| Company | Timeline | Status | |
| Enviroflow Management Limited Director • Director | 1 Jan 2018←6 Years→31 Mar 2024 | Active | |
Environmental Storage Products Ltd Director • Chief Executive | 29 Jun 2016←2 Years 11 Months→27 May 2019 | Dissolved | |
Kirk Group Limited Director • None | 22 May 2014←4 Years→15 May 2019 | Dissolved | |
Biodome Limited Director • Civil Engineer | 22 May 2014←4 Years→12 May 2019 | Dissolved | |
Kirk Environmental Limited Director • Civil Engineer | 22 May 2014←3 Years→17 Apr 2018 | Dissolved | |
| VWN Services Ltd Director • Director | 1 Mar 2012←13 Years→Current | Active | |
Vennsys Limited Director • Director | 10 Dec 2010←1 Year 1 Month→27 Jan 2012 | Dissolved | |
Morrel Consulting Limited Director • Director | 10 Oct 2008←3 Years→21 Oct 2011 | Dissolved | |
Gas Heating UK Limited Director • Director | 11 Dec 2007←10 Months→3 Nov 2008 | Dissolved | |
| Gas Educational Training (Glasgow) Ltd Director • Director | 11 Dec 2007←10 Months→3 Nov 2008 | Dissolved | |
