| Company | Timeline | Status | |
| Southern Gas Networks Plc Director • Company Director | 15 Apr 2005←1 Month→1 Jun 2005 | Active | |
| DNS Halsey Associates Limited Director • Director | 11 Apr 2005←20 Years→Current | Active | |
| Northern Gas Networks Limited Director • Company Director | 27 Aug 2004←7 Months→15 Apr 2005 | Active | |
| Scotland Gas Networks Plc Director • Company Director | 27 Aug 2004←9 Months→1 Jun 2005 | Active | |
| Energy And Utility Skills Limited Director • Director Network Policy | 30 Jan 2002←1 Year 9 Months→20 Nov 2003 | Active | |
