| Company Name | Type | Status |
|---|---|---|
| Sincerest Consultancy Company Limited | Private company limited by shares | Live |
| Sincerest Engineering Company Limited | Private company limited by shares | Live |
| SINCEREST EXPRESS COMPANY LIMITED | Private company limited by shares | Live |
| RF SINCEREST INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SINCEREST MANAGEMENT LIMITED | Private company limited by shares | Live |
| SINCEREST INTERNATIONAL TRADING (HK) LIMITED | Live |