| DATATECH LIMITED | Private company limited by shares | Live |
| FVT DATATECH LIMITED | Private company limited by shares | Live |
| Datatech Advisory Hong Kong Limited | Private company limited by shares | Live |
| Aether DataTech Limited | | Live |
| DataTech Asia Limited | Private company limited by shares | Live |
| DATATECH SYSTEM ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| DATATECH ENTERPRISES LIMITED | Private company limited by shares | Live |
| DATATECH (FAR EAST) CO. LIMITED | Private company limited by shares | Dissolved |
| DATATECH FIRE PRODUCT LIMITED | Private company limited by shares | Live |
| GOGOYANG DATATECH LIMITED | Private company limited by shares | Live |
| DataTech Global (HK) Limited | Private company limited by shares | Live |
| Kuaishou Datatech Holdings Group Limited | Private company limited by shares | Live |
| Barracuda DataTech Hong Kong Limited | Private company limited by shares | Live |
| General Datatech Hong Kong Limited | Private company limited by shares | Live |
| Winner DataTech (Hong Kong) Company Limited | Private company limited by shares | Live |
| DATATECH INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| DataTech Investment Limited | | Live |
| Datatech Networks Limited | Private company limited by shares | Live |
| DATATECH TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| Datatech Trading(HK) Limited | | Live |
| VALUELINK DATATECH LIMITED | Private company limited by shares | Live |
| Yangtao DataTech Limited | Private company limited by shares | Live |