| Company | Timeline | Status | |
| Mearns Property Management Ltd Director • Lead Instrument & Controls Engineer | 19 Jan 2024←1 Year 9 Months→Current | Active | |
| C&I Systems Solutions Limited Director • Engineer | 29 Jan 2021←2 Years 3 Months→16 May 2023 | Dissolved | |
| C & I Site Solutions Ltd Director • Engineer | 5 Nov 2020←2 Years 6 Months→16 May 2023 | Dissolved | |
| Mearns Property Investments Ltd Director • Engineer | 10 Oct 2019←6 Years→Current | Active | |
| Process Safety Solutions Ltd Director • Lead Instrument And Controls Engineer | 13 Jun 2014←1 Year 5 Months→20 Nov 2015 | Active | |
PSS Epc Limited Director • Lead Instrument And Controls Engineer | 23 May 2014←2 Years 3 Months→8 Sep 2016 | Dissolved | |
| C & I Engineering Solutions Limited Director • Lead Instrument & Controls Engineer | 5 Sep 2013←12 Years→Current | Active | |
| GSL Engineering Services Limited Director • Engineer | 19 Aug 2004←18 Years→13 Dec 2022 | Dissolved | |
