| Company | Timeline | Status | |
| Yplas Limited Director • Director | 21 Dec 2015←9 Years→Current | Active | |
| Wyllie Recycling Limited Director • Managing Director | 26 Jun 2003←22 Years→Current | Active | |
| Wyllie Property Management Limited Director • Managing Director | 26 Jun 2003←22 Years→Current | Active | |
| Adam Robertson & Company Limited Director • Company Director | 10 Aug 1987←13 Years→25 Jan 2001 | Dissolved | |
