| WHY SUMMITS LIMITED | Private company limited by shares | Live |
| SUMMITS (ASIA) LIMITED | Private company limited by shares | Dissolved |
| BEST SUMMITS LIMITED | Private company limited by shares | Live Commenced dormancy on 03-Jan-2013 |
| SUMMITS ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| BEST SUMMITS INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| Summitslate Limited | Private company limited by shares | Live |
| SummitView Investment Limited | Private company limited by shares | Live |
| Summo International Co., Limited | | Live |
| SUMMOR FASHION LIMITED | Private company limited by shares | Live |
| Summus Limited | Private company limited by shares | Live |
| Summus All-in-one Limited | | Live |
| SUMMUS DIGITAL AND COMPANY LIMITED | | Live |
| SUMMUS ENTERPRISE LIMITED | Private company limited by shares | Live |
| SUMMUS ENTERTAINMENT LIMITED | Private company limited by shares | Live |
| Summus Faye Limited | Private company limited by shares | Live |
| SUMMUS GROUP LIMITED | Private company limited by shares | Live |
| SUMMUS INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SUMMUS LIMOUSINE SERVICES LIMITED | Private company limited by shares | Live |
| Summus Travel Limited | Private company limited by shares | Live |
| Summus Ventures Limited | Private company limited by shares | Live |
| Sum Summy Limited | | Live |
| SUMMY ENTERPRISES LIMITED | Private company limited by shares | Live |