| CLUSTER COMPANY LIMITED | Private company limited by shares | Live |
| Cluster Capital Limited | | Live |
| CLOUD CLUSTER LIMITED | Private company limited by shares | Live |
| CLUSTER & Co., LIMITED | Private company limited by shares | Live |
| Kowloon East Elder Academies Cluster Limited | Company limited by guarantee | Live |
| CLUSTER ELECTRONICS CO., LIMITED | Private company limited by shares | Live |
| Cluster Exploration Limited | | Live |
| Cluster Fintech Limited | Private company limited by shares | Live |
| Cluster Group Limited | Private company limited by shares | Live |
| Laiwa & Ferid (HK) Biomedical Cluster Limited | Private company limited by shares | Live |
| HULIANWANG BUSINESS CLUSTER (HK) LIMITED | Private company limited by shares | Live |
| INTERNET INDUSTRY CLUSTER ASSET MANAGEMENT LIMITED | Private company limited by shares | Live |
| International Listing Cluster Incubator Limited | | Live |
| Cluster Made Limited | Private company limited by shares | Live |
| Cluster Plus Limited | | Live |
| CLUSTER RESOURCES LIMITED | | Live |
| Star Cluster International Limited | | Live |
| CLUSTER TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Cluster Cloud Technology HongKong Limited | Private company limited by shares | Live |
| New Territories West Elder Academies Cluster Limited | Company limited by guarantee | Live |
| New Territories East Elder Academies Cluster Limited | Company limited by guarantee | Live |
| CLUSTER TRADING CO., LIMITED | Private company limited by shares | Live |
| SEA CLUSTER TRADING CO., LIMITED | Private company limited by shares | Live |
| STAR CLUSTER INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| VENTURE CLUSTER LIMITED | Private company limited by shares | Live |
| CLUSTERING & EXPANDING TECH CO., LIMITED | Private company limited by shares | Dissolved |
| Star Clusters Limited | Private company limited by shares | Live |
| Southern Clusters General Trading Limited | | Live |
| CLUSTERTECH LIMITED | Private company limited by shares | Live |
| CLUSTERTECH INVESTMENTS (HK) LIMITED | Private company limited by shares | Live |