| Company | Timeline | Status | |
| Gillespie GRG (Ni) Limited Director • Director | 2 Aug 2024←1 Year 4 Months→Current | Active | |
| Errigal Sustainable Solutions Limited Director • Operations Director | 6 Jun 2024←1 Year 6 Months→Current | Active | |
| Comfort Frame Ltd Director • Director | 20 Oct 2023←2 Years 1 Month→Current | Active | |
| Motion Frame Limited Director • Director | 20 Oct 2023←2 Years 1 Month→Current | Active | |
| Errigal Iwi (Holdings) Limited Director • Director | 27 Jun 2023←2 Years 5 Months→Current | Active | |
| Gillespie (UK) Limited Director • Director | 2 Mar 2023←2 Years 9 Months→Current | Active | |
| Enkalon Developments Limited Director • Director | 12 Jan 2023←2 Years 11 Months→Current | Active | |
| Potter Cowan & Company (Belfast), Limited Director • Director | 14 Dec 2022←2 Years 12 Months→Current | Active | |
| Errigal GRG Holdco Limited Director • Operations Manager | 3 Oct 2022←3 Years→Current | Active | |
| Quartz Holdco Limited Director • Company Director | 30 Sep 2022←3 Years→Current | Active | |
