| Company | Timeline | Status | |
| James C. Gillespie (Engineering) Limited Director • Unreported | 22 Aug 2017←8 Years→Current | Active | |
| Gillespie Manufacturing Systems Limited Director • Director | 26 Jul 2017←8 Years→Current | Active | |
| Greenfold Systems Scarborough Limited Director • Director | 11 Jan 2016←9 Years→Current | Active | |
| Greenfold Systems Holdings Limited Director • Director | 28 Oct 2015←10 Years→Current | Active | |
| Excel Assemblies Holdings Limited Director • Unreported | 27 Aug 2015←10 Years→Current | Active | |
| Excel Assemblies Limited Director • Unreported | 4 Feb 2013←12 Years→Current | Active | |
| Ionix Aerospace Limited Director • Director | 4 Feb 2013←8 Months→4 Oct 2013 | Dissolved | |
| Silvertrees Associates Ltd Director • Director | 28 Sep 2011←14 Years→Current | Active | |
| Excel (Electronic) Assemblies Limited Director • Director | 2 Nov 2009←16 Years→Current | Active | |
