| ASIA SPORTS SYMBOLS LIMITED | Private company limited by shares | Dissolved |
| Symbols Co., Limited | | Live |
| DANNY SYMBOLS LIMITED | Private company limited by shares | Live |
| SUCCESS SYMBOLS ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SYMBOLS TRADE LIMITED | Private company limited by shares | Live |
| Symboltech HK Limited | Private company limited by shares | Live |
| SYMCON (ASIA) LIMITED | Private company limited by shares | Live |
| SymConsulting Limited | Private company limited by shares | Dissolved |
| SYMCOO TRADING LIMITED | Private company limited by shares | Live |
| SYMCORE LIMITED | Private company limited by shares | Live |
| SYMDIRECT LIMITED | Private company limited by shares | Live |
| SYMEA LIMITED | Private company limited by shares | Live |
| SYMEA FE LIMITED | Private company limited by shares | Live |
| SymeCloud Limited | | Live |
| SYMECO LIMITED | Private company limited by shares | Live Commenced dormancy on 04-Nov-1995 |
| SYMEDIALAB LIMITED | Private company limited by shares | Live |
| SYMEGA ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SYMETR TRADING LIMITED | Private company limited by shares | Live |
| SYMETRIE LIMITED | Private company limited by shares | Dissolved |
| SYMEX LIMITED | Private company limited by shares | Dissolved |
| Symex Limited | | Live |
| SYMFAX LIMITED | Private company limited by shares | Dissolved |
| BELLMAN & SYMFON ASIA LIMITED | Private company limited by shares | Live |
| CLOUD SYMFONY LIMITED | Private company limited by shares | Live |
| SYMGO INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| Symgo Industrial Limited | Private company limited by shares | Live |
| SYMIAN COMPANY LIMITED | Private company limited by shares | Live |
| Symic HK Limited | Private company limited by shares | Live |
| SYMIGI HK LIMITED | Private company limited by shares | Dissolved |
| HK Symiler Technology Co., Limited | | Live |
| SYMILL LIMITED | Private company limited by shares | Dissolved |
| SYMINGTON LIMITED | Private company limited by shares | Dissolved |
| SYMIX LIMITED | Private company limited by shares | Live |
| SYMJOY LIMITED | Private company limited by shares | Live |
| SYMK Investment (Shenzhen) Limited | Private company limited by shares | Live |
| Symkon Limited | Private company limited by shares | Live |
| SYML Limited | Private company limited by shares | Live |
| SYMMARK LIMITED | Private company limited by shares | Dissolved |
| Symmba Limited | Private company limited by shares | Live |
| Symmellion Management Consulting Limited | | Live |
| Symmetree Graphene Co., Limited | Private company limited by shares | Live |
| SYMMETREX LIMITED | Private company limited by shares | Live |
| SYMMETRIC INDUSTRIAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| SYMMETRIC INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SYMMETRIC (MACAU) INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SYMMETRIC PROSPECT LIMITED | Private company limited by shares | Dissolved |
| SYMMETRIC SOLUTIONS LIMITED | Private company limited by shares | Live |
| SYMMETRICOM HONG KONG, LIMITED | Private company limited by shares | Dissolved |
| symmetriK Limited | Private company limited by shares | Live |
| SYMMETRY COMPANY LIMITED | Private company limited by shares | Dissolved |
| SYMMETRY LIMITED | Private company limited by shares | Live |
| SYMMEX LIMITED | Private company limited by shares | Dissolved |
| MULTI SYMOBOL LIMITED | Private company limited by shares | Dissolved |
| SYMOIL PETROLEUM LIMITED | Private company limited by shares | Dissolved |
| Symon HK Limited | Private company limited by shares | Live |
| SYMONS & COMPANY, LIMITED | Private company limited by shares | Dissolved |
| SYMONS COMPANY LIMITED | Private company limited by shares | Dissolved |
| QINGQI GROUP SYMOT MOTORCYCLE CO., LIMITED | Private company limited by shares | Live |
| SYMPA LIMITED | Private company limited by shares | Dissolved |
| BUREAU SYMPA LIMITED | Private company limited by shares | Dissolved |
| SYMPAC INDUSTRIAL CO. LIMITED | Private company limited by shares | Dissolved |
| Sympathetic Hongkong Limited | Private company limited by shares | Live |
| SYMPATHY TRADING CO., LIMITED | Private company limited by shares | Live |
| HONG KONG SYMPHONIA LIMITED -THE- | Company limited by guarantee | Dissolved |
| HONG KONG SYMPHONIA LIMITED -THE- | Company limited by guarantee | Live |
| SYMPHONIC CORDIALITY HK LIMITED | Company limited by guarantee | Live |
| SYMPHONIC CYBERVISION LIMITED | Private company limited by shares | Dissolved |
| SYMPHONIC GLOBALTECH LIMITED | Private company limited by shares | Live |
| SYMPHONIC INFOCOM LIMITED | Private company limited by shares | Dissolved |
| SYMPHONIC NETWORKS LIMITED | Private company limited by shares | Dissolved |
| SYMPHONIC TELEPHONE LIMITED | Private company limited by shares | Dissolved |
| SYMPHONY LIMITED | Private company limited by shares | Dissolved |
| SYMPHONY AMP LIMITED | Private company limited by shares | Dissolved |
| IMS Symphony Limited | Private company limited by shares | Dissolved |
| SYMPHONY HK COMPANY LIMITED | Private company limited by shares | Live |
| Symphony SPV HK Limited | Private company limited by shares | Live |
| SYMPHONY COMPANY LIMITED | Private company limited by shares | Live |
| SYMPHONY ASIA LIMITED | Private company limited by shares | Live |
| AFRICAN SYMPHONY CO., LIMITED | Private company limited by shares | Live |
| SYMPHONY J-TREND SYSTEMS CO., LIMITED | Private company limited by shares | Live |
| SYMPHONY ENTERPRISES LIMITED | Private company limited by shares | Live |
| SYMPHONY ENTERTAINMENT LIMITED | | Live |
| Symphony Garden Limited | Private company limited by shares | Live |
| GLOBAL SYMPHONY ORCHESTRA SOCIETY LIMITED | Company limited by guarantee | Live |
| GRAND SYMPHONY LIMITED | Private company limited by shares | Live |
| SYMPHONY LAND INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| SYMPHONY INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SYMPHONY INVESTMENTS LIMITED | Private company limited by shares | Live |
| SYMPHONY MOVEMENT LIMITED | Private company limited by shares | Live |
| Symphony Music Limited | Private company limited by shares | Live |
| PAN ASIA SYMPHONY ORCHESTRA LIMITED | Company limited by guarantee | Live |
| Asia Symphony Orchestra Limited | Private company limited by shares | Live |
| Greater bay Area Symphony Orchestra Limited | | Live |
| HKSW Symphony Orchestra Company Limited | Private company limited by shares | Live |
| ORIENTAL SYMPHONY LIMITED | Private company limited by shares | Live |
| Symphony Asia Pacific Limited | Private company limited by shares | Live |
| Symphony Quant Limited | Private company limited by shares | Live |
| Symphony Software Limited | Private company limited by shares | Live |
| SYMPHONY ON STAGE LIMITED | Private company limited by shares | Live |
| Symphony Tech A Limited | | Live |