| Company | Timeline | Status | |
| Kerr Compressor Engineers (East Kilbride) Limited Director • Financial Director | 31 Dec 1988←1 Month→31 Jan 1989 | Active | |
| S & J Ltd Director • Coy Secretary | 14 Jun 1988←27 Years→11 Apr 2016 | Active | |
| S & J Ltd Secretary • Coy Secretary | 14 Jun 1988←27 Years→11 Apr 2016 | Active | |
