| Company | Timeline | Status | |
| TDL Management Limited Director • Retired | 9 Jun 2004←21 Years→Current | Active | |
| TDL Management Limited Director • Retired | 9 Jun 2004←20 Years→26 Jan 2025 | Active | |
| Brett Prosser Limited Director • Business Consultant | 19 May 1995←30 Years→21 Oct 2025 | Dissolved | |
| Alexander Proudfoot (Europe) Limited Director • Managing Director | 13 Dec 1992←3 Months→31 Mar 1993 | Active | |
| Management Consulting Group Plc Director • Group Chief Executive | 2 Nov 1992←2 Years 4 Months→30 Mar 1995 | Active | |
