| QUANTA COMPANY LIMITED | Private company limited by shares | Dissolved |
| Quanta Company Limited | Private company limited by shares | Live |
| QUANTA INC LIMITED | Private company limited by shares | Live |
| QUANTA BUSINESS LIMITED | Private company limited by shares | Live |
| QUANTA CAPITAL LIMITED | Private company limited by shares | Live |
| China Quanta Blockchain Limited | Private company limited by shares | Live |
| CONFO QUANTA LIMITED | | Live |
| Quanta Business Investment Limited | Private company limited by shares | Live |
| QUANTA INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| CONFO QUANTA NANOFABRICATION TECHNOLOGY COMPANY LIMITED | | Live |
| Quantachrome Instruments Company Limited | Private company limited by shares | Live |
| Quantaflux Industrial (HK) Co., Limited | Private company limited by shares | Live |
| Quantaflux Technology Company Limited | Private company limited by shares | Live |
| SHENZHEN QUANTAI ELECTRICAL APPLIANCE CO., LIMITED | Private company limited by shares | Dissolved |
| SUKIDS QUANTAI BAGS COMPANY LIMITED | Private company limited by shares | Live |
| GUANGDONG FOSHAN QUANTAI CERAMICS LIMITED | Private company limited by shares | Live |
| HK QUANTAI ESTATE LIMITED | Private company limited by shares | Live |
| HongKong QuanTai Better Industrial Limited | Private company limited by shares | Live |
| HONGKONG QUANTAI TRADING CO., LIMITED | Private company limited by shares | Live |
| QUANTAI INTERNATIONAL CO., LIMITED | Private company limited by shares | Dissolved |
| QUANTAI INTERNATIONAL (HK) LIMITED | Private company limited by shares | Live |
| HK QUANTAI FURNITURE INT'L (GROUP) LIMITED | Private company limited by shares | Dissolved |
| Zhongshan Quantai Lighting Limited | Private company limited by shares | Live |
| QuantAI Technology Limited | | Live |
| QUANTAI TRADING LIMITED | | Live |
| QUANTAIHANG TRADE CO., LIMITED | | Live |
| QUANTAKE HK LIMITED | | Live |
| QUANTALA LIMITED | Private company limited by shares | Live |
| QUANTAMENTAL INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| QUANTANG LIMITED | | Live |
| QUANTANGLE LIMITED | Private company limited by shares | Dissolved |
| Quantark Limited | Private company limited by shares | Live |
| Quantarra Limited | Private company limited by shares | Live |
| QUANTAS LIMITED | Private company limited by shares | Live |
| QuantaVi Technology Limited | Private company limited by shares | Live |
| QUANTAX LIMITED | Private company limited by shares | Live |
| QUANTAX INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| Quantaz Limited | Private company limited by shares | Dissolved |