| Company | Timeline | Status | |
| Sailors' Orphan Society Of Scotland. (The) Director • Unreported | 3 Apr 2017←8 Years→Current | Active | |
| Miko Marine UK Ltd Director • Unreported | 21 Jan 2016←9 Years→Current | Active | |
Mainwynd Ltd Director • Chartered Engineer | 18 Jan 2016←1 Day→18 Jan 2016 | Dissolved | |
| Denholm Valvecare Limited Director • Chartered Engineer | 1 Apr 2010←7 Years→8 Feb 2018 | Dissolved | |
| Kelvin Harbour Limited Director • Company Director | 10 Feb 2010←10 Years→27 Aug 2020 | Active | |
| Clyde Maritime Centre Limited Director • Chartered Engineer | 1 Oct 2007←12 Years→27 Aug 2020 | Active | |
| The Tall Ship Glenlee Trust Director • Chartered Engineer | 1 Oct 2007←12 Years→27 Aug 2020 | Active | |
| Young & Cunningham Ltd Director • Unreported | 18 Jan 2007←18 Years→Current | Active | |
| Dobbie McInnes (Services) Limited Director • Unreported | 8 Nov 2006←19 Years→Current | Active | |
| Duncan Cunningham Engineering Consultants Limited Director • Unreported | 3 Jul 2006←19 Years→Current | Active | |
