| WELTA LIMITED | Private company limited by shares | Live |
| WELTAC ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| WELTACT INVESTMENT LIMITED | Private company limited by shares | Live |
| WELTAI LIMITED | Private company limited by shares | Dissolved |
| WELTAK LIMITED | Private company limited by shares | Live |
| WelTal Technology Company Limited | Private company limited by shares | Live |
| Hong Kong weltalk Technology Co., Limited | Private company limited by shares | Live |
| WELTAN LIMITED | Private company limited by shares | Live |
| WELTAP LIMITED | Private company limited by shares | Dissolved |
| WELTAX LIMITED | Private company limited by shares | Live |