| Quattro Limited | Private company limited by shares | Live |
| QUATTRO HK LIMITED | Private company limited by shares | Live |
| QUATTRO LIMITED | Private company limited by shares | Live |
| QUATTRO ADVERTISING COMPANY LIMITED | Private company limited by shares | Dissolved |
| Quattro Alchemy Limited | Private company limited by shares | Live |
| QUATTRO AMICI (H.K.) LIMITED | Private company limited by shares | Dissolved |
| Quattro Capital Limited | Private company limited by shares | Live |
| Quattro Partners Co., Limited | Private company limited by shares | Live |
| Quattro Dynamics Company Limited | Private company limited by shares | Live |
| Quattro Eleganti Trading Limited | Private company limited by shares | Live |
| QUATTRO ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| Quattro Enterprise Limited | Private company limited by shares | Live |
| QUATTRO ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| QUATTRO FRENI LIMITED | Private company limited by shares | Live |
| QUATTRO GROUP LIMITED | Private company limited by shares | Live |
| QUATTRO DIVANI GROUP LIMITED | Private company limited by shares | Live |
| QUATTRO ANGOLI HONG KONG LIMITED | Private company limited by shares | Live |
| Quattro International Limited | Private company limited by shares | Live |
| QUATTRO INVESTMENTS LIMITED | Private company limited by shares | Live |
| Quattro Capital Asia Partners Limited | Private company limited by shares | Live |
| QUATTRO PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| QUATTRO STAGIONI CLINICA DI BELLEZZA LIMITED | Private company limited by shares | Dissolved |
| QUATTRO STUDIOS LIMITED | Private company limited by shares | Dissolved |
| QUATTRO SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| QUATTRO TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| QUATTRO TORI LIMITED | Private company limited by shares | Dissolved |
| SC QUATTRO TRADING LIMITED | Private company limited by shares | Live |
| QUATTRO TRAVEL LIMITED | Private company limited by shares | Dissolved |
| QUATTROS (P & A) ARCHITECTS LIMITED | Private company limited by shares | Live |
| QUATTROS BYAD CONSULTANCY LIMITED | Private company limited by shares | Live |