| SuMed Advertising Limited | Private company limited by shares | Dissolved |
| Sumedha Limited | | Live |
| SUMEE INDUSTRIAL LIMITED | Private company limited by shares | Live |
| SUMEGA HONG KONG LIMITED | Private company limited by shares | Dissolved |
| SUMEI LIMITED | Private company limited by shares | Live |
| SUMEIDA TRADE COMPANY LIMITED | Private company limited by shares | Live |
| Germany Sumeier Beer Co., Limited | | Live |
| Sumeilab Co., Limited | Private company limited by shares | Live |
| SUMEISHANG INTERNATIONAL GROUP CO., LIMITED | Private company limited by shares | Live |
| FRANCE SUMEL GROUP HOLDING COMPANY LIMITED | Private company limited by shares | Live |
| SUM-EM ELECTRONIC LIMITED | Private company limited by shares | Live |
| HK SUMER LOGISTIC LIMITED | Private company limited by shares | Live |
| SUMER MICROELECTRONICS LIMITED | Private company limited by shares | Dissolved |
| HONGKONG SUMERAIN GROUP LIMITED | Private company limited by shares | Live |
| HONGKONG SUMERAIN SANITARY INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| Sumerian Telecom Limited | | Live |
| Sumerians Holding Limited | Private company limited by shares | Live |
| Sumeric Company Limited | Private company limited by shares | Live |
| SUMERRA LIMITED | Private company limited by shares | Live |
| SUMERSIDE LIMITED | Private company limited by shares | Live |
| SumerTech HK Limited | Private company limited by shares | Live |
| Grand SumerTech HK Limited | Private company limited by shares | Live |
| Sumeru Limited | | Live |
| SUMERU ART GALLERY CO., LIMITED | Private company limited by shares | Live |
| HK SUMERWIND TRADE LIMITED | Private company limited by shares | Live |
| SUMES-CONTINENTAL LIMITED | Private company limited by shares | Dissolved |
| SUMET JIARAVANON GROUP LIMITED | Private company limited by shares | Live |
| SUMETAL GROUP LIMITED | | Live |