| G.S.T (ASIA) LIMITED | Private company limited by shares | Live |
| TAO GSTAR HK LIMITED | Private company limited by shares | Live |
| GSTAR LIMITED | | Live |
| GSTATION LIMITED | Private company limited by shares | Live |
| GSTC LIMITED | Private company limited by shares | Live |
| GSTC Holding Limited | Private company limited by shares | Live |
| Long Hill GSTCL Holding Limited | Private company limited by shares | Live |
| GST-Ex LIMITED | Private company limited by shares | Live |
| G.STONE LIMITED | Private company limited by shares | Live |
| GStone Digital Technology (Holdings) Limited | | Live |
| HONG KONG GSTONE LIMITED | Private company limited by shares | Live |
| GSTONE HONGKONG TRADING LIMITED | Private company limited by shares | Live |
| HONGKONG GSTONE INTERNATIONAL TRADING CO., LIMITED | | Live |
| Gstone International Trade Limited | Private company limited by shares | Live |
| Gstone Investment Limited | Private company limited by shares | Live |
| G.STONE MARKETING & INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| GStone Digital Technology (Overseas) Limited | Private company limited by shares | Live |
| G-Stone Technology Limited | Private company limited by shares | Live |
| GSTS LIMITED | Private company limited by shares | Live |
| GSTV (HK) Co., Limited | Private company limited by shares | Live |
| GSTZ LIMITED | | Live |