| ANNO COMPANY LIMITED | Private company limited by shares | Live |
| ANNO GROUP CO., LIMITED | Private company limited by shares | Live |
| HK Anno Technology Co., Limited | Private company limited by shares | Live |
| SHENZHEN ANNO TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| ANNO DANINI LIMITED | Private company limited by shares | Live |
| ANNO DESIGN COMPANY LIMITED | Private company limited by shares | Live |
| ANNO DOMINI PUBLISHING COMPANY LIMITED | Private company limited by shares | Dissolved |
| ANNO MOUNDI TECHNOLOGY (HK) CO., LIMITED | Private company limited by shares | Live |
| Anno Holding Company Limited | | Live |
| ANNO DOMINI HOLDINGS LIMITED | Private company limited by shares | Live |
| Anno Robot (Hong Kong) Co., Limited | Private company limited by shares | Live |
| HONGKONG ANNO CERAMIC MATE CO., LIMITED | Private company limited by shares | Live |
| ANNO INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| ANNO INTERNATIONAL INSPECTION LIMITED | Private company limited by shares | Live |
| ANNO TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| ANNO TECHNOLOGY LIMITED | Private company limited by shares | Live |
| ANNOMAX LIMITED | Private company limited by shares | Dissolved |
| ANNON LIMITED | Private company limited by shares | Dissolved |
| ANNONARIA HOLDING LIMITED | Private company limited by shares | Live |
| ANNOR LIMITED | Private company limited by shares | Live |
| ANNORICSPORT HK LIMITED | Private company limited by shares | Live |
| ANNOSUN TECHNOLOGY LIMITED | Private company limited by shares | Live |
| ANNOTATE BOOKSTORE LIMITED | Private company limited by shares | Dissolved |
| ANNOTTO COMPANY LIMITED | Private company limited by shares | Live |
| ANNOTTO BAY LIMITED | Private company limited by shares | Live |
| WELL ANNOUNCE LIMITED | Private company limited by shares | Live |
| ANNOUSHKA FAR EAST LIMITED | Private company limited by shares | Live |
| ANNOUSHKA HONG KONG RETAIL LIMITED | Private company limited by shares | Live |
| ANNOVA INVESTMENTS (H.K.) LIMITED | Private company limited by shares | Dissolved |
| Annova Health Technology (Hong Kong) Limited | Private company limited by shares | Live |
| ANNOVI (HONG KONG) COMPANY LIMITED | Private company limited by shares | Live |
| Noise Annoys Limited | Private company limited by shares | Dissolved |