| Company | Timeline | Status | |
| W P D Holland & Son Limited Director • Director | 1 Nov 2020←5 Years→Current | Active | |
| Oilfield Services TS Limited Director • Director | 3 Nov 2014←11 Years→Current | Active | |
JT Ventures Limited Director • Weld Service Engineer | 2 Sep 2011←3 Years→23 Jun 2015 | Dissolved | |
| A R Siddans Limited Director • Oil Field Engineer | 25 Feb 2005←12 Years→18 Mar 2017 | Active | |
| A R Siddans Limited Secretary • Oil Field Engineer | 25 Feb 2005←12 Years→18 Mar 2017 | Active | |
