| THETA AND COMPANY LIMITED | Private company limited by shares | Dissolved |
| SKY THETA LIMITED | | Live |
| THETA ASIA INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| THETA INSTRUMENT CO., LIMITED | Private company limited by shares | Live |
| THETA POWER SOLUTION CO., LIMITED | Private company limited by shares | Live |
| THETA CONSORTIUM LIMITED | | Live |
| THETA CAPITAL CONSORTIUM LIMITED | | Live |
| THETA ELECTRONICS COMPANY LIMITED | Private company limited by shares | Dissolved |
| THETA ENGINEERING CONSULTANTS LIMITED | Private company limited by shares | Live |
| Theta Enterprise Limited | Private company limited by shares | Live |
| THETA GAMMA LIMITED | Private company limited by shares | Dissolved |
| THETA GROUP LIMITED | Private company limited by shares | Dissolved |
| Theta Artificial Intelligence Group Limited | Private company limited by shares | Live |
| THETA HARVEST LIMITED | Private company limited by shares | Live |
| THETA NEWS (H.K.) LIMITED | Private company limited by shares | Dissolved |
| THETA INC. LIMITED | | Live |
| Theta Industrial (HongKong) Co., Limited | | Live |
| THETA AD INFINITUM LIMITED | Private company limited by shares | Dissolved |
| Innovate Theta Limited | Private company limited by shares | Live |
| THETA INTERNATIONAL LIMITED | Private company limited by shares | Live |
| THETA INVESTMENT CONSORTIUM LIMITED | | Live |
| THETA JEWELRY LIMITED | Private company limited by shares | Live |
| THETA LEARNING CENTRE LIMITED | Private company limited by shares | Dissolved |
| Theta Lifestyle Limited | | Live |
| THETA LIGHTING (HK) LIMITED | Private company limited by shares | Live |
| Theta Sea Management Limited | | Live |
| THETA TECHNOLOGY MANAGEMENT LIMITED | | Live |
| THETA OPTIC LIMITED | | Live |
| THETA OPTICS LIMITED | Private company limited by shares | Live |
| THETA PROPERTY AGENCY LIMITED | Private company limited by shares | Dissolved |
| THETA SHIPPING COMPANY, LIMITED -THE- | Private company limited by shares | Dissolved |
| THETA TECH LIMITED | Private company limited by shares | Live |
| THETA TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| THETA TECHNOLOGY (HK) LIMITED | Private company limited by shares | Live |
| Theta International Trading Limited | Private company limited by shares | Live |
| THETA UPSILON 44 LIMITED | Private company limited by shares | Live |
| THETAVENTURE LIMITED | Private company limited by shares | Dissolved |