| Company | Timeline | Status | |
| Eco-Bioscience Limited Director • Director | 25 Nov 2015←9 Years→Current | Active | |
| YDJ1 Limited Director • Director | 13 Sep 2013←3 Years→9 Jan 2017 | Active | |
| Bio-Gard Limited Director • Consultant | 23 Aug 2013←12 Years→Current | Active | |
| S. E. Marshall & Co. Limited Director • Director | 6 Apr 2007←5 Years→30 Nov 2012 | Active | |
| Bircham Estates Ltd Director • Director | 1 Apr 2003←5 Years→31 Jul 2008 | Liquidation | |
| Bircham Estates Ltd Secretary • Director | 1 Apr 2003←5 Years→31 Jul 2008 | Liquidation | |
| Plantiflor Limited Director • Company Director | 28 Feb 1991←15 Years→28 Apr 2006 | Dissolved | |
