| WESTA LIMITED | Private company limited by shares | Dissolved |
| WESTA LIMITED | Private company limited by shares | Dissolved |
| WESTA LIMITED | Private company limited by shares | Dissolved |
| WESTA ELECTRIC LIMITED | Private company limited by shares | Live |
| WESTABBEY INTERNATIONAL LIMITED | Private company limited by shares | Live |
| Westacks Limited | Private company limited by shares | Live |
| WESTAD FAR EAST LIMITED | Private company limited by shares | Dissolved |
| WESTAHEAD LIMITED | Private company limited by shares | Live |
| WESTAL LIMITED | Private company limited by shares | Dissolved |
| WESTAL INTERNATIONAL LIMITED | Private company limited by shares | Live |
| WESTAL INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| WESTAL TRADING LIMITED | Private company limited by shares | Dissolved |
| Westam Group Limited | Private company limited by shares | Live |
| WESTANE LIMITED | Private company limited by shares | Dissolved |
| WESTAR LIMITED | Private company limited by shares | Dissolved |
| WESTAR LIMITED | Private company limited by shares | Live |
| WESTAR ENTERTAINMENT LIMITED | Private company limited by shares | Live |
| WESTAR TRADE LIMITED | Private company limited by shares | Live |
| WESTARFX LIMITED | Private company limited by shares | Live |
| WeStart Limited | Private company limited by shares | Live |
| WESTART TECHNOLOGY LIMITED | Private company limited by shares | Live |
| WESTARTIN GLOBAL CULTURE EXCHANGE NETWORK LIMITED | Private company limited by shares | Live |
| WESTASH COMPANY LIMITED | Private company limited by shares | Dissolved |
| WESTASTON (US) COMPANY LIMITED | Private company limited by shares | Live |
| Westat Limited | Private company limited by shares | Dissolved |
| WESTATES LIMITED | Private company limited by shares | Dissolved |
| WESTAUS LIMITED | Private company limited by shares | Dissolved |
| WESTAUS INTERNATIONAL LIMITED | Private company limited by shares | Live |