| Company | Timeline | Status | |
| Winiecki Associates Ltd Director • Consulting Engineer  | 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  | |
