| INDUSTRY M.S.,C.A. LIMITED | Private company limited by shares | Dissolved |
| MSC/ALLIANCE LIMITED | Private company limited by shares | Dissolved |
| M.S.CHAN AND COMPANY, LIMITED | Private company limited by shares | Dissolved |
| Mscheung Digital Limited | Private company limited by shares | Live |
| MSCHF Limited | | Live |
| MSCI HONG KONG LIMITED | Private company limited by shares | Live |
| MSCI HONG KONG MANAGEMENT LIMITED | Private company limited by shares | Live |
| MSCK LIMITED | Private company limited by shares | Live |
| MSCOHK CO. LIMITED | Private company limited by shares | Live |
| MSCS Consulting Limited | Private company limited by shares | Live |
| MSCS Group Limited | Private company limited by shares | Live |
| MSCS ASIA PACIFIC (VIETNAM) LIMITED | Private company limited by shares | Dissolved |
| M.S.C.W. LIMITED | Private company limited by shares | Live |
| MSCY HK Holding Limited | Private company limited by shares | Dissolved |