| Sinde Business Co., Limited | Private company limited by shares | Live |
| SINHO SINDE LIMITED | Private company limited by shares | Live |
| SINDEBAD INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| Sindeer Toys Limited | | Live |
| Hong Kong Sindelin Trading Co., Limited | Private company limited by shares | Live |
| ITALY SINDELONG GARMENT GROUP (H.K.) LIMITED | Private company limited by shares | Dissolved |
| SINDEN COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINDER ADVERTISING AGENCY LIMITED | Private company limited by shares | Dissolved |
| SINDER TELECOMMUNICATIONS ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| SINDER GROUP CO., LIMITED | Private company limited by shares | Live |
| SINDER INDUSTRY CO., LIMITED | Private company limited by shares | Dissolved |
| HK Sinder Technology and Trade Limited | | Live |
| Sinder International Trade Co., Limited | Private company limited by shares | Dissolved |
| SINDER RICH TRADING LIMITED | Private company limited by shares | Live |
| SINDERING COMPANY LIMITED | Private company limited by shares | Live |
| SINDERLAND LIMITED | Private company limited by shares | Dissolved |
| Sindesheng Trading Co., Limited | Private company limited by shares | Live |
| SINDEX LIMITED | Private company limited by shares | Dissolved |
| SINDEX LIMITED | Private company limited by shares | Dissolved |
| SINDEX LIMITED | Private company limited by shares | Live |
| SINDEX ENTERPRISES LIMITED | Private company limited by shares | Live |
| SINDEX INVESTMENT LIMITED | Private company limited by shares | Live |
| SINDEX PUBLIC RELATIONS AND ADVERTISING LIMITED | Private company limited by shares | Dissolved |