| EPSIBA LIMITED | Private company limited by shares | Dissolved |
| EPSIE LIMITED | Private company limited by shares | Dissolved |
| PHI EPSILON 28 LIMITED | Private company limited by shares | Live |
| EPSILON & COMPANY LIMITED | Private company limited by shares | Dissolved |
| RKR EPSILON HK LIMITED | Private company limited by shares | Live |
| Epsilon M Company Limited | | Live |
| LEO EPSILON LIMITED | | Live |
| SKY EPSILON LIMITED | | Live |
| Epsilon (Asia) Limited | Private company limited by shares | Live |
| CAMPFIRE EPSILON COMPANY LIMITED | Private company limited by shares | Live |
| EPSILON CAPITAL LIMITED | Private company limited by shares | Live |
| EPSILON CHEMICALS LIMITED | Private company limited by shares | Dissolved |
| Aurum Epsilon Investment HK Co., Limited | Private company limited by shares | Live |
| Epsilon Global Consulting HK Limited | Private company limited by shares | Live |
| EPSILON CORPORATION LIMITED | Private company limited by shares | Live |
| CORSTONE EPSILON COMPANY LIMITED | Private company limited by shares | Dissolved |
| EPSILON DESIGN LIMITED | Private company limited by shares | Live |
| EPSILON DIGITAL LIMITED | Private company limited by shares | Live |
| EPSILON ESTATES LIMITED | Private company limited by shares | Live |
| EPSILON EXPORTS CO., LIMITED | Private company limited by shares | Live |
| Epsilon Venture Partners (HK) Limited | Private company limited by shares | Live |
| Epsilon Interactive Limited | Private company limited by shares | Live |
| EPSILON INTERNATIONAL, LIMITED | Private company limited by shares | Dissolved |
| EPSILON INTERNATIONAL LIMITED | Private company limited by shares | Live |
| Epsilon Investment Limited | Private company limited by shares | Dissolved |
| Epsilon Investment Limited | Private company limited by shares | Live |
| EPSILON CAPITAL MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| EPSILON MEDIA LIMITED | Private company limited by shares | Dissolved |
| Epsilon Optical Limited | Private company limited by shares | Dissolved |
| Epsilon Overseas Co., Limited | Private company limited by shares | Dissolved |
| EPSILON CAPITAL PARTNERS LIMITED | Private company limited by shares | Dissolved |
| EPSILON PLUS GROUP COMPANY LIMITED | Private company limited by shares | Live |
| Sigma Epsilon Fund Limited | | Live |
| EPSILON TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Dissolved |
| EPSILON TECHNOLOGY LIMITED | | Live |
| Shenzhen Epsilon Technology Co., Limited | Private company limited by shares | Live |
| Epsilon Telecommunications (HK) Limited | Private company limited by shares | Live |
| EPSILON TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| Epsilon Trading Limited | Private company limited by shares | Live |
| Epsilon Trading Enterprise Limited | Private company limited by shares | Live |
| Vanadium Epsilon Limited | Private company limited by shares | Live |
| Epsilon Wealth Advisory Limited | Private company limited by shares | Dissolved |
| TAU ZETA EPSILON LIMITED | Private company limited by shares | Live |
| QI JUN EPSILONE LIMITED | Private company limited by shares | Dissolved |
| EPSIPRO HK LIMITED | Private company limited by shares | Live |