| I.A.S. 8 LIMITED | Private company limited by shares | Live |
| IASA LIMITED | Private company limited by shares | Live |
| IASANIU Limited | Private company limited by shares | Dissolved |
| IASC INTERNATIONAL (HK) LIMITED | Private company limited by shares | Live |
| IASCA CHINA COMPANY LIMITED | Private company limited by shares | Dissolved |
| IASCA CHINA COMPANY LIMITED | Private company limited by shares | Live |
| IASCO HK Limited | Private company limited by shares | Dissolved |
| SUNRISE IASER (HONG KONG) CO., LIMITED | Private company limited by shares | Live |
| HK IASI BEAUTY GROUP LIMITED | Private company limited by shares | Live |
| REMUERA & IASI LIMITED | Private company limited by shares | Live |
| IASIA LIMITED | Private company limited by shares | Dissolved |
| IASIACAR.COM LIMITED | Private company limited by shares | Dissolved |
| IASIA.NET LIMITED | Private company limited by shares | Dissolved |
| IASIS LIMITED | Private company limited by shares | Live |
| IASK GROUP COMPANY LIMITED | Private company limited by shares | Live |
| IASK INDUSTRIAL LIMITED | Private company limited by shares | Live |
| iASK Wellness Academy Limited | | Live |
| IASO Bio HK Limited | | Live |
| IASO Investments Limited | Private company limited by shares | Live |
| Iasocare Limited | Private company limited by shares | Live |
| iASPEC SOFTWARE LIMITED | Private company limited by shares | Dissolved |
| IASS (HONG KONG) COMPANY LIMITED | Private company limited by shares | Dissolved |
| Iasset Limited | Private company limited by shares | Live |
| China Iasset Group Limited | Private company limited by shares | Live |
| IASSET NETWORK TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| IASTN LIMITED | Private company limited by shares | Live |
| IASUS CONCEPTS LIMITED | Private company limited by shares | Live |
| IASUS CONCEPTS AND DESIGNS LIMITED | Private company limited by shares | Live |
| IASYSTEM LIMITED | Private company limited by shares | Dissolved |