| Company | Timeline | Status | |
| Sunningdale Estate (Knightwick) Limited Director • Retired | 10 Nov 2020←2 Years 5 Months→19 Apr 2023 | Active | |
| Sunningdale Estate (Knightwick) Limited Secretary • Analyst | 9 Feb 2006←3 Years→15 Oct 2009 | Active | |
| Bourne Edge (No 1) Management Company Limited Director • Analyst/programmer | 28 Jun 1999←2 Years 4 Months→19 Nov 2001 | Active | |
Drilling Software Services Limited Secretary • Unreported | 22 May 1992←25 Years→22 Aug 2017 | Dissolved | |
| Sunningdale Estate (Knightwick) Limited Secretary • Unreported | 22 Jul 1991←1 Year 11 Months→7 Jul 1993 | Active | |
| Sunningdale Estate (Knightwick) Limited Director • Computer Programmer | 22 Jul 1991←1 Year 11 Months→7 Jul 1993 | Active | |
