| Company | Timeline | Status | |
| Sigma Commercial Products Limited Director • Director | 13 Jul 2021←2 Years 4 Months→7 Dec 2023 | Active | |
| S A L Group Limited Director • Director | 13 Jul 2021←2 Years 4 Months→7 Dec 2023 | Active | |
| Sal Italy Limited Director • Director | 13 Jul 2021←2 Years 4 Months→7 Dec 2023 | Active | |
| Sigma ASL Logistics Limited Director • Director | 13 Jul 2021←2 Years 4 Months→7 Dec 2023 | Active | |
| Sigma ASL Limited Director • Director | 1 Feb 2018←5 Years→7 Dec 2023 | Active | |
Sigma Pipeline Solutions Limited Director • Director | 25 Jul 2009←1 Year 4 Months→1 Dec 2010 | Dissolved | |
| Sigma Commercial Products Limited Director • Director | 8 Dec 2005←10 Years→31 Mar 2016 | Active | |
| S A L Group Limited Director • Director | 1 Jun 2005←10 Years→31 Mar 2016 | Active | |
| Sal Italy Limited Director • Director | 1 Jun 2005←10 Years→31 Mar 2016 | Active | |
| Sigma ASL Limited Director • Director | 1 Jun 2005←10 Years→31 Mar 2016 | Active | |
