| In Depth Limited | Private company limited by shares | Live |
| Depth of Tao Limited | | Live |
| Depth Co., Limited | Private company limited by shares | Live |
| DEPTH CHINESE INSPECTOR CO., LIMITED | Private company limited by shares | Live |
| Ocean Depth Limited | | Live |
| Depth Offshore Limited | Private company limited by shares | Live |
| In Depth Talent Company Limited | | Live |
| DEPTH TECH LIMITED | Private company limited by shares | Live |
| Depth Technology Limited | | Live |
| HK DEPTH BIOLOGY TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| ULTIMATE DEPTH LIMITED | Private company limited by shares | Live |
| DEPTHEN INTERNATIONAL GROUP LIMITED | Private company limited by shares | Live |
| EASTERN DEPTHS RESEARCH&DEVELOPMENT CO., LIMITED | Private company limited by shares | Live |
| DepthVision Limited | | Live |