| Company | Timeline | Status | |
| Sirs Estates Limited Director • Engineer | 9 Nov 2010←12 Years→1 Sep 2023 | Active | |
| Sirs Engraving Limited Director • Managing Director | 25 Feb 2009←14 Years→1 Sep 2023 | Active | |
| Sirs Products Limited Secretary • Managing Director | 1 Jan 2000←20 Years→16 Apr 2020 | Active | |
| Sirs Products Limited Secretary • M D | 1 Jan 2000←1 Day→1 Jan 2000 | Active | |
| Sirs Products Limited Director • Managing Director | 20 Dec 1999←23 Years→1 Sep 2023 | Active | |
| S.I.R.S. Navigation Limited Director • Managing Director | 25 Jun 1991←32 Years→1 Sep 2023 | Active | |
| S.I.R.S. Navigation Limited Secretary • Unreported | 25 Jun 1991←27 Years→26 Jul 2018 | Active | |
