| Company | Timeline | Status | |
| The Helen Hamlyn Trust Secretary • Chartered Accountant | 14 Jun 2004←11 Months→18 May 2005 | Active | |
| Michelin House Development Limited Director • Accountant | 24 Jul 2003←19 Years→27 Apr 2023 | Active | |
| The Helen Hamlyn Trust Director • Chartered Accountant | 27 Nov 2000←2 Years 1 Month→21 Jan 2003 | Active | |
Brandchart Limited Secretary • Unreported | 7 Sep 1992←14 Years→22 Dec 2006 | Dissolved | |
| Michelin House Investment Company Limited Director • Accountant | 31 Dec 1991←33 Years→28 Nov 2025 | Active | |
| Michelin House Development Limited Secretary • Unreported | 29 Apr 1991←31 Years→19 Jul 2022 | Active | |
