| Company | Timeline | Status | |
| William J Marshall & Partners LLP Designated LLP Member • Unreported | 28 Sep 2011←11 Years→31 Mar 2023 | Active | |
| Robert Bird & Partners Limited Secretary • Engineer | 28 Jun 2002←3 Years→21 Sep 2005 | Active | |
| Robert Bird & Partners Limited Director • Engineer | 28 Jun 2002←5 Years→6 Dec 2007 | Active | |
