| MALCO ENERGY LIMITED | Private company limited by shares | Live |
| MALCO INT'L (CHINA) IMPORT & EXPORT LIMITED | Private company limited by shares | Dissolved |
| MALCOLM AND COMPANY LIMITED | Company limited by guarantee | Dissolved |
| Malcolm Andrews HK Limited | Private company limited by shares | Live |
| MALCOLM & ASSOCIATES LIMITED | Private company limited by shares | Dissolved |
| MALCOLM AND ASSOCIATES APPRAISAL LIMITED | Private company limited by shares | Live |
| MALCOLM PACIFIC HONG KONG LIMITED | Private company limited by shares | Dissolved |
| MALCOLM INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| MALCOLM INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| MALCOLM PROJECTS LIMITED | Private company limited by shares | Live |
| MALCOLM STARR LIMITED | Private company limited by shares | Dissolved |
| MALCOME LIMITED | Private company limited by shares | Dissolved |
| MALCOMSON WHITESIDE LIMITED | Private company limited by shares | Live |
| MALCONNA COMPANY LIMITED | Private company limited by shares | Live |