- 2008 - Hogarth joined the group
- 2008 - Partners Andrews Aldridge and Fuel joined the group. Personal merged with Partners Andrews Aldridge
- 2007 - Liquid Communications joined the group to merge with Woo Communications
- 2007 - Digital Public joined the group
- 2007 - Republic PR joined the group, merging with AS Biss to create Mandate Communications
- 2007 - DC Interact joined the group, merging with Eyefall and Meme to create full service Digital Agency, Altogether
- 2006 - Karen Earl Sponsorship joined group
- 2006 - Launch of Huge Entertainment
- 2006 - Eyefall joined group
- 2005 - Bought Havas' minority stake and re-branded as Engine Group
- 2005 - Advocacy joined group
- 2005 - AS Biss & Slice joined group
- 2005 - Start-up of Woo
- 2004 - Personal joined group
- 2004 - Start-up of Meme
- 2004 - WCRS management team led Havas buyout
- 2004 - WCRS was founded in 1979 and Dave in 2003