| Company | Timeline | Status | |
| Winiecki Associates Ltd Director • Unreported | 19 Oct 2010←15 Years→Current | Active | |
| Lucking & Clark LLP Designated LLP Member • Unreported | 30 Jul 2001←9 Years→31 Oct 2010 | Active | |
| Lucking & Clark Consulting Engineers Limited Director • Engineer | 15 Jan 1999←12 Years→31 Mar 2011 | Active | |
