| Company | Timeline | Status | |
| Ritchie Brothers Holdings Limited Director • None | 1 Sep 2007←18 Years→Current | Active | |
| R.B. Construction (Redhouse) Ltd Director • Company Director | 17 Jan 1989←37 Years→Current | Active | |
| R.B. Construction (Redhouse) Ltd Director • Unreported | 1 Jan 1970←56 Years→Current | Active | |
