| SINCERELY MEDICAL GROUP LIMITED | Private company limited by shares | Live |
| SINCERELY PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| SINCERELY YOURS TECHNO POINT LIMITED | Private company limited by shares | Live |
| SINCERELY TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| Sincerely Technology Limited | | Live |
| SINCERELY TRADING COMPANY LIMITED | Private company limited by shares | Live |
| TOP SINCERELY TRADING LIMITED | Private company limited by shares | Live |
| Yours Sincerely Yada Company Limited | | Live |
| Yours Sincerely Company Limited | Private company limited by shares | Live |
| Sincere's Way Company Limited -The- | Private company limited by shares | Dissolved |
| 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 |
| SINCERETECH LIMITED | Private company limited by shares | Dissolved |
| SINCERETY TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| SINCEREWARD LIMITED | Private company limited by shares | Dissolved |