| Company | Timeline | Status | |
| Sigma Fittings Limited Director • Accountant | 8 May 2013←1 Year 6 Months→6 Nov 2014 | Dissolved | |
Sigma Pipeline Solutions Limited Director • Accountant | 1 Dec 2010←3 Years→6 Nov 2014 | Dissolved | |
| Sigma Commercial Products Limited Director • Accountant | 15 May 2010←4 Years→6 Nov 2014 | Active | |
| S A L Group Limited Director • Accountant | 15 May 2010←4 Years→6 Nov 2014 | Active | |
| Sal Italy Limited Director • Accountant | 15 May 2010←4 Years→6 Nov 2014 | Active | |
| Sigma ASL Limited Director • Accountant | 15 May 2010←4 Years→6 Nov 2014 | Active | |
| Sigma ASL Logistics Limited Director • Accountant | 15 May 2010←4 Years→6 Nov 2014 | Active | |
