| Company | Timeline | Status | |
| Erce Limited Director • Director | 18 Apr 2018←3 Years→1 Mar 2022 | Active | |
| Equipoise Solutions Limited Director • Director | 13 Apr 2015←9 Years→28 Mar 2025 | Active | |
| Erc Equipoise Limited Director • Director | 1 Oct 2010←7 Years→25 Sep 2018 | Active | |
| Petrofac Facilities Management Group Limited Director • Reservoir Engineer | 12 Aug 1999←10 Months→1 Jul 2000 | Active | |
| PGS Reservoir Limited Director • Director | 4 Apr 1996←10 Months→5 Feb 1997 | Dissolved | |
| PGS Pension Trustee Limited Director • Engineer | 23 Jan 1995←2 Years 1 Month→14 Mar 1997 | Active | |
| Geotrace Data Integration Services Limited Director • Technical Dir | 8 Jul 1994←2 Years 2 Months→11 Sep 1996 | Dissolved | |
| Erc Energy Resource Consultants Limited Director • Petroleum Engineer | 22 Jul 1993←31 Years→28 Mar 2025 | Active | |
