| Adaman HK Limited | | Live |
| ADAMANCY ENTERPRISE INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| ADAMANT LIMITED | Private company limited by shares | Dissolved |
| ADAMANT LIMITED | Private company limited by shares | Live |
| Adamant Limited | | Live |
| ADAMANT ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| HK ADAMANT TECHNOLOGY LIMITED | Private company limited by shares | Live |
| ADAMANTINE LIMITED | Private company limited by shares | Dissolved |
| ADAMANTINE LIMITED | Private company limited by shares | Dissolved |
| ADAMAR LIMITED | Private company limited by shares | Dissolved |
| ADAMAR ONLINE TECHNOLOGY LIMITED | Private company limited by shares | Live |
| ADAMAS LIMITED | Private company limited by shares | Live |
| Adamas Limited | Private company limited by shares | Live |
| ADAMAS - T. I. S. G. ASIA LIMITED | Private company limited by shares | Live |
| Adamas Investment Co., Limited | Private company limited by shares | Live |
| Adamas Concepts Limited | Private company limited by shares | Live |
| ADAMAS DIAMONDS LIMITED | Private company limited by shares | Dissolved |
| ADAMAS FINE JEWELLERY LIMITED | Private company limited by shares | Live |
| ADAMAS GROUP LIMITED | Private company limited by shares | Live |
| ADAMAS GROUP HK LIMITED | Private company limited by shares | Live |
| ADAMAS JEWELLERY INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| Adamas Jewellery Limited | | Live |
| ADAMAS MOTORS LIMITED | Private company limited by shares | Live |
| ADAMAS METALS RESOURCES COMPANY LIMITED | Private company limited by shares | Live |
| ADAMAS RESEARCH & TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Dissolved |
| ADAMAS TRADING COMPANY LIMITED | Private company limited by shares | Live |
| ADAMAS TRADING PRIVATE LIMITED | Private company limited by shares | Live |
| ADAMATE LIMITED | Private company limited by shares | Dissolved |
| ADAMAX SCM LIMITED | Private company limited by shares | Dissolved |
| ADAMAX TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| ADAMAZ LIMITED | Private company limited by shares | Live |