| Company | Timeline | Status | |
| Taff-Ely Wind Farm Project Limited Director • Commercial Manager | 24 Feb 1993←1 Year 1 Month→6 Apr 1994 | Dissolved | |
| Biogas Generation Limited Director • Commercial Manager | 29 Apr 1992←1 Year 10 Months→24 Mar 1994 | Dissolved | |
| Ryton Energy Limited Director • Commercial Manager | 2 Dec 1991←2 Years 3 Months→28 Mar 1994 | Dissolved | |
