| D & E ARTECH COMPANY LIMITED | Private company limited by shares | Dissolved |
| ARTECH LIMITED | Private company limited by shares | Dissolved |
| AR-TECH STZ HK LIMITED | Private company limited by shares | Dissolved |
| SKY ARTECH LIMITED | Private company limited by shares | Dissolved |
| IAP ARTECH LIMITED | Private company limited by shares | Live |
| ARTECH LIMITED | Private company limited by shares | Live |
| Argo Artech Limited | | Live |
| ArtechDream Limited | Private company limited by shares | Live |
| ARTECHO LIMITED | Private company limited by shares | Dissolved |
| ARTECHO LIMITED | Private company limited by shares | Live |