| Company | Timeline | Status | |
| Gresham Technologies Limited Secretary • Unreported | 13 Jan 1998←6 Years→13 Feb 2004 | Active | |
| Cheerkeep Limited Director • Chartered Accountant | 1 Jan 1998←8 Years→30 Jun 2006 | Active | |
Circa Selection Limited Director • Chartered Accountant | 1 Jan 1998←8 Years→30 Jun 2006 | Dissolved | |
Casablanca Software Limited Director • Chartered Accountant | 1 Jan 1998←8 Years→30 Jun 2006 | Dissolved | |
| Gresham Technologies (Solutions) Limited Director • Chartered Accountant | 1 Jan 1998←8 Years→30 Jun 2006 | Active | |
Clareti Systems Limited Director • Chartered Accountant | 1 Jan 1998←8 Years→30 Jun 2006 | Dissolved | |
| Gresham Telecomputing Limited Director • Chartered Accountant | 1 Jan 1998←8 Years→30 Jun 2006 | Active | |
| Circa Business Systems Limited Director • Chartered Accountant | 1 Jan 1998←8 Years→30 Jun 2006 | Active | |
| Clareti Technologies Limited Director • Chartered Accountant | 1 Jan 1998←8 Years→30 Jun 2006 | Active | |
Gresham Computer Personnel Limited Director • Chartered Accountant | 1 Jan 1998←8 Years→30 Jun 2006 | Dissolved | |
