| Company | Timeline | Status | |
| Trewinnard Court Management Limited Director • Chartered Secretary | 10 Jan 2001←1 Year 1 Month→28 Feb 2002 | Active | |
| Imerys Talc UK Holding Limited Director • Chartered Sec | 17 Jul 1995←2 Years 6 Months→30 Jan 1998 | Active | |
| Rio Tinto Marketing Services Limited Director • Company Secretary | 3 Jul 1995←2 Years 7 Months→30 Jan 1998 | Dissolved | |
| Rio Tinto Indonesian Holdings Limited Director • Chartered Secretary | 3 Jul 1995←2 Years 7 Months→30 Jan 1998 | Active | |
| Cnuc(UK) Mining Co. Ltd Director • Chartered Secretary | 30 Nov 1994←3 Years→30 Jan 1998 | Active | |
| Imerys Talc UK Holding Limited Secretary • Unreported | 22 Dec 1993←4 Years→30 Jan 1998 | Active | |
| Rio Tinto Iron & Titanium Limited Director • Chartered Secretary | 24 Mar 1993←4 Years→30 Jan 1998 | Dissolved | |
| Rio Tinto Nominees Limited Director • Chartered Secretary | 1 Feb 1993←4 Years→30 Jan 1998 | Active | |
| R.T.Z. Computer Services Limited Director • Chartered Secretary | 9 Jun 1992←33 Years→Current | Liquidation | |
| Rio Tinto Australian Holdings Limited Director • Chartered Secretary | 7 Jun 1992←5 Years→30 Jan 1998 | Active | |
