| Company Name | Type | Status |
|---|---|---|
| KNOP LIMITED | Private company limited by shares | Live |
| KNOPF & KNOPF INTERNATIONAL (HK) LIMITED | Private company limited by shares | Dissolved |
| Knopf & Knopf International (HK) Limited | Private company limited by shares | Live |
| Samuel Knopf Consultancy Limited | Live | |
| KNOPLEX LIMITED | Private company limited by shares | Live |