| Company | Timeline | Status | |
| D.M. Mackinnon Estates Ltd Director • Unreported | 1 Sep 2008←17 Years→Current | Active | |
| Bell Ingram Realisation Limited Director • Chartered Surveyor | 20 Mar 1996←29 Years→Current | Liquidation | |
| Bell-Ingram Pipelines Limited Director • Chartered Surveyor | 14 Aug 1989←32 Years→23 Nov 2021 | Dissolved | |
