| Company Name | Type | Status |
|---|---|---|
| QuantumTX Hong Kong Limited | Live | |
| Quantumverse Limited | Live | |
| QuantumWhale Limited | Live | |
| QUANTURN LIMITED | Private company limited by shares | Live |
| QUANTUS LIMITED | Private company limited by shares | Live |
| Quantus Inc Limited | Private company limited by shares | Live |
| Quantweb Limited | Private company limited by shares | Live |
| QUANTWIN LIMITED | Private company limited by shares | Live |
| QUANTZ LIMITED | Private company limited by shares | Dissolved |