| Company | Timeline | Status | |
| Rathburn Chemicals Limited Director • Doctor | 10 May 2015←10 Years→Current | Active | |
| Candleberry Limited Director • Doctor | 1 May 2015←10 Years→Current | Active | |
| Computoll Limited Director • Physician | 16 Mar 1999←26 Years→Current | Active | |
| Rathburn Chemicals (Manufacturing) Limited Director • Doctor | 30 Dec 1995←29 Years→Current | Active | |
