| Company | Timeline | Status | |
| Northstandard Eu Designated Activity Company Director • Non-executive Director | 6 Apr 2019←2 Years 7 Months→16 Nov 2021 | Active | |
| Northstandard Limited Director • Independent Non-executive Director | 20 Feb 2013←8 Years→16 Nov 2021 | Active | |
| Argyll Ferries Limited Director • Company Director | 17 Feb 2011←1 Year 2 Months→18 Apr 2012 | Dissolved | |
| Cowal Ferries Limited Director • Company Director | 29 Jan 2007←5 Years→18 Apr 2012 | Dissolved | |
| Rathlin Ferries Limited Director • Company Director | 29 Jan 2007←5 Years→18 Apr 2012 | Dissolved | |
| Caledonian Macbrayne Limited Director • Director | 20 Oct 2006←2 Months→19 Dec 2006 | Active | |
| Calmac Ferries Limited Director • Finance Director | 26 Jul 2006←5 Years→18 Apr 2012 | Active | |
| Northlink Ferries Limited Director • Finance Director | 4 May 2006←5 Years→18 Apr 2012 | Active | |
| David Macbrayne Limited Director • Finance Director | 28 Feb 2006←6 Years→18 Apr 2012 | Active | |
| David Macbrayne HR (UK) Limited Director • Director | 19 Dec 2005←6 Years→18 Apr 2012 | Active | |
