| Company | Timeline | Status | |
| Berwick Rangers Football Club Public Limited Company Director • Refuse Disposal Operative Company Direct | 31 Dec 1990←1 Year 1 Month→13 Feb 1992 | Active | |
| Amco Energy Limited Director • Environmementalist | 24 Oct 1989←36 Years→Current | Active | |
David Cochrane (Duns) Limited Director • Waste Disposal Merchant | 19 May 1989←9 Years→16 Apr 1999 | Dissolved | |
