| I-KEY LIMITED | Private company limited by shares | Dissolved |
| IKEY LIMITED | Private company limited by shares | Live |
| i-KEY LIMITED | | Live |
| HK iKey Limited | | Live |
| I-KEY (HONG KONG) LIMITED | Private company limited by shares | Live |
| I-KEY INDUSTRIAL (CHINA) COMPANY LIMITED | Private company limited by shares | Dissolved |
| IKEY ASIA PRODUCTION LIMITED | Private company limited by shares | Dissolved |
| iKey Technologies Limited | Private company limited by shares | Live |
| HK IKEYIN International Jewelry Limited | Private company limited by shares | Live |
| IKEYPARTS ELECTRONICS LIMITED | | Live |
| i-Keytec (Asia) Company Limited | Private company limited by shares | Live |