| Company | Timeline | Status | |
| DCVG Ltd Director • Corrosion Engineer | 24 Jul 2014←3 Years→14 Mar 2018 | Active | |
| Integrity Management Software Ltd Director • Managing Director | 13 May 2003←14 Years→14 Mar 2018 | Active | |
| Active Pipeline Refurbishment Technologies Ltd Director • Managing Director | 13 Mar 2003←15 Years→14 Mar 2018 | Active | |
| DC Voltage Gradient Technologies Ltd Director • Director | 28 Nov 2002←15 Years→14 Mar 2018 | Active | |
| Advanced Pipeline Rehabilitation Technologies Ltd Director • Director | 26 Nov 2002←15 Years→14 Mar 2018 | Active | |
| Pipeline Integrity Management Ltd Director • Consultant Engineer | 16 Jul 1997←20 Years→14 Mar 2018 | Active | |
| Advanced Pipeline Rehabilitation And Training Limited Director • Consultant Engineer | 15 Jun 1994←31 Years→Current | Liquidation | |
| DC Voltage Gradient Technology And Supply Limited Director • Consultant Engineer | 15 Jun 1994←23 Years→14 Mar 2018 | Active | |
