| MCKEN LIMITED | Private company limited by shares | Dissolved |
| MCKEN AND I LIMITED | Private company limited by shares | Live |
| MCKEN TRADING LIMITED | Private company limited by shares | Live |
| MCKENNA COMPANY LIMITED | Private company limited by shares | Dissolved |
| AN MCKENNA LIMITED | Private company limited by shares | Live |
| MCKENNA CONSULTING LIMITED | Private company limited by shares | Live |
| MCKENNA MINTER ELLISON LIMITED | Private company limited by shares | Dissolved |
| MCKENNA PROPERTIES INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| MCKENNELL & CO. LIMITED | Private company limited by shares | Dissolved |
| MCKENSON MANUFACTORY LIMITED | Private company limited by shares | Dissolved |
| MCKENSON TEXTILES LIMITED | Private company limited by shares | Live |
| MCKENZIE LIMITED | Private company limited by shares | Dissolved |
| Mckenzie Company Limited | Private company limited by shares | Live |
| CMS MCKENZIE AG LIMITED | | Live |
| MCKENZIE HEALTHCARE LIMITED | Private company limited by shares | Live |