| Singraphus HK Limited | Private company limited by shares | Live |
| HONGKONG SINGRI TRADE CO., LIMITED | Private company limited by shares | Live |
| SINGRICK ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SINGRIGHT ELECTRONICS COMPANY LIMITED | Private company limited by shares | Live |
| Singron International (HK) Co., Limited | | Live |
| WENZHOU SING-RUI INTERNATIONAL TRADE CO., LIMITED | Private company limited by shares | Live |
| SINGRY INTERNATIONAL GROUP (H.K.) LIMITED | Private company limited by shares | Live |
| SING'S COMPANY LIMITED | Private company limited by shares | Live |
| Win Sing's Company Limited | Private company limited by shares | Live |
| SING'S REFRIGERATION ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINGS INTERNATIONAL LIMITED | Private company limited by shares | Live |
| Sing's Production Company Limited | Private company limited by shares | Live |
| RICHIE SINGS LIMITED | Private company limited by shares | Dissolved |
| SINGS TRADING AND COMPANY LIMITED | Private company limited by shares | Live |
| SINGS WORLD LIMITED | Private company limited by shares | Live |
| SINGSAI GWOKJAM TRADING LIMITED | Private company limited by shares | Live |
| SINGSAM COMPANY LIMITED | Private company limited by shares | Dissolved |
| Singseng Technology Co., Limited | Private company limited by shares | Live |
| HONG KONG SINGSHJAY GROUP GARMENTS LIMITED | Private company limited by shares | Dissolved |
| SING-SIGNET LIMITED | Private company limited by shares | Live |
| Singsin Company Limited | Private company limited by shares | Live |
| SINGSING ASIA LIMITED | | Live |
| SingSing English Company Limited | Private company limited by shares | Live |
| SINGSINGKIDS COMPANY LIMITED | | Live |
| SINGSON ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SINGSON RUBBER INDUSTRIAL GROUP CO., LIMITED | Private company limited by shares | Live |
| SINGSOU CO., LIMITED | | Live |
| SINGSTAR (HK) COMPANY LIMITED | Private company limited by shares | Live |
| SINGSTAR TECHNOLOGY LIMITED | | Live |
| SINGSTAR ELECTRONIC TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| SINGSTAR TECHNOLOGY (INTERNATIONAL) TRADING LIMITED | Private company limited by shares | Live |
| TAK SING-STEELS COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINGSUN COMPANY LIMITED | Private company limited by shares | Live |
| SINGSUN TRADE CO., LIMITED | Private company limited by shares | Live |
| Singsunled Co., Limited | Private company limited by shares | Live |
| SINGTAI LIMITED | Private company limited by shares | Dissolved |
| SINGTAIJIT (HK) TECHNOLOGY LIMITED | | Live |
| Singtao Basketball Training Company Limited | Private company limited by shares | Live |
| SINGTAR COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINGTEC LIMITED | Private company limited by shares | Live |
| SINGTEC INDUSTRY CO., LIMITED | Private company limited by shares | Dissolved |
| SINGTEC SCIENCE TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Dissolved |
| Singtech Enterprise Company Limited | | Live |
| SINGTECT INVESTMENT INTERNATIONAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| Singtek Technology (HK) Co., Limited | Private company limited by shares | Live |
| SINGTEX LIMITED | Private company limited by shares | Dissolved |
| SINGTEX ENTERPRISE (CHINA) LIMITED | Private company limited by shares | Dissolved |
| Singtex Trading Limited | Private company limited by shares | Live |
| SINGTEX YARN LIMITED | Private company limited by shares | Dissolved |
| SINGTHO RESOURCES LIMITED | Private company limited by shares | Live |
| SINGTHONG (HK) LIMITED | Private company limited by shares | Dissolved |
| Singto Technology (HK) Co., Limited | Private company limited by shares | Live |
| SINGTO INDUSTRIAL COMPANY LIMITED | Private company limited by shares | Live |
| SINGTO TRADING LIMITED | Private company limited by shares | Live |
| SINGTON LIMITED | Private company limited by shares | Dissolved |
| SINGTON TIN BOX LIMITED | Private company limited by shares | Live Commenced dormancy on 17-Mar-2010 |
| Sington Cans Limited | Private company limited by shares | Live |
| Singtone Telecommunication Trading Limited | Private company limited by shares | Live |
| HK SingTown Technology Co., Limited | Private company limited by shares | Live |
| Singtrend Limited | | Live |
| Singtuit Limited | Private company limited by shares | Live |
| Singuard Limited | | Live |
| SINGULAR LIMITED | Private company limited by shares | Dissolved |
| Singularads Limited | | Live |
| SingularDTV Hongkong Limited | Private company limited by shares | Live |
| Singularister Limited | | Live |
| Singulariteam HK Limited | Private company limited by shares | Dissolved |
| Singularity Limited | Private company limited by shares | Dissolved |
| Singularity Limited | Private company limited by shares | Live |
| SINGULARITY LAB LIMITED | Private company limited by shares | Live |
| LAB SINGULARITY LIMITED | Private company limited by shares | Live |
| New Singularity Limited | Private company limited by shares | Live |
| SINGULARITY INC LIMITED | | Live |
| Singularity Capital HK Limited | Private company limited by shares | Live |
| Singularity Business Co., Limited | Private company limited by shares | Live |
| HK Singularity Intelligent Education Limited | Private company limited by shares | Live |
| Singularity Interactive Entertainment Limited | | Live |
| Singularity Financial Limited | Private company limited by shares | Live |
| Singularity Future Co., Limited | | Live |
| SINGULARITY CAPITAL GLOBAL LIMITED | Private company limited by shares | Live |
| SINGULARITY HOLDING LIMITED | Private company limited by shares | Live |
| Aladdin Singularity Holding Limited | Private company limited by shares | Live |
| SINGULARITY ACT (HONG KONG) LIMITED | | Live |
| Singularity Power (Hong Kong) Company Limited | Private company limited by shares | Live |
| SINGULARITY INTERACTIVE LIMITED | Private company limited by shares | Live |
| SINGULARITY GRAND INVESTMENT LIMITED | | Live |
| Singularity x Investments Limited | Private company limited by shares | Live |
| Singularity Asset Management Co., Limited | Private company limited by shares | Live |
| SINGULARITY INVESTMENT MANAGEMENT LIMITED | Private company limited by shares | Live |
| SINGULARITY SEMI LIMITED | | Live |
| SHANGHAI SINGULARITY IMP&EXP CO., LIMITED | Private company limited by shares | Live |
| SINGULARITY SOFTWARE LIMITED | Private company limited by shares | Live |
| Singularity Systems HK Limited | Private company limited by shares | Live |
| SINGULARITY TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SINGULARITY AI TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Singularity Network Technology Limited | Private company limited by shares | Live |
| Singularity Trading Limited | Private company limited by shares | Live |
| Vision Singularity Limited | Private company limited by shares | Live |
| SINGULUS VIKA CHINA LIMITED | Private company limited by shares | Dissolved |
| Singumedia Limited | | Live |