| M.T.H. LIMITED | Private company limited by shares | Dissolved |
| M.T.H. Limited | Private company limited by shares | Dissolved |
| M-TheJourney.com Limited | Private company limited by shares | Dissolved |
| M-Theory Limited | Private company limited by shares | Live |
| MTHER CAPITAL LIMITED | | Live |
| Mthinker Limited | Private company limited by shares | Live |
| MTHK LIMITED | Private company limited by shares | Dissolved |
| MTHK., LIMITED | Private company limited by shares | Live |
| MTHN TRADING CO., LIMITED | | Live |
| M-THREE CONSULTANCY LIMITED | Private company limited by shares | Dissolved |
| MTHREE CORPORATE CONSULTING LIMITED | Private company limited by shares | Live |
| TAIWAN M-THREE CONSULTANCY LIMITED | Private company limited by shares | Dissolved |