| Company | Timeline | Status | |
| Energy Metering Technology Limited Secretary • Energy Consultant | 26 May 2003←1 Year 9 Months→14 Mar 2005 | Active | |
| Energy Control Group Limited Secretary • Consultant | 21 May 2003←21 Years→15 Apr 2025 | Dissolved | |
| Energy Control Consultants Limited Secretary • Consultant | 21 May 2003←22 Years→1 Jul 2025 | Dissolved | |
