| G.I.G. INVESTMENTS CORPORATION LIMITED | Private company limited by shares | Dissolved |
| G.I.G. (HK) LIMITED | Private company limited by shares | Live |
| GIGA COMPANY LIMITED | Private company limited by shares | Live |
| GIGA SMS LIMITED | Private company limited by shares | Live Commenced dormancy on 21-Jul-2014 |
| GIGA 88 LIMITED | Private company limited by shares | Live |
| Giga Gud Limited | Private company limited by shares | Live |
| G.I.G.A. ASIA LIMITED | Private company limited by shares | Dissolved |
| Giga Digital Company Limited | Private company limited by shares | Live |
| Easy Giga Limited | Private company limited by shares | Live |
| GIGA ENTERPRISE LIMITED | | Live |
| GIGA FACTORY LIMITED | Private company limited by shares | Live |
| GIGA FINANCE ASIA LIMITED | Private company limited by shares | Dissolved |
| GIGA GAIN LIMITED | Private company limited by shares | Live |
| GIGA HI-TECH LIMITED | Private company limited by shares | Dissolved |
| GIGA HOLDING LIMITED | Private company limited by shares | Live |
| GIGA INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| Giga Solar Investments Limited | Private company limited by shares | Live |
| GIGA MEALS COMPANY LIMITED | | Live |
| GIGA RICH LIMITED | Private company limited by shares | Dissolved |
| GIGA TRADE LIMITED | | Live |
| GIGAACCESS LIMITED | Private company limited by shares | Dissolved |
| GIGABASE LIMITED | Private company limited by shares | Live |
| Gigabee Technology Limited | Private company limited by shares | Live |
| GIGABILLION ASIA PACIFIC LIMITED | Private company limited by shares | Live |
| GIGABIT LIMITED | Private company limited by shares | Live |
| Gigabite Memory Limited | Private company limited by shares | Live |
| GIGABOYZ.COM LIMITED | Private company limited by shares | Live |
| GIGABUD LIMITED | Private company limited by shares | Live |
| GIGA-CNC TECHNOLOGY & MACHINERY (GROUP) LIMITED | Private company limited by shares | Live |
| GIGACRETE ASIA LIMITED | Private company limited by shares | Live |
| GigaDisplay Electronic Co Limited | Private company limited by shares | Live |
| GIGAFLASH LIMITED | Private company limited by shares | Live |
| GIGAFLEX ASIA LIMITED | Private company limited by shares | Live |
| GIGAFORS LIMITED | Private company limited by shares | Live |
| GIGAHAKSA (HK) LIMITED | Private company limited by shares | Dissolved |
| Gigahertz Limited | Private company limited by shares | Live |
| GIGAHERTZ TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| GIGAHOST LIMITED | Private company limited by shares | Live |
| GIGAINFO LIMITED | Private company limited by shares | Dissolved |
| HK Gigalane Limited | Private company limited by shares | Live |
| GIGALIGHTING CO., LIMITED | Private company limited by shares | Live |
| Hong Kong Gigalink Network Limited | Private company limited by shares | Live |
| GIGALINK INVESTMENTS LIMITED | Private company limited by shares | Live |
| GIGALINK TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| GIGALINX LIMITED | Private company limited by shares | Live |
| GIGAMASTER & V.D.O. TRADING LIMITED | Private company limited by shares | Dissolved |
| GIGAMAX HOLDING LIMITED | Private company limited by shares | Dissolved |
| GIGAMIN GROUP ASIA LIMITED -THE- | Private company limited by shares | Live |
| GIGAMIND EDUCATION FOUNDATION LIMITED | Company limited by guarantee | Live |
| GIGAMIND INTERNATIONAL EDUCATION DEVELOPMENT COMPANY LIMITED | Private company limited by shares | Live |
| GIGAMIND LEARNING CENTRE LIMITED | Private company limited by shares | Dissolved |
| Gigamote Technology Limited | Private company limited by shares | Live |
| FITNESS GIGANT LIMITED | Private company limited by shares | Live |
| Gigant Technologies International Limited | Private company limited by shares | Live |
| YIWU GIGANT INTERNATIONAL TRADE LIMITED | Private company limited by shares | Live |
| GIGANT TIME COMPANY LIMITED | Private company limited by shares | Live |
| GIGANTES LIMITED | Private company limited by shares | Live |
| STELLE GIGANTI LIMITED | | Live |
| GIGANTIC WIN LIMITED | Private company limited by shares | Dissolved |
| GIGANTIC JOY LIMITED | Private company limited by shares | Live |
| GIGANTIC LIMITED | Private company limited by shares | Live |
| BIG GIGANTIC LIMITED | Private company limited by shares | Live |
| GIGANTIC LIMITED | Private company limited by shares | Live |
| GIGANTIC DRAGON LIMITED | Private company limited by shares | Live |
| GIGANTIC ENGINEERING LIMITED | | Live |
| EVER GIGANTIC LIMITED | Private company limited by shares | Live |
| GIGANTIC GLOBAL LIMITED | Private company limited by shares | Live |
| GIGANTIC GROUP LIMITED | Private company limited by shares | Live |
| GIGANTIC INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| Gigantic Waves Investment Company Limited | Private company limited by shares | Live |
| GIGANTIC CHANNEL INVESTMENTS COMPANY LIMITED | Private company limited by shares | Live |
| GIGANTIC MARINE LIMITED | Private company limited by shares | Dissolved |
| GIGANTIC MERIT LIMITED | Private company limited by shares | Live |
| GIGANTIC NATION LIMITED | Private company limited by shares | Live |
| GIGANTIC PENNANT LIMITED | Private company limited by shares | Live |
| GIGANTIC POWER LIMITED | Private company limited by shares | Live |
| GIGANTIC PRAISE LIMITED | Private company limited by shares | Dissolved |
| ROYAL GIGANTIC LIMITED | Private company limited by shares | Live |
| GIGANTIC STAR INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| GIGANTIC STYLE LIMITED | Private company limited by shares | Live |
| GIGANTIC WAVE LIMITED | | Live |
| GIGANTIC WEALTH LIMITED | Private company limited by shares | Dissolved |
| GIGANTIC WORLDTRADE LIMITED | Private company limited by shares | Dissolved |
| GIGAOPTIX LIMITED | Private company limited by shares | Live |
| Gigapath Limited | Private company limited by shares | Live |
| GIGAPLUS CREATION & DEVELOPMENT LIMITED | Private company limited by shares | Live |
| GIGAPLUS TOYS LIMITED | Private company limited by shares | Live |
| GIGAPOWER TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| GIGAPRINT LIMITED | Private company limited by shares | Live |
| GIGARIAN ELECTRONICS LIMITED | Private company limited by shares | Dissolved |
| GIGARIAN GLOBAL LIMITED | Private company limited by shares | Live |
| GIGARIAN TECH LIMITED | Private company limited by shares | Dissolved |
| GIGAS COMPANY LIMITED | Private company limited by shares | Live |
| Gigas Enterprise Company Limited | Private company limited by shares | Live |
| GIGASET LIMITED | Private company limited by shares | Live |
| GigaSpeed Technology HK Co., Limited | Private company limited by shares | Live |
| GIGASTAR ELECTRICAL CO., LIMITED | Private company limited by shares | Live |
| GIGASTAR GROUP CO., LIMITED | Private company limited by shares | Live |
| GIGASTAR LIGHTING CO., LIMITED | Private company limited by shares | Live |
| GIGAT Management Limited | Private company limited by shares | Live |