| Company | Timeline | Status | |
| Viridis Forestry Ltd Director • Company Director | 13 Dec 2018←2 Years 4 Months→13 Apr 2021 | Dissolved | |
| Argyll Resources Limited Director • Unreported | 20 Dec 2007←18 Years→Current | Active | |
| ARG Enterprises Ltd Secretary • Unreported | 23 Nov 2005←20 Years→Current | Active | |
| Oban Skip Hire Ltd Director • Director | 10 Sep 2004←18 Years→30 Nov 2022 | Active | |
| G M S Enterprises Ltd Director • Company Secretary | 24 Aug 2001←24 Years→Current | Active | |
| West Highland Gas Limited Director • Company Secretary | 26 Nov 1999←23 Years→24 Nov 2022 | Active | |
| John Maclachlan (Quarries) Limited Secretary • Unreported | 1 Jul 1996←29 Years→Current | Active | |
| John Maclachlan Limited Secretary • Unreported | 1 Jul 1996←29 Years→Current | Active | |
