| Company | Timeline | Status | |
| Peter Rayment Design Limited Director • Engineer | 4 Dec 1991←25 Years→6 Apr 2017 | Active | |
| Peter Rayment Design Limited Secretary • Unreported | 4 Dec 1991←27 Years→31 Jan 2019 | Active | |
| Tantek Furnaces Ltd Director • Unreported | 1 Jan 1970←55 Years→Current | Active | |
