| SBS TECH.COM LIMITED | Private company limited by shares | Live |
| TECHCOM (ASIA) LIMITED | Private company limited by shares | Dissolved |
| TechCom Aviation Service Limited | Private company limited by shares | Live |
| TECHCOM CIRCUITS LIMITED | Private company limited by shares | Live |
| TECHCOM CONSULTANCY LIMITED | Private company limited by shares | Dissolved |
| Techcom Technology and Consultants Limited | Private company limited by shares | Live |
| TECHCOM DEVELOPMENT (HK) LIMITED | Private company limited by shares | Dissolved |
| TECHCOM ELECTRONICS (ASIA) LIMITED | Private company limited by shares | Live |
| TECH-COM ENTERPRISES, LIMITED | Private company limited by shares | Dissolved |
| MOUNT FIELD TECHCOM LIMITED | Private company limited by shares | Dissolved |
| TECHCOM (HK) LIMITED | Private company limited by shares | Dissolved |
| TECH-COM (HK) LIMITED | Private company limited by shares | Dissolved |
| TECHCOM INTERNATIONAL LIMITED | Private company limited by shares | Live |
| FAIRYLAND INTERNATIONAL TECH&COM LIMITED | Private company limited by shares | Live |
| TECHCOM INTERNATIONAL (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| MEGA TECHCOM LIMITED | Private company limited by shares | Live |
| TECHCOM PRODUCTION LIMITED | Private company limited by shares | Live |
| TECHCOM SECURITY TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SUN TECHCOM SERVICES LIMITED | Private company limited by shares | Live |
| TECHCOM SYSTEM LIMITED | Private company limited by shares | Dissolved |
| TECHCOM TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| TECHCOM TRADING LIMITED | Private company limited by shares | Live |
| V-NET TECHCOM COMPANY LIMITED | Private company limited by shares | Live |
| TECHCOME COMMUNICATION GROUP LIMITED | Private company limited by shares | Dissolved |
| TECHCOME INTERNATIONAL DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| TECHCOMM LIMITED | Private company limited by shares | Dissolved |
| TECHCOMM DIGITAL LIMITED | Private company limited by shares | Live |
| TECHCOMM ELECTRONICS LIMITED | Private company limited by shares | Live |
| Techcomm International Limited | Private company limited by shares | Live Commenced dormancy on 12-Jul-2013 |
| TECHCOMM SOLUTIONS LIMITED | Private company limited by shares | Live |
| TECHCOMM TECHNOLOGY LIMITED | Private company limited by shares | Live |
| TECH-COMMUNICATION ENG. LIMITED | Private company limited by shares | Live |
| TECHCOMP LIMITED | Private company limited by shares | Live |
| TECHCOMP MACHINERY COMPANY LIMITED | Private company limited by shares | Dissolved |
| TECHCOMP SCIENTIFIC LIMITED | Private company limited by shares | Live |