| Company | Timeline | Status | |
| St.George's Hill Residents Association Limited Director • Chartered Engineer | 8 Feb 1999←3 Years→28 Dec 2002 | Active | |
| SR Technics UK Limited Director • Company Director/engineer | 21 Jun 1992←2 Years 8 Months→16 Mar 1995 | Active | |
| St.George's Hill Residents Association Limited Director • Consultant | 9 Apr 1992←5 Years→30 Mar 1998 | Active | |
| Sterling Industries Limited Director • Chartered Engineer | 2 Aug 1991←10 Years→28 Mar 2002 | Active | |
| Petroleum Engineering Services Limited Director • Company Director | 30 Jan 1989←6 Years→20 Apr 1995 | Dissolved | |
