| Company | Timeline | Status | |
| R & D Storage (Cupar) Limited Director • Unreported | 12 Dec 2019←5 Years→Current | Active | |
| Robert Mason Developments Limited Director • Unreported | 17 Aug 2018←7 Years→Current | Active | |
| Robert Mason Contracts Limited Director • Unreported | 31 Jul 2015←10 Years→Current | Active | |
