| ULTRATE INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| ULTRATE INVESTMENTS LIMITED | Private company limited by shares | Live |
| ULTRATEAM (HOLDINGS) LIMITED | Private company limited by shares | Dissolved |
| NEW ULTRATECH COMPANY LIMITED | Private company limited by shares | Live |
| ULTRATECH ASIA LIMITED | Private company limited by shares | Live |
| ULTRATECH GROUP (SHENZHEN) LIMITED | Private company limited by shares | Live |
| PACIFIC ULTRATECH LIMITED | Private company limited by shares | Live |
| Royal Ultratech Limited | Private company limited by shares | Live |
| ULTRATECH PLASTIC TECHNOLOGY LIMITED | Private company limited by shares | Live |
| ULTRATEK LIMITED | Private company limited by shares | Live |
| ULTRATEX LIMITED | Private company limited by shares | Dissolved |