| GAINTEC COMPANY LIMITED | Private company limited by shares | Live |
| GAINTEC INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| GAINTECH LIMITED | Private company limited by shares | Dissolved |
| GAINTECH (H. K.) LIMITED | Private company limited by shares | Live |
| GAINTECH LIMITED | Private company limited by shares | Live |
| GAINTECH CONSTRUCTION COMPANY LIMITED | Private company limited by shares | Live |
| GAINTECH INVESTMENT LIMITED | Private company limited by shares | Live |
| GAINTECH INTERNATIONAL INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| GAINTECH ASIA PACIFIC LIMITED | Private company limited by shares | Dissolved |
| GAINTECH PROPERTY MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| GAINTECK COMPANY LIMITED | Private company limited by shares | Dissolved |
| GAINTECK ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| GAINTECK ENTERPRISES LIMITED | Private company limited by shares | Live |
| GAINTECK INDUSTRIAL LIMITED | Private company limited by shares | Live |
| GAINTECK TRADING LIMITED | Private company limited by shares | Live |