| Company | Timeline | Status | |
| The Climbers' Club Limited Director • Retired | 14 Mar 2024←1 Year 8 Months→Current | Active | |
| Callander Community Hydro Limited Director • It Consultant | 28 Mar 2011←14 Years→Current | Active | |
| R.K. Allen Consultants Ltd Director • Software Consultant | 4 Dec 2002←21 Years→16 Apr 2024 | Dissolved | |
