| Company | Timeline | Status | |
| Electrical Training Services Limited Director • Director | 10 May 2007←18 Years→Current | Active | |
| Sgas Limited Director • Director | 20 Jan 2004←21 Years→Current | Active | |
| Sgas Limited Director • Director | 20 Jan 2004←21 Years→27 Mar 2025 | Active | |
| Specialist Gas Assessment Services Ltd Director • Unreported | 30 Jan 1998←27 Years→Current | Active | |
