| Company | Timeline | Status | |
| Winkworth Holdings Limited Director • Managing Director | 29 Nov 2013←8 Years→30 Nov 2021 | Active | |
| P.P.M.A. Limited Director • Managing Director | 15 Dec 2010←10 Years→2 Dec 2021 | Active | |
Winkworth Mixers Limited Director • Managing Director | 21 Oct 2008←9 Years→29 May 2018 | Dissolved | |
| Winkworth Machinery Limited Director • Managing Director | 1 Sep 2008←13 Years→30 Nov 2021 | Active | |
| FHS Precision Limited Director • Managing Director | 1 Aug 2004←4 Years→29 Aug 2008 | Dissolved | |
| Sonardyne International Limited Director • Engineer | 25 Nov 1998←4 Years→21 Nov 2003 | Active | |
