NEW YORK: WPP Group said like-for-like revenue for its PR and public affairs businesses grew 3.7% to $1.38 billion in 2010, with the unit growing 5.6% in the fourth quarter.

The 5.6% growth in like-for-like revenue at the PR and public affairs unit in Q4 excludes the impact of acquisitions and currency fluctuations.

Last week, Interpublic's Constituency Management Group, which includes its PR firms, reported a revenue rise of 10.8% for the year, up to $1,014 million from $915.1 million in 2009. Omnicom's 2010 annual revenue ...