| Company | Timeline | Status | |
| S I Sealy Holdings Limited Director • Unreported | 7 Feb 2002←7 Years→19 Feb 2009 | Active | |
| 4-Site Limited Director • Consulting Engineer | 10 Jan 2001←6 Years→28 Nov 2007 | Active | |
| S.I. Sealy & Associates Limited Director • Consulting Engineer | 1 Jan 1993←16 Years→19 Feb 2009 | Active | |
| S.I. Sealy & Associates Limited Director • Unreported | 1 Jan 1970←39 Years→19 Feb 2009 | Active | |
