| Company | Timeline | Status | |
| ALLT Choille-Rais Hydro Ltd Director • Engineer | 29 Sep 2015←2 Years 1 Month→31 Oct 2017 | Active | |
| West Dunbartonshire Leisure Trust Director • Unreported | 23 Dec 2011←4 Years→29 Jun 2016 | Active | |
| Active Access Limited Director • Director | 17 Jan 2004←5 Years→3 Feb 2009 | Liquidation | |
| HSP Strathclyde Limited Director • Chairman | 2 Oct 1989←5 Years→17 Jan 1995 | Liquidation | |
| Nevis Range Development Company Limited Director • Company Director | 1 Jun 1989←27 Years→25 Apr 2017 | Active | |
