| SONNA INDUSTRIAL & TRADING LIMITED | Private company limited by shares | Live |
| Sonnar Limited | Private company limited by shares | Live |
| SONNECA LIMITED | Private company limited by shares | Dissolved |
| SONNECY Holding Co., Limited | | Live |
| SONNEG ASSET LIMITED | Private company limited by shares | Live |
| SONNENBERG LIMITED | Private company limited by shares | Dissolved |
| SONNENBLUME LIMITED | Private company limited by shares | Live |
| GERMANY SONNENSTRAHL GROUP CO., LIMITED | Private company limited by shares | Live |
| SONNER TELECOMMUNICATIONS LIMITED | Private company limited by shares | Live |
| SONNERGATE LIMITED | Private company limited by shares | Live |
| SONNET LIMITED | Private company limited by shares | Dissolved |
| SONNET LIMITED | Private company limited by shares | Dissolved |
| Le Sonnet Company Limited | | Live |
| SONNET CO., LIMITED | Private company limited by shares | Live Commenced dormancy on 29-Feb-2016 |
| Sonnet Creative Limited | Private company limited by shares | Live |
| MCP SONNET INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SONNET INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SONNET INVESTMENTS LIMITED | Private company limited by shares | Live Commenced dormancy on 20-Jul-2005 |
| SONNET BUSINESS SYSTEMS LIMITED | Private company limited by shares | Live |
| SONNETAL LIMITED | Private company limited by shares | Dissolved |
| Sonneteck HK Company Limited | Private company limited by shares | Live |
| Sonneteck TJ Company Limited | Private company limited by shares | Live |
| SONNETT INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SONNEX LIMITED | Private company limited by shares | Live |
| Sonniberg International Co., Limited | | Live |
| SONNIC LIMITED | Private company limited by shares | Dissolved |
| SONNIC LIMITED | Private company limited by shares | Live |
| SONNIC LOGISTIC CO., LIMITED | Private company limited by shares | Dissolved |
| SONNIC CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| SONNIC ENTERPRISES LIMITED | Private company limited by shares | Live |
| SONNIC (HK) LIMITED | Private company limited by shares | Dissolved |
| SONNICA LIMITED | Private company limited by shares | Live |
| SONNICE COMPANY LIMITED | Private company limited by shares | Dissolved |
| SONNING ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SONNIX LIMITED | Private company limited by shares | Live |
| Sonnra Limited | Private company limited by shares | Live |
| SONNY COMPANY LIMITED | Private company limited by shares | Dissolved |
| BEST SONNY LIMITED | Private company limited by shares | Dissolved |
| SONNY ARTS & CRAFTS CO., LIMITED | Private company limited by shares | Live |
| SONNY INTERNATIONAL MEDIA GROUP (HK) CO., LIMITED | Private company limited by shares | Dissolved |
| SONNY CONSTRUCTION CO. LIMITED | Private company limited by shares | Dissolved |
| SONNY DESIGN LIMITED | Private company limited by shares | Live |
| SONNY GROUP LIMITED | | Live |
| SONNY MANUFACTORY LIMITED | Private company limited by shares | Dissolved |
| SUNNY SONNY HK LIMITED | Private company limited by shares | Live |
| Sonny Trading Company Limited | Private company limited by shares | Live |
| HK SONNYEE LIGHTING COMPANY LIMITED | Private company limited by shares | Live |
| HONGKONG SONNYS IMP&EXP INTERNATIONAL TRADING CO., LIMITED | Private company limited by shares | Dissolved |
| SONO MED LIMITED | Private company limited by shares | Live |
| SONOCO LIMITED | Private company limited by shares | Dissolved |
| SONOESS TECHNOLOGY (HONGKONG) CO., LIMITED | Private company limited by shares | Live |
| Sonoff Limited | | Live |
| SONOHOKA LIMITED | Private company limited by shares | Live |
| Sonolife Limited | Private company limited by shares | Live |
| SONOLIFE HK LIMITED | Private company limited by shares | Live |
| SONOMA LIMITED | Private company limited by shares | Dissolved |
| Sonomama Limited | | Live |
| Sono-Medical Logistic & Trading Limited | Private company limited by shares | Live |
| Sonomos Software Limited | Private company limited by shares | Live |
| SONON LIMITED | Private company limited by shares | Live |
| SONON UNIONTECH (HONG KONG) COMPANY LIMITED | Private company limited by shares | Live |
| SONOON INDUSTRY LIMITED | Private company limited by shares | Live |
| Sonop Limited | Private company limited by shares | Live |
| SonoPet-Mobile Limited | Private company limited by shares | Live |
| SONOR COMPANY LIMITED | Private company limited by shares | Live |
| SONORA LIMITED | Private company limited by shares | Live |
| SONORA LIMITED | Private company limited by shares | Live |
| Anzeck Sonorin Medical Limited | Private company limited by shares | Live |
| SONORITY ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SONOROUS LIMITED | Private company limited by shares | Dissolved |
| Sonorus Network Limited | | Live |
| SONOSCAN ASIA PACIFIC LIMITED | Private company limited by shares | Live |
| SONOSCAPE CO., LIMITED | Private company limited by shares | Live |
| SONOSCAPE HONG KONG LIMITED | Private company limited by shares | Dissolved |
| Sonosite Limited | Private company limited by shares | Live |
| Sonoss Limited | Private company limited by shares | Live |
| SONOSTAR LIMITED | Private company limited by shares | Live |
| PRONOT SONOT LIMITED | Private company limited by shares | Dissolved |
| Sonotap Limited | Private company limited by shares | Live |
| SONOTEC FAR EAST LIMITED | Private company limited by shares | Live |
| SONOTECH Limited | Private company limited by shares | Live |
| SONOTEK INDUSTRIAL LIMITED | Private company limited by shares | Live |
| Sonotel O2 Limited | Private company limited by shares | Live |
| SONOTRI HK LIMITED | Private company limited by shares | Dissolved |
| SONOTRONIC HK LIMITED | Private company limited by shares | Live |
| SonoUltrasonic Limited | Private company limited by shares | Live |
| SONOVA Limited | Private company limited by shares | Live |
| SONP INTERNATIONAL ENTERPRISE (HK) LIMITED | Private company limited by shares | Dissolved |
| SON&PARK ASIA LIMITED | Private company limited by shares | Live |
| SONPASY (HONG KONG) COMPANY LIMITED | Private company limited by shares | Dissolved |
| SONPHONE INTERNATIONAL CO., LIMITED | Private company limited by shares | Dissolved |
| HONG KONG SONPRE ELECTRONIC CO., LIMITED | Private company limited by shares | Live |
| SonQuem Limited | Private company limited by shares | Live |
| SONRAJ LIMITED | Private company limited by shares | Live |
| SONREAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| SONRICH INDUSTRIAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| COMERCIAL SONRISA LIMITED | Private company limited by shares | Dissolved |
| SONRISA CONCEPT LIMITED | Private company limited by shares | Live |
| SONRISA DEVELOPMENT COMPANY LIMITED | Private company limited by shares | Live |
| Sonrisa Education Limited | Private company limited by shares | Live |