| Company | Timeline | Status | |
Clareti Systems Limited Director • Company Director | 10 May 1992←2 Years 8 Months→13 Jan 1995 | Dissolved | |
| Clareti Technologies Limited Director • Company Director | 10 May 1992←2 Years 8 Months→13 Jan 1995 | Active | |
| Gresham Technologies Limited Director • Company Director | 10 May 1992←12 Years→28 May 2004 | Active | |
| Gresham Technologies (UK) Limited Director • Unreported | 10 May 1992←2 Years 8 Months→13 Jan 1995 | Active | |
| Gresham Telecomputing Limited Director • Company Director | 10 May 1991←3 Years→13 Jan 1995 | Active | |
| Circa Business Systems Limited Director • Company Director | 10 May 1991←3 Years→13 Jan 1995 | Active | |
Gresham Computer Personnel Limited Director • Company Director | 10 May 1991←3 Years→13 Jan 1995 | Dissolved | |
Itec Computer Broking Limited Director • Company Director | 10 May 1991←3 Years→13 Jan 1995 | Dissolved | |
| Gresham Tech Limited Director • Company Director | 10 May 1991←3 Years→13 Jan 1995 | Active | |
