| Company | Timeline | Status | |
| Grange Homes (Scotland) Director • Unreported | 1 Dec 2014←11 Years→Current | Active | |
| Burghead Natural Stone Ltd Director • Managing Director | 2 Nov 2012←13 Years→Current | Active | |
| Billy Miller Contractor & Plant Hire Director • Managing Director | 3 Mar 2009←16 Years→Current | Active | |
Bloomfield Homes Limited Director • Contractor | 10 Apr 2006←13 Years→21 Jan 2020 | Dissolved | |
| Billy Miller & Son Limited Director • Plant Hire Contractor | 26 Nov 2003←22 Years→Current | Active | |
