| Company | Timeline | Status | |
| DSF Trustees Limited Director • Managing Director | 18 Dec 2023←1 Year 10 Months→Current | Active | |
| DSF Refractories & Minerals Limited Director • Director | 7 Aug 2003←22 Years→Current | Active | |
| DSF (2003) Limited Director • Director | 7 Aug 2003←22 Years→Current | Active | |
| DSF Holdings Limited Director • Sales Manager | 16 Jul 2003←22 Years→Current | Active | |
| Heat Containment Industries Limited Director • Sales Manager | 15 Jul 2003←20 Years→2 Jan 2024 | Dissolved | |
