| Company | Timeline | Status | |
| Lambda Projects Limited Director • Chartered Civil Engineer | 6 Feb 2004←21 Years→Current | Active | |
| UCL Limited Director • Engineer | 27 Feb 2001←3 Years→1 Mar 2004 | Dissolved | |
| Unison Consulting Limited Director • Engineer | 27 Dec 2000←3 Years→1 Mar 2004 | Dissolved | |
| Unison Projects Ltd Director • Engineer | 10 Jun 1999←4 Years→1 Mar 2004 | Active | |
