| MENTOR LEE AND COMPANY LIMITED | Private company limited by shares | Dissolved |
| MENTOR LIMITED | Private company limited by shares | Dissolved |
| MENTOR COMPANY LIMITED | Private company limited by shares | Live |
| MENTOR ISC CO. LIMITED | Private company limited by shares | Live |
| SKY MENTOR LIMITED | Private company limited by shares | Live |
| MENTOR AC LIMITED | Private company limited by shares | Live |
| Mentor Me Limited | Private company limited by shares | Live |
| BEST MENTOR LIMITED | Private company limited by shares | Dissolved |
| Mentor Connect Limited | Private company limited by shares | Live |
| MENTOR ESTATE LIMITED | Private company limited by shares | Dissolved |
| GOLD MENTOR LIMITED | Private company limited by shares | Dissolved |
| TOP MENTOR INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| MENTOR INVESTMENTS LIMITED | Private company limited by shares | Live |
| MENTOR AND SCHOLAR COMPANY LIMITED | Private company limited by shares | Dissolved |
| MENTOR SHIPPING COMPANY LIMITED | Private company limited by shares | Dissolved |
| Strategy Mentor Limited | Private company limited by shares | Dissolved |
| MENTOR SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| MENTOR TIME COMPANY LIMITED | Private company limited by shares | Dissolved |
| mentorbird (HK) Limited | Private company limited by shares | Live |
| Mentorbrite Consulting Limited | Private company limited by shares | Live |
| MENTORDALE LIMITED | Private company limited by shares | Live |
| MENTOREL Limited | Private company limited by shares | Live |
| MENTORHOOD LIMITED | Private company limited by shares | Live |
| AHC MENTORING BUSINESS LIMITED | | Live |
| EXCEL MENTORING LIMITED | Private company limited by shares | Live |
| Mentorizm Limited | Private company limited by shares | Live |
| Mentoroida Limited | Private company limited by shares | Live |
| 3 Mentors Limited | Private company limited by shares | Live |
| MENTORS CONSULTANCY COMPANY LIMITED | Private company limited by shares | Live |
| SME MENTORSHIP ASSOCIATION LIMITED | Company limited by guarantee | Live |