| U. SMEC LIMITED | Private company limited by shares | Dissolved |
| SMEC HK LIMITED | Private company limited by shares | Dissolved |
| SMEC LIMITED | Private company limited by shares | Live |
| SMEC ASIA LIMITED | Private company limited by shares | Live |
| SMEC CERTIFICATION COMPANY LIMITED | Private company limited by shares | Live |
| SMECARE LIMITED | Private company limited by shares | Dissolved |
| SMECARE.COM LIMITED | Private company limited by shares | Dissolved |
| SMECO LIMITED | Private company limited by shares | Dissolved |
| SME-CONNECT.COM LIMITED | Private company limited by shares | Dissolved |