| Professional Detective & Investigation Service Limited | Private company limited by shares | Live |
| UNIVERSAL PROFESSIONAL DETECTIVE LIMITED | Private company limited by shares | Dissolved |
| RAVEN DETECTIVE LIMITED -THE- | Private company limited by shares | Live |
| SEARCH BIG PRIVATE DETECTIVE LIMITED | Private company limited by shares | Live |
| Private Detective Searching For People Limited | Private company limited by shares | Live |
| CHINA AVATAR DETECTIVE SERVICES LIMITED | Private company limited by shares | Live |
| Shanghai Lieying Private Private Detective Survey Limited | Private company limited by shares | Live |
| Suzhou Wuxi Changzhou Jiangnan Detective International Business Security Survey (Private Detective) Limited | Private company limited by shares | Live |
| Private Detective Survey Limited | Private company limited by shares | Live |
| Pingan Detective Agency (SZHKM) Limited | Private company limited by shares | Live |
| Shenzhen Tianyan Private Detective Survey Limited | Private company limited by shares | Live |
| Waixinglong Private Private Detective Limited | Private company limited by shares | Live |
| WISDOM KEY DETECTIVE LIMITED | Private company limited by shares | Live |
| Yuanshan Private Detective Co., Limited | Private company limited by shares | Live |
| China Association of Detectives Limited | Private company limited by shares | Dissolved |
| Corporate Fraud Detectives Limited | Private company limited by shares | Dissolved |
| HUMAN DETECTOR LIMITED | Private company limited by shares | Live |
| Detector Technology Limited | Private company limited by shares | Live |
| DETECTOR TECHNOLOGY UK LIMITED | Private company limited by shares | Dissolved |
| GAS DETECTOR TECHNOLOGY UK LIMITED | Private company limited by shares | Dissolved |
| DETECTORALL CO LIMITED | Private company limited by shares | Live |