| Sess Controls Engineering (Hong Kong) Limited | Private company limited by shares | Live |
| SESSA C38 LIMITED | | Live |
| SESSAMI LIMITED | Private company limited by shares | Live |
| SESSIA LIMITED | Private company limited by shares | Live |
| HONG KONG SESSILY (INT'L) FASHION LIMITED | Private company limited by shares | Dissolved |
| Session Company Limited | Private company limited by shares | Live |
| SESSION ENTERTAINMENT LIMITED | Private company limited by shares | Live |
| PLANNING SESSION LIMITED | Private company limited by shares | Live |
| SESSON LIMITED | Private company limited by shares | Dissolved |
| Sessun Ads Limited | | Live |