| Company | Timeline | Status | |
| Simm Vulcanising Services Limited Director • Engineer | 10 Nov 2000←24 Years→Current | Active | |
| Simm Conveyor Services Limited Director • Engineer | 2 Oct 2000←25 Years→Current | Active | |
| Simm Conveyor Services Limited Director • Engineer | 2 Oct 2000←24 Years→4 Apr 2025 | Active | |
