| DMSBASE CO., LIMITED | Private company limited by shares | Dissolved |
| DMSBT COMPANY LIMITED | Private company limited by shares | Dissolved |
| DMSGP EDUCATION FOUNDATION LIMITED | Company limited by guarantee | Live |
| DMSHARK LIMITED | Private company limited by shares | Live |
| DMS-KONTOR-FAREAST LIMITED | Private company limited by shares | Dissolved |
| DMSL Company Limited | | Live |
| DMSMoveIt Limited | | Live |
| DMSMR EDUCATION FOUNDATION LIMITED | Company limited by guarantee | Live |
| DMSQUARE LIMITED | Private company limited by shares | Live |
| DMSS Limited | Private company limited by shares | Live |
| DMSTEK LIMITED | Private company limited by shares | Dissolved |
| DMSU DIGITAL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| DM.-SUNNY FILM ORGANIZATION (HK) CO. LIMITED | Private company limited by shares | Live |