| Company | Timeline | Status | |
| Taylor Nelson Sofres Services Limited Secretary • Unreported | 24 Sep 1999←2 Years 2 Months→30 Nov 2001 | Active | |
TNS Insight Limited Secretary • Unreported | 9 Nov 1995←6 Years→30 Nov 2001 | Dissolved | |
| Kantar UK Limited Secretary • Unreported | 22 Aug 1995←6 Years→30 Nov 2001 | Active | |
| Taylor Nelson Sofres International Limited Secretary • Unreported | 6 Aug 1993←8 Years→30 Nov 2001 | Active | |
TNS Field Limited Secretary • Unreported | 28 Apr 1993←8 Years→30 Nov 2001 | Dissolved | |
| TNS Group Holdings Limited Secretary • Unreported | 1 Mar 1993←8 Years→30 Nov 2001 | Active | |
| Kantar Dormant Limited Secretary • Company Secretary | 16 Jun 1992←9 Years→30 Nov 2001 | Dissolved | |
| Harland Simon Automation Systems Ltd Secretary • Unreported | 1 Jan 1992←33 Years→Current | Liquidation | |
