| WellSi Trade Company Limited | Private company limited by shares | Live |
| WELLSIDE (HONG KONG) LIMITED | Private company limited by shares | Live |
| WELLSIDE INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| WELLSIDE INTERNATIONAL LIMITED | Private company limited by shares | Live |
| WELLSIDE INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| WELLSIGHT LIMITED | Private company limited by shares | Dissolved |
| WELLSIGHT LIMITED | Private company limited by shares | Live |
| WELLSIGHT INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| WELLSIGN LIMITED | Private company limited by shares | Dissolved |
| Wellsim Technology (Hong Kong) Limited | Private company limited by shares | Live |
| WELLSIM TECHNOLOGY (HONG KONG) LIMITED | Private company limited by shares | Live |
| WELLSIN SHIPPING (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| WELLSIN INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| WELLSIN TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| WELLSING COMPANY LIMITED | Private company limited by shares | Live |
| WELLSINO LIMITED | Private company limited by shares | Live |
| WELLSINO ENTERPRISES LIMITED | Private company limited by shares | Live |
| WELLSINO SHIPPING LIMITED | Private company limited by shares | Dissolved |
| WELLSION TRADE LIMITED | | Live |
| WELLSITED COMPANY LIMITED | Private company limited by shares | Live |