| Company Name | Type | Status |
|---|---|---|
| TACIT LIMITED | Private company limited by shares | Live |
| Taciti Limited | Private company limited by shares | Live |
| Tacito (HongKong) Limited | Private company limited by shares | Live |
| TACITUS LIMITED | Private company limited by shares | Dissolved |
| HONGKONG TACITUS BIOLOGICAL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Tacitus Investments Limited | Private company limited by shares | Live |