| Company | Timeline | Status | |
| Cavernpower Limited Director • Accountant | 20 May 1998←6 Years→7 Jan 2005 | Active | |
| Roneval Quarries Limited Director • Company Director | 8 Aug 1991←18 Years→15 Sep 2009 | Active | |
| Islay & Jura Ferry Company Limited Director • Business Manager | 31 Dec 1989←2 Years 11 Months→17 Dec 1992 | Active | |
