| CIRR LIMITED | Private company limited by shares | Live |
| CIRRIA INVESTMENTS LIMITED | Private company limited by shares | Live |
| Cirrific Limited | Private company limited by shares | Live |
| Cirrima Technology Limited | | Live |
| CIRROFI LIMITED | Private company limited by shares | Live |
| CIRRUS LIMITED | Private company limited by shares | Dissolved |
| CIRRUS COMPANY LIMITED | Private company limited by shares | Dissolved |
| CIRRUS LIMITED | Private company limited by shares | Live |
| CIRRUS ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| OCEAN CIRRUS LIMITED | Private company limited by shares | Live |
| CIRRUSERVE LIMITED | Private company limited by shares | Live |
| CIRRUS(HK) CO., LIMITED | Private company limited by shares | Live |