| Company | Timeline | Status | |
| Impact Lighting Design Services Ltd Director • Energy Consultant  | 10 Jan 2017←6 Years→6 Apr 2023  | Active  | |
| Carbon Control Systems Limited Director • Energy Consultant  | 1 Apr 2015←7 Years→1 Nov 2022  | Dissolved  | |
| Impact Lighting Solutions Limited Director • Energy Consultant  | 6 Mar 2013←10 Years→6 Apr 2023  | Active  | |
| E2 Engineering Ltd Director • Energy Consultant  | 12 Feb 2013←10 Years→14 Feb 2023  | Dissolved  | |
| Compound 100 Ltd Director • Energy Consultant  | 12 May 2010←13 Years→12 Mar 2024  | Dissolved  | |
| Rrif Ltd Director • Energy Consultant  | 23 Apr 2010←15 Years→Current  | Liquidation  | |
| Energy Investment Projects Ltd Director • Unreported  | 10 Feb 2010←15 Years→Current  | Active  | |
Ensys (Energy Systems) Limited Director • Consultant  | 4 Jan 2008←1 Month→29 Feb 2008  | Dissolved  | |
| E2 Services Limited Director • Managing Director  | 23 Mar 2005←18 Years→5 Apr 2023  | Active  | |
