| HK Enstant Technology Co., Limited | Private company limited by shares | Live |
| ENSTAR TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| ENSTEAD LIMITED | Private company limited by shares | Dissolved |
| ENSTON LIMITED | Private company limited by shares | Dissolved |
| ENSTON BEARING CO., LIMITED | Private company limited by shares | Live |
| ENSTON HEALTHCARE LIMITED | Private company limited by shares | Live |
| ENSUCCESS INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| ENSUN INT'L (HK) SPECIAL MEDICAL SHARES LIMITED | Private company limited by shares | Live |
| ENSUN POWERMAX LIMITED | Private company limited by shares | Live |
| Ensun System Limited | Private company limited by shares | Live |
| HEALTH ENSURANCE FAMILY CARE CENTRE LIMITED | Private company limited by shares | Dissolved |
| Ensurance International Limited | | Live |
| Talent & Ensurance International Trade Co., Limited | Private company limited by shares | Live |
| ENSURE LIMITED | Private company limited by shares | Live |
| ENSURE WIN COMPANY LIMITED | Private company limited by shares | Live |
| ENSURE ON LIMITED | Private company limited by shares | Live |
| Gain Ensure Limited | | Live |
| GRAND ENSURE LIMITED | Private company limited by shares | Live |
| ENSURED INVESTMENTS LIMITED | Private company limited by shares | Live |
| Ensurewin Limited | Private company limited by shares | Live |
| EnsurLink (Hong Kong) Information and Technology Company Limited | Private company limited by shares | Live |
| ENSUS INDUSTRIAL CO., LIMITED | Private company limited by shares | Dissolved |
| Ensuwo Consulting Co., Limited | Private company limited by shares | Live |
| ENSV CO., LIMITED | | Live |
| ENSVXI CO., LIMITED | Private company limited by shares | Live |
| ENSWIZ DESIGN COMPANY LIMITED | Private company limited by shares | Live |
| Ensyn Limited | Private company limited by shares | Live |