| Klaus Company Limited | Private company limited by shares | Live |
| Klaus Education Limited | Private company limited by shares | Live |
| Klaus Holding Limited | Private company limited by shares | Dissolved |
| HK KLAUS TRADING COMPANY LIMITED | Private company limited by shares | Live |
| KLAUS SCHMID TRADING LIMITED | Private company limited by shares | Dissolved |
| KLAUSEN INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| NINGBO KLAUSTE INTERNATIONAL TRADING CO., LIMITED | Private company limited by shares | Live |
| NINGBO KLAUSTE IMP AND EXP LIMITED | Private company limited by shares | Live |
| KLAUTECH CO., LIMITED | Private company limited by shares | Dissolved |