| Project-O Limited | Private company limited by shares | Dissolved |
| PROJECTO LIMITED | | Live |
| Project-O Business Limited | Private company limited by shares | Dissolved |
| ProjectO Technology Limited | Private company limited by shares | Live |
| PROJECTON SOLUTIONS LIMITED | | Live |
| PROJECTONE LIMITED | Private company limited by shares | Dissolved |
| PROJECTORNEWS.COM LIMITED | Private company limited by shares | Dissolved |
| PROJECTORPARTS LIMITED | Private company limited by shares | Dissolved |
| Art Projectors HK Limited | Private company limited by shares | Live |
| PROJECTOWN LIMITED | Private company limited by shares | Dissolved |