| Company | Timeline | Status | |
| Scotland's Lighthouse Museum Limited Director • Editor | 18 Mar 2004←3 Years→5 Sep 2007 | Active | |
| Coates Consulting Ltd Director • Unreported | 6 Jan 1997←28 Years→Current | Active | |
| Coates Consulting Ltd Secretary • Publishing Manager | 6 Jan 1997←28 Years→Current | Active | |
