| IPSO COMPANY LIMITED | Private company limited by shares | Dissolved |
| IPSON LIMITED | Private company limited by shares | Live |
| Ipson Technology Co., Limited | Private company limited by shares | Live |
| IPSON ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| IPSON (HK) GROUP CO., LIMITED | Private company limited by shares | Live |
| IPSON INVESTMENTS LIMITED | Private company limited by shares | Live |
| IPSON OUTDOOR CO., LIMITED | | Live |
| IPSON RENOVATION LIMITED | Private company limited by shares | Live |
| IPSO-POWER COMPANY LIMITED | Private company limited by shares | Live |
| Ipsos Limited | Private company limited by shares | Live |
| IPSOS ASIA LIMITED | Private company limited by shares | Live |
| Ipsos Observer Limited | Private company limited by shares | Live |