| Company | Timeline | Status | |
| Nova Cement Scotland Limited Director • Unreported | 30 Jan 2023←2 Years 9 Months→Current | Active | |
| HCP1 Limited Director • Director | 25 Nov 2020←4 Years→Current | Active | |
| Hillhouse Estates Limited Director • Unreported | 1 Jun 2020←5 Years→Current | Active | |
| Mac Asphalt (Scotland) Ltd Director • Director | 18 Oct 2019←6 Years→Current | Active | |
| Mac Asphalt Limited Director • Director | 18 Oct 2019←5 Years→24 Jun 2025 | Dissolved | |
| WM. Paton & Sons Limited Director • Director | 1 Sep 2012←5 Years→27 Nov 2017 | Active | |
| Hillhouse Quarry Group Limited Director • Director | 1 May 2008←17 Years→Current | Active | |
| Mineral Products Association Limited Director • Managing Director | 15 Nov 2007←10 Years→14 Sep 2018 | Active | |
| West Lothian Recycling Limited Director • Area Operations Director | 18 Jan 2007←3 Months→14 May 2007 | Dissolved | |
| Mineral Products Association (Scotland) Director • Managing Director | 28 Jun 2006←12 Years→14 Sep 2018 | Active | |
