| Company | Timeline | Status | |
| Halle Concerts Society Director • Company Director | 11 Oct 2005←6 Years→24 Oct 2011 | Active | |
| Igas Energy Limited Director • Company Director | 1 Oct 2004←3 Years→29 Feb 2008 | Active | |
| Brunner Mond Group Limited Director • Company Director | 10 Sep 1998←3 Years→31 Mar 2002 | Active | |
| Optima Management Services Limited Director • Company Director | 17 Oct 1995←28 Years→26 Dec 2023 | Dissolved | |
| Tata Chemicals Magadi Limited Director • Company Director | 24 Jun 1992←9 Years→31 Mar 2002 | Active | |
Brunner Mond Limited Director • Company Director | 8 May 1992←9 Years→31 Mar 2002 | Dissolved | |
| Northwich Resource Management Limited Director • Company Director | 30 May 1991←10 Years→31 Mar 2002 | Active | |
Brunner Mond Generation Company Limited Director • Company Director | 30 May 1991←10 Years→31 Mar 2002 | Dissolved | |
| TC Africa Holdings Limited Director • Company Director | 29 May 1991←10 Years→31 Mar 2002 | Active | |
| Tata Chemicals Europe Limited Director • Company Director | 23 May 1991←10 Years→31 Mar 2002 | Active | |
