| Company | Timeline | Status | |
| Smart Energy Code Company Limited Director • Managing Director And Vip For Elster | 23 Sep 2013←1 Year→23 Sep 2014 | Active | |
| Horstmann Controls Limited Director • Director | 13 Dec 2007←1 Year 4 Months→5 May 2009 | Active | |
Secure Controls (UK) Limited Director • Director | 13 Dec 2007←1 Year 4 Months→5 May 2009 | Dissolved | |
Halogen Power Limited Director • Director | 12 Jul 2006←1 Year 11 Months→3 Jul 2008 | Dissolved | |
| Spark Gas Shipping Ltd Director • Unreported | 12 Jul 2006←9 Months→18 Apr 2007 | Dissolved | |
| Spark Energy Supply Ltd Director • Director | 12 Jul 2006←9 Months→18 Apr 2007 | Liquidation | |
Secure Meters Technology Limited Director • Director | 12 Jul 2006←2 Years 9 Months→5 May 2009 | Dissolved | |
| Utilita Field Services Limited Director • Director | 12 Jul 2006←2 Years 9 Months→5 May 2009 | Active | |
| Hooga Limited Director • Director | 12 Jul 2006←2 Years 9 Months→5 May 2009 | Active | |
| Luxion Sales Limited Director • Director | 12 Jul 2006←2 Years 9 Months→5 May 2009 | Active | |
