| Company | Timeline | Status | |
| Roger White Design Director • Furnisher | 31 Dec 1991←33 Years→Current | Active | |
| Whites Porthmeor Limited Director • Furnisher | 15 Jun 1991←26 Years→27 Feb 2018 | Active | |
| Roger White Design Director • Unreported | 1 Jan 1970←56 Years→Current | Active | |
