| Company | Timeline | Status | |
| The Walker Agency Limited Director • Finance Director | 1 Jun 2007←15 Years→30 Jun 2022 | Active | |
| Walker Blair Advertising Limited Secretary • Unreported | 1 Dec 1999←22 Years→30 Jun 2022 | Active | |
| The Walker Agency Limited Secretary • Unreported | 1 Dec 1999←17 Years→19 May 2017 | Active | |
