| TECHCON LIMITED | Private company limited by shares | Dissolved |
| TECHCON ART CENTRE LIMITED | Private company limited by shares | Dissolved |
| TECHCON ELECTRICAL LIMITED | Private company limited by shares | Live |
| TECHCON GROUP LIMITED | Private company limited by shares | Live |
| TECHCON INVESTMENT LIMITED | Private company limited by shares | Live |
| TECHCON METAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| TechConcepts Limited | | Live |
| TECHCONE TECHNOLOGIES (HONGKONG) LIMITED | Private company limited by shares | Dissolved |
| TECHCONIC SYSTEM LIMITED | Private company limited by shares | Dissolved |
| TechConnect Limited | | Live |
| TECHCONNECT.C LIMITED | Private company limited by shares | Live |
| TECHCONSULT BM LIMITED | Private company limited by shares | Live |