| MACDON LIMITED | Private company limited by shares | Dissolved |
| MACDONALD LIMITED | Private company limited by shares | Dissolved |
| MACDONALD & COMPANY LIMITED | Private company limited by shares | Live |
| SIR M MACDONALD ASIA LIMITED | Private company limited by shares | Dissolved |
| MacDonald Enterprises (Asia) Limited | Private company limited by shares | Dissolved |
| MACDONALD YOUNG & ASSOCIATES LIMITED | Private company limited by shares | Dissolved |
| MACDONALD MARTIN (CHINA) LIMITED | Private company limited by shares | Dissolved |
| MOTT MACDONALD CHINA LIMITED | Private company limited by shares | Dissolved |
| COOPER MACDONALD LAW CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| COOPER MACDONALD LAW CONSULTANTS INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| Mott MacDonald Consultants (HK) Limited | Private company limited by shares | Live |
| MACDONALD ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| Mott MacDonald Global Resources Limited | Private company limited by shares | Live |
| HECTOR MACDONALD MORRISON (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| MACDONALD & TREHEARNE (HOLDINGS) LIMITED | Private company limited by shares | Dissolved |
| Mott MacDonald Hong Kong Limited | Private company limited by shares | Live |
| MACDONALD INDUSTRIAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| MACDONALD INVESTMENTS (PACIFIC) LIMITED | Private company limited by shares | Dissolved |
| JOHN MACDONALD LIMITED | Private company limited by shares | Dissolved |
| MOTT MACDONALD ASIA LIMITED | Private company limited by shares | Dissolved |
| Mott MacDonald Resources Limited | Private company limited by shares | Dissolved |
| NARGISH MACDONALD HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| MACDONALD, WAGNER & PRIDDLE (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| MACDONALD PUBLISHING LIMITED | Private company limited by shares | Dissolved |
| R.J. MACDONALD LIMITED | Private company limited by shares | Dissolved |
| MACDONALD'S HAMBURGERS LIMITED | Private company limited by shares | Dissolved |
| SJ MACDONNELL LIMITED | Private company limited by shares | Dissolved |
| MACDONNELL HOSTEL COMPANY LIMITED | Private company limited by shares | Live |
| MACDONNELL INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |