| WELSON LIMITED | Private company limited by shares | Dissolved |
| WELSON LIMITED | Private company limited by shares | Live |
| WELSONIC LIMITED | Private company limited by shares | Dissolved |
| WELSONIC ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| WELSONIC INDUSTRIAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| WELSONIC INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| WELSONIC INVESTMENT LIMITED | Private company limited by shares | Live |
| WELSONIC TRADING COMPANY LIMITED | Private company limited by shares | Live |