| Company | Timeline | Status | |
| Epichem Group Limited Director • Accountant | 12 Feb 2007←6 Months→15 Aug 2007 | Active | |
| Safc Hitech Limited Director • Accountant | 12 Feb 2007←6 Months→15 Aug 2007 | Active | |
Sigma Entity One Limited Director • Director Accountant | 9 Aug 2006←9 Years→27 Aug 2015 | Dissolved | |
| Safc Biosciences Limited Director • Accountant | 28 Feb 2005←10 Years→27 Aug 2015 | Active | |
Sigma-Genosys Ltd Director • Accountant | 13 Dec 2004←10 Years→27 Aug 2015 | Dissolved | |
Ultrafine Limited Secretary • Accountant | 10 May 2004←11 Years→27 Aug 2015 | Dissolved | |
UFC Limited Director • Accountant | 14 Apr 2004←11 Years→27 Aug 2015 | Dissolved | |
B-Line Systems Limited Director • Accountant | 16 Sep 2002←12 Years→27 Aug 2015 | Dissolved | |
Sigma-Aldrich Holdings Limited Director • Accountant | 16 Sep 2002←12 Years→27 Aug 2015 | Dissolved | |
Webnest Limited Director • Accountant | 16 Sep 2002←12 Years→27 Aug 2015 | Dissolved | |
