| Company | Timeline | Status | |
| Spark Technology Services Limited Director • Company Director | 30 Jul 1993←2 Years 2 Months→28 Sep 1995 | Active | |
| Redsky It (Crick) Limited Director • Company Director | 1 Dec 1992←8 Months→31 Jul 1993 | Active | |
| Coulson Heron Associates Limited Director • Director | 4 Oct 1991←1 Year 1 Month→29 Nov 1992 | Dissolved | |
