| SONY KITCHEN SANITARY STOCK CO., LIMITED | Private company limited by shares | Dissolved |
| HK SONY INT'L ELECTRICIAN TECHNOLOGICAL DEV. LIMITED | Private company limited by shares | Dissolved |
| AMERICA&JAPAN SONY TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| SONY TECHNOLOGY (GROUP) LIMITED | Private company limited by shares | Dissolved |
| Sony Pictures Television (HK) Limited | Private company limited by shares | Live |
| SONY TRADING LIMITED | Private company limited by shares | Dissolved |
| H.K SONY ELECTRIC TRADING GROUP LIMITED | Private company limited by shares | Dissolved |
| SONYA LIMITED | Private company limited by shares | Live |
| SONYA CONNECT LIMITED | | Live |
| SONYA Investments HK Limited | | Live |
| SONYA MADDEN LIMITED | Private company limited by shares | Live |
| Sonya.Dior (China) Technology Co., Limited | Private company limited by shares | Dissolved |
| Sonyi Trading Limited | Private company limited by shares | Live |
| SONYIN LIMITED | Private company limited by shares | Dissolved |
| SONYIN GROUP LIMITED | Private company limited by shares | Live |
| SONYMAX LIMITED | Private company limited by shares | Dissolved |
| SONYON ELECTRICS (HK) INTERNATIONAL INDUSTRY LIMITED | Private company limited by shares | Dissolved |
| HONG KONG SONYON ELECTRICS INTERNATIONAL INDUSTRY LIMITED | Private company limited by shares | Dissolved |
| Sonytek Display Co., Limited | | Live |
| SONYUE TRADE LIMITED | Private company limited by shares | Live |