| GEMO LIMITED | | Live |
| GEMO CAPITAL LIMITED | Private company limited by shares | Live |
| GEMOLEX COMPANY LIMITED | Private company limited by shares | Dissolved |
| Gemolithos Limited | Private company limited by shares | Live |
| GLOBAL GEMOLOGICAL LABORATORIES HK PVT LIMITED | Private company limited by shares | Live |
| GEMOLOGICAL IDENTIFICATION LIMITED | Private company limited by shares | Live |
| Gemological Trading Limited | Private company limited by shares | Live |
| CARAT GEMOLOGY CONSULTANCY LIMITED | Private company limited by shares | Live |
| Gemon Limited | Private company limited by shares | Dissolved |
| GEMONA LIMITED | Private company limited by shares | Dissolved |
| GEMONT ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| GEMORE LIMITED | Private company limited by shares | Dissolved |
| GEMORINA (HK) LIMITED | Private company limited by shares | Live |
| GEMOS LIMITED | Private company limited by shares | Dissolved |
| Gemotec Limited | Private company limited by shares | Live |
| UNITED GEMOTECH HOLDINGS COMPANY LIMITED -THE- | Private company limited by shares | Live |
| GeMoTechnics Limited | Private company limited by shares | Live |
| GEMOTEX INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| GEMOTTO INDUSTRIAL COMPANY LIMITED | | Live |
| Gemovi Limited | Private company limited by shares | Live |
| GEMOW INDUSTRY COMPANY LIMITED | Private company limited by shares | Live |