| SERVING BRITISH STANDARDS HK LIMITED | Private company limited by shares | Dissolved |
| CHINA SERVING OFFICERS CONTINUE EDUCATION RESEARCH CENTER CO., LIMITED | Private company limited by shares | Live |
| EK INDUSTRIAL TRADING AND SERVING CO., LIMITED | Private company limited by shares | Live |
| M & S CONSULT & SERVING COMPANY LIMITED | Private company limited by shares | Live |
| China Zhangyin Gold Serving International Group Co., Limited | Private company limited by shares | Live |
| HONGKONG CHINA CREDIT MANAGEMENT TECHNOLOGY SERVING LIMITED | Private company limited by shares | Dissolved |
| JENNY SERVING LIMITED | Private company limited by shares | Dissolved |
| MERCANTILE SERVING LIMITED | Private company limited by shares | Dissolved |
| J & Y Trading And Serving Limited | Private company limited by shares | Live |
| Sophia Trading And Serving Limited | Private company limited by shares | Live |