| Company | Timeline | Status | |
| National Grid Plus Limited Director • Executive Vice President | 14 Aug 2009←3 Years→3 Sep 2012 | Active | |
| National Grid Carbon Limited Director • Executve Vice President | 25 Jun 2009←3 Years→3 Sep 2012 | Active | |
| National Grid International Limited Director • Executive Vice President | 14 Dec 2007←4 Years→3 Sep 2012 | Active | |
| National Grid Blue Power Limited Director • Executive Vice President | 6 Sep 2007←5 Years→12 Jul 2013 | Dissolved | |
| Beckton Energy Limited Director • Executive Vice President | 6 Sep 2007←3 Years→22 Jun 2011 | Active | |
| 2oc (Holdings) Limited Director • Executive Vice President | 6 Sep 2007←3 Years→22 Jun 2011 | Dissolved | |
| Britned Development Limited Director • Executive Vice President | 4 Jun 2007←5 Years→15 Sep 2012 | Active | |
| Natgrid One Limited Director • Chief Financial Officer And Sr | 29 Jul 2005←1 Year 10 Months→31 May 2007 | Dissolved | |
