| Company | Timeline | Status | |
| Havas UK Limited Secretary • Unreported | 1 Aug 2006←4 Months→1 Dec 2006 | Active | |
| Havas Shared Services Limited Secretary • Unreported | 1 Aug 2006←4 Months→1 Dec 2006 | Active | |
| Maitland Political Limited Secretary • Unreported | 28 Feb 2006←9 Months→1 Dec 2006 | Dissolved | |
| Hollander Communications Limited Secretary • Unreported | 28 Feb 2006←9 Months→1 Dec 2006 | Dissolved | |
| Havas Holdings Limited Secretary • Unreported | 15 Dec 2005←11 Months→1 Dec 2006 | Active | |
| Skybridge Group Limited Secretary • Unreported | 15 Jul 2005←1 Year 4 Months→1 Dec 2006 | Dissolved | |
| Snyder Direct Secretary • Unreported | 29 Apr 2005←1 Year 7 Months→1 Dec 2006 | Dissolved | |
| Snyder Group Limited Secretary • Unreported | 29 Apr 2005←1 Year 7 Months→1 Dec 2006 | Dissolved | |
| Snyder Communications Holdings (UK) Secretary • Unreported | 29 Apr 2005←1 Year 7 Months→1 Dec 2006 | Dissolved | |
| Havas Worldwide London Limited Secretary • Unreported | 9 Feb 2005←1 Year 9 Months→1 Dec 2006 | Active | |
