| Company | Timeline | Status | |
| Siddons Steel Castings Limited Director • Director | 28 Nov 2012←10 Years→18 Apr 2023 | Dissolved | |
| Siddons Alloy Castings Ltd Director • Unreported | 1 Jan 1970←55 Years→Current | Active | |
| South Staffordshire Training Association Limited(The) Director • Unreported | 1 Jan 1970←55 Years→Current | Active | |
| Joseph And Jesse Siddons Limited Director • Unreported | 1 Jan 1970←55 Years→Current | Active | |
