| Company | Timeline | Status | |
| Ista Metering UK Limited Director • Director | 19 Jul 2004←2 Years 9 Months→25 Apr 2007 | Active | |
| LB Dormant Company 3 Limited Director • Managing Director | 30 Jun 2000←1 Year 7 Months→6 Feb 2002 | Dissolved | |
| Calisen Metering Services Limited Director • Managing Director | 30 Jun 2000←2 Years 5 Months→6 Dec 2002 | Active | |
| Switch2 Energy Limited Director • Director | 29 Jun 1999←4 Years→23 Dec 2003 | Active | |
| Ista Energy Solutions Limited Director • Director | 16 Jun 1999←7 Years→25 Apr 2007 | Active | |
