| Company | Timeline | Status | |
| Tac Products Limited Director • Production And Logistics Direc | 1 Aug 2005←3 Years→23 Apr 2009 | Active | |
| Siebe Environmental Systems (Europe) Limited Director • Senior Vice President Strategi | 20 Sep 1992←33 Years→23 Dec 2025 | Dissolved | |
| Siebe Environmental Systems (Europe) Limited Director • Unreported | 1 Jan 1970←56 Years→23 Dec 2025 | Dissolved | |
