| Company | Timeline | Status | |
| Institute Of Corrosion Director • Corrosion Engineer | 11 Nov 2010←5 Years→3 Dec 2015 | Active | |
| Correx Limited Director • Unreported | 1 Jun 2009←16 Years→Current | Active | |
D C Materials Supply Limited Director • Corrosion Engineer | 24 Jun 1992←27 Years→25 Jun 2019 | Dissolved | |
| Deep Water Corrosion Services (U.K.) Limited Director • Unreported | 1 Jan 1970←55 Years→Current | Active | |
