| Company | Timeline | Status | |
R K Smith Consultancy Limited Director • Engineer | 12 Sep 2012←2 Years 6 Months→13 Mar 2015 | Dissolved | |
| Jacobs UK Holdings Limited Director • Executive | 13 May 2002←8 Months→31 Jan 2003 | Active | |
| Britest Limited Director • Executive | 2 Oct 2001←2 Years→23 Oct 2003 | Active | |
| Jacobs U.K. Limited Director • Executive | 4 Sep 2000←2 Years 4 Months→31 Jan 2003 | Active | |
| Jacobs U.K. Limited Director • Engineer | 22 Mar 1993←6 Years→3 Jul 1999 | Active | |
