| Company | Timeline | Status | |
| A R D Kitchens & Bathrooms Ltd Director • Plumber | 3 Feb 2006←19 Years→Current | Active | |
| A R D Properties Limited Director • Plumber | 22 Feb 1999←26 Years→Current | Active | |
| Alexander Duthie & Sons Limited Secretary • Unreported | 1 Oct 1997←28 Years→Current | Active | |
| Alexander Duthie & Sons Limited Director • Plumber | 11 Apr 1990←35 Years→Current | Active | |
