| Company | Timeline | Status | |
| McDowall Air Conditioning (U.K.) Limited Secretary • Unreported | 30 Jul 1991←6 Years→9 Nov 1997 | Dissolved | |
| McDowall Limited Director • Secretary | 31 Dec 1990←6 Years→9 Nov 1997 | Dissolved | |
| McDowall Limited Secretary • Unreported | 31 Dec 1990←6 Years→9 Nov 1997 | Dissolved | |
