| Company | Timeline | Status | |
| O S W (Horsmonden) Management Company Limited Director • Director Precision Engineering | 28 Apr 2011←1 Year 3 Months→31 Jul 2012 | Active | |
| SHM Holdings Limited Director • Administrative Director | 9 Sep 1991←26 Years→14 Dec 2017 | Active | |
| S. H. Muffett Limited Director • Administrative Director | 9 Sep 1991←26 Years→14 Dec 2017 | Active | |
