| STARTAC LIMITED | Private company limited by shares | Dissolved |
| STARTAC LIMITED | Private company limited by shares | Live |
| STARTAC ASIA LIMITED | Private company limited by shares | Dissolved |
| STARTAC CREATIVE LIMITED | Private company limited by shares | Dissolved |
| STARTAC ENTERPRISES LIMITED | Private company limited by shares | Live |
| STARTAC INVESTMENTS LIMITED | Private company limited by shares | Live |
| STARTAC MERCHANDISING LIMITED | | Live |
| STARTAC PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| STARTAC TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| STARTAC TRADING LIMITED | Private company limited by shares | Live |
| StarTai HK Limited | Public company limited by shares | Live |
| STARTAKE INVESTMENTS LIMITED | Private company limited by shares | Live |
| STARTALE LIMITED | Private company limited by shares | Live |
| STARTAN COMPANY LIMITED | Private company limited by shares | Dissolved |
| STARTAPPS LIMITED | Private company limited by shares | Live |
| Start.Art.HK Limited | Private company limited by shares | Live |
| Start-Asia Limited | Private company limited by shares | Live Commenced dormancy on 05-Nov-2014 |