| BETAT LIMITED | Private company limited by shares | Live |
| BETAT INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| BETATEC LIMITED | Private company limited by shares | Dissolved |
| BETATECH COMPANY LIMITED | Private company limited by shares | Live |
| Beta-tech Limited | | Live |
| Betatek Limited | | Live |
| BETATIN DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| Betatron Limited | Private company limited by shares | Live |
| BETATRONIC INDUSTRY LIMITED | Private company limited by shares | Dissolved |
| BETATRONICS LIMITED | Private company limited by shares | Dissolved |