| Company | Timeline | Status | |
| GCM Industrial Engineering (Ni) Ltd Director • Chartered Engineer | 5 Jun 2024←1 Year 5 Months→Current | Active | |
| GMK Engineering Ltd Director • Director | 14 Sep 2022←3 Years→Current | Active | |
| GCM Industrial Engineering Ltd Director • Unreported | 5 Dec 2019←5 Years→Current | Active | |
GMK Engineering Limited Director • Director | 26 May 2018←2 Years 4 Months→13 Oct 2020 | Dissolved | |
