| Company | Timeline | Status | |
| John McNicol & Co. (Electrical Engineers) Limited Director • Electrical Engineer | 13 Oct 2005←12 Years→27 Dec 2017 | Active | |
| John McNicol & Co. (1938) Limited Secretary • Unreported | 19 Oct 1989←28 Years→27 Dec 2017 | Active | |
| John McNicol & Co. (1938) Limited Director • Electrical Engineer | 19 Oct 1989←28 Years→27 Dec 2017 | Active | |
