTMENT SYNERGY LIMITED | Private company limited by shares | Dissolved |
| SYNERGY WINE LIMITED | Private company limited by shares | Live |
| Wisdom Synergy Limited | Private company limited by shares | Live Commenced dormancy on 02-May-2014 |
| Synergy Wisdom Limited | Private company limited by shares | Live |
| WISDOM SYNERGY LIMITED | Private company limited by shares | Live |
| Wise Synergy Company Limited | Private company limited by shares | Live |
| Synergy Workshop Limited | Private company limited by shares | Live |
| SYNERGY WORLD LIMITED | Private company limited by shares | Live |
| WORLD SYNERGY INVESTMENT LIMITED | Private company limited by shares | Live |
| Synergy World Wide Trading Co., Limited | Private company limited by shares | Live |
| SYNERGY WORLDCOM LIMITED | Private company limited by shares | Dissolved |
| SYNERGY WORLDWIDE LIMITED | Private company limited by shares | Live |
| SYNERGY WORLDWIDE ENTERPRISE LIMITED | Private company limited by shares | Live |
| SYNERGY WORLDWIDE (HK) LIMITED | Private company limited by shares | Live |