| Company | Timeline | Status | |
| Clyde Broadcast Products Limited Director • Company Director | 12 Jun 1997←16 Years→9 Feb 2014 | Dissolved | |
| Southern Vectis Limited Director • Company Director | 13 Jan 1997←3 Years→18 Dec 2000 | Active | |
| Clyde Marina Limited Director • Director | 10 Nov 1995←18 Years→29 Jul 2014 | Active | |
| Vikoma International Limited Director • Retired | 17 Feb 1995←4 Years→30 Nov 1999 | Active | |
Rotor-Wheel (UK) Limited Director • Company Director | 23 Dec 1991←2 Years 4 Months→29 Apr 1994 | Dissolved | |
| Scottish Enterprise Dunbartonshire Director • Company Director | 28 Aug 1991←3 Years→16 Nov 1994 | Active | |
| Lotra Limited Director • Director | 1 Apr 1991←3 Years→29 Apr 1994 | Active | |
CS1 Limited Director • Co Director | 9 Aug 1990←3 Years→29 Apr 1994 | Dissolved | |
BJ Tubular Services Limited Director • Director | 6 Jul 1990←2 Years 2 Months→19 Sep 1992 | Dissolved | |
| Clarke Fire Protection Products Limited Director • Director | 31 Dec 1988←2 Years 10 Months→15 Nov 1991 | Active | |
