| Endless Fusion Limited | | Live |
| ASIA PACIFIC FUSION ENERGY LIMITED | Private company limited by shares | Live |
| FUSION ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| FUSION E & M ENGINEERING LIMITED | Private company limited by shares | Live |
| Fusion Engineering Service Company Limited | Private company limited by shares | Live |
| FUSION ENTERPRISES COMPANY LIMITED | Private company limited by shares | Live |
| Explorer Fusion Restaurant Limited | Private company limited by shares | Live |
| FUSION EXPORTS LIMITED | | Live |
| FUSION FASHION LIMITED | Private company limited by shares | Dissolved |
| FUSION FASHION LIMITED | Private company limited by shares | Live |
| FASHION FUSION LIMITED | Private company limited by shares | Live |
| Fusion Fifth Floor Limited | Private company limited by shares | Live |
| Fusion Factor Fintech Limited | | Live |
| FORTUNE FUSION LIMITED | Private company limited by shares | Live |
| FREE FUSION LIMITED | | Live |
| Friends Fusion Limited | | Live |
| FULL FUSION LIMITED | | Live |
| Future Fusion Company Limited | Private company limited by shares | Live |
| GALAXY FUSION LIMITED | | Live |
| FUSION GLOBAL LIMITED | Private company limited by shares | Dissolved |
| Global Fusion Limited | Private company limited by shares | Dissolved |
| FUSION GLOBAL LIMITED | | Live |
| Sky Fusion Global Supply Chain Limited | | Live |
| GLOBAL FUSION CONSULTANCY LIMITED | Private company limited by shares | Dissolved |
| Multiple Fusion global Limited | | Live |
| FUSION GLOBAL SOURCING LIMITED | Private company limited by shares | Live |
| Global Fusion Wing Limited | Private company limited by shares | Live |
| GOLD FUSION LIMITED | Private company limited by shares | Live |
| GOOD TAKE FUSION LIMITED | Private company limited by shares | Live |
| GRACE FUSION LIMITED | Private company limited by shares | Live |
| GRAND FUSION LIMITED | Private company limited by shares | Live |
| Fusion Green Energy Co. Limited | | Live |
| GK NEW FUSION GROUP LIMITED | Private company limited by shares | Live |
| Fusion Group Limited | Private company limited by shares | Dissolved |
| FUSION GROUP LIMITED | Private company limited by shares | Live |
| FUSION ACCESSORIES GROUP LIMITED | Private company limited by shares | Live |
| FUSION GROUP (ASIA) LIMITED | Private company limited by shares | Dissolved |
| Fusion Group Asia Limited | Private company limited by shares | Live |
| FUSION ENGINEERING GROUP LIMITED | Private company limited by shares | Live |
| GRAND FUSION GROUP LIMITED | Private company limited by shares | Live |
| Fusion Group (Hong Kong) Limited | Private company limited by shares | Live |
| HK FUSION & INNOVATION GROUP LIMITED | Private company limited by shares | Live |
| LOULOU FUSION GROUP COMPANY LIMITED | Private company limited by shares | Dissolved |
| FUSION SATELLITE TV GROUP COMPANY LIMITED | Private company limited by shares | Live |
| FUSION HEALTH AND FITNESS LIMITED | Private company limited by shares | Dissolved |
| Helix Fusion Limited | Private company limited by shares | Live |
| FUSION HOLDING LIMITED | Private company limited by shares | Dissolved |
| Fusion Bioscience (Hong Kong) Limited | | Live |
| FUSION HOLDING (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| FUSION (HONG KONG) LIMITED | Private company limited by shares | Live |
| Fusion (Hong Kong) Limited | Private company limited by shares | Live |
| GRAND FUSION MEDICAL IMAGING LIMITED | Private company limited by shares | Live |
| Imperative Fusion Limited | Private company limited by shares | Live |
| FUSION INC. LIMITED | Private company limited by shares | Live |
| FUSION INDUSTRIAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| FUSION INDUSTRIAL LIMITED | Private company limited by shares | Live |
| Fusion Industrial Limited | | Live |
| Grand Fusion Industrial Limited | Private company limited by shares | Live |
| Fusion Insights Limited | Private company limited by shares | Live |
| FUSION INSPIRATION LIMITED | Private company limited by shares | Live |
| Fusion Interactive Limited | | Live |
| FUSION INTERIORS LIMITED | Private company limited by shares | Dissolved |
| FUSION INVESTMENT LIMITED | Private company limited by shares | Live |
| Fusion Investments Limited | | Live |
| JINPACHI FUSION KITCHEN LIMITED | Private company limited by shares | Live |
| FUSION KITCHEN LIMITED | Private company limited by shares | Live |
| Fusion Dental Hong Kong Limited | Private company limited by shares | Live |
| FUSION MEDICAL GROUP (HONG KONG) LIMITED | Private company limited by shares | Live |
| FUSION INVESTMENTS (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| Fusion Payments Hong Kong Limited | Private company limited by shares | Live |
| Fusion Scientifics (Hong Kong) Limited | Private company limited by shares | Live |
| Red Leaf Fusion Limited | Private company limited by shares | Live |
| Limit Fusion Limited | Private company limited by shares | Live |
| FUSION LINK LIMITED | Private company limited by shares | Dissolved |
| FUSION LINK LIMITED | Private company limited by shares | Live |
| FUSION MANAGEMENT LIMITED | Private company limited by shares | Live |
| FUSION ASSET MANAGEMENT COMPANY LIMITED | Private company limited by shares | Live |
| Fusion Supply Chain Management Co., Limited | | Live |
| Fusion Investment Management Co., Limited | Private company limited by shares | Live |
| Fusion Investment & Management Limited | Private company limited by shares | Dissolved |
| FUSION WEALTH MANAGEMENT LIMITED | Private company limited by shares | Live |
| FUSION MANUFACTURING GROUP LIMITED | Private company limited by shares | Live |
| FUSION STONE MATERIAL COMPANY LIMITED | Private company limited by shares | Live |
| Fusion Material Technology Limited | Private company limited by shares | Live |
| MAVERICK FUSION UN LIMITED | Private company limited by shares | Dissolved |
| FUSION MEDICAL COMPANY LIMITED | Private company limited by shares | Live |
| FUSION METALS LIMITED | Private company limited by shares | Live |
| FUSION MULTIHULLS LIMITED | Private company limited by shares | Live |
| Natural Fusion HK Limited | Private company limited by shares | Live |
| FUSION NETWORKS LIMITED | Private company limited by shares | Live |
| NEWEST FUSION LIMITED | | Live |
| OMEGA FUSION COMPANY LIMITED | Private company limited by shares | Live |
| FUSION OVERSEAS LIMITED | Private company limited by shares | Live |
| FUSION PACIFIC LIMITED | Private company limited by shares | Live |
| PACIFIC FUSION LIMITED | Private company limited by shares | Live |
| FUSION PACIFIC LIMITED | Private company limited by shares | Live |
| Fusion GH (Asia Pacific) Company Limited | Private company limited by shares | Live |
| Fusion Payments IP Limited | Private company limited by shares | Live |
| PEAK FUSION PTE LIMITED | Private company limited by shares | Live |
| Plana Fusion Limited | Private company limited by shares | Dissolved |