| Company | Timeline | Status | |
| Perimeter Security Suppliers Association Director • Director/engineer | 1 Aug 2009←15 Years→24 Mar 2025 | Active | |
| Frontier-Pitts Limited Secretary • Unreported | 9 Jan 1996←29 Years→10 Jun 2025 | Active | |
| Frontier-Pitts Limited Director • Electronics Engineer | 14 Feb 1991←33 Years→21 Oct 2024 | Active | |
