| Company Name | Type | Status |
|---|---|---|
| REALTEC LIMITED | Private company limited by shares | Live |
| REALTECH LIMITED | Private company limited by shares | Live |
| REALTECH AUTOMATION COMPANY LIMITED | Private company limited by shares | Live |
| REALTECH ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| HK REALTECT SECURITY EQUIPMENT CO., LIMITED | Private company limited by shares | Live |