| Company | Timeline | Status | |
| Jacobite Cruises Limited Director • Director | 1 Feb 2024←1 Year 10 Months→Current | Active | |
| Green Energy Partners (Holdings) Limited Director • Company Director | 30 May 2022←3 Years→29 Sep 2025 | Active | |
| Smart Energy Optimisation Limited Director • Company Director | 30 May 2022←3 Years→29 Sep 2025 | Active | |
| Gep Environmental Limited Director • Company Director | 30 May 2022←3 Years→29 Sep 2025 | Active | |
| WGC Fire And Ceilings Ltd Director • Company Director | 19 May 2022←6 Months→13 Dec 2022 | Dissolved | |
| Bellmac Fire & Ceilings Systems Ltd Director • Company Director | 19 May 2022←6 Months→13 Dec 2022 | Dissolved | |
| Capstone Construction Holdings Limited Director • Company Director | 19 May 2022←3 Years→29 Sep 2025 | Active | |
| Capstone Construction Scotland Limited Director • Company Director | 19 May 2022←3 Years→29 Sep 2025 | Active | |
| Capstone Connect Limited Director • Company Director | 23 Mar 2022←3 Years→29 Sep 2025 | Active | |
| G H Johnston Building Consultants Limited Director • Company Director | 18 Nov 2021←2 Years 4 Months→2 Apr 2024 | Dissolved | |
