PARIS, FRANCE: Marketing services group Havas grew 8.1% organically in North America in the first half of 2011.

According to H1 financial results released today for the six months ending 30 June, Havas reported overall organic growth of 5.6%, compared to 1.8% in the same period last year.

Revenue in the first half of the year increased to $1.1 billion, compared to $1.05 billion in 2010, a gross increase of 5%.

The global communications group, which owns Euro RSCG Worldwide PR, and Abernathy MacGregor ...