| Company | Timeline | Status | |
Great Projects Limited Director • Director | 4 Apr 2011←6 Years→9 Jan 2018 | Dissolved | |
| Dyffryn Gwyn Management Company Limited Director • Engineer | 4 May 2008←12 Years→31 Oct 2020 | Active | |
John Watson Sustainability Limited Director • Director | 28 Jul 2005←8 Years→15 Jul 2014 | Dissolved | |
John Watson Sustainability Limited Secretary • Director | 28 Jul 2005←8 Years→15 Jul 2014 | Dissolved | |
John Watson Investments Limited Secretary • Engineer | 14 Feb 1993←23 Years→16 Aug 2016 | Dissolved | |
John Watson Investments Limited Director • Engineer | 14 Feb 1993←23 Years→16 Aug 2016 | Dissolved | |
