| OCTAVE LIMITED | Private company limited by shares | Live |
| OCTAVE CAPITAL LIMITED | Private company limited by shares | Live Ceased dormancy on 20-Apr-2015 |
| OCTAVEST LIMITED | Private company limited by shares | Dissolved |
| HONGKONG OCTAVEZONE HAIR PRODUCTS CO., LIMITED | Private company limited by shares | Live |
| OCTAVIA PVT LIMITED | Private company limited by shares | Live |
| Octavia Co., Limited | Private company limited by shares | Live |
| OCTAVIA ELECTRICAL APPLIANCES CO. LIMITED | Private company limited by shares | Live |
| OCTAVIA ELECTRONICS LIMITED | Private company limited by shares | Live |
| Octavia events Limited | | Live |
| OCTAVIA INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| HK OCTAVIA INDUSTRIAL CO., LIMITED | Private company limited by shares | Dissolved |
| OCTAVIA TRADING LIMITED | Private company limited by shares | Dissolved |
| OCTAVIA TRADING LIMITED | | Live |
| OCTAVIAN LIMITED | | Live |
| Octavian International Limited | Private company limited by shares | Dissolved |
| OCTAVIAN SOCIETY LIMITED -THE- | Company limited by guarantee | Live |
| Octaviana Limited | Private company limited by shares | Live |
| OCTAVIANUS HK LIMITED | Private company limited by shares | Live |
| OCTAVIO LIMITED | Private company limited by shares | Dissolved |
| ITALY OCTAVIUS HONGKONG INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| Octavius Trading Limited | Private company limited by shares | Live |
| Octavo Limited | Private company limited by shares | Live |
| OCTAVO ASIA LIMITED | Private company limited by shares | Live |