Q1 revenue from PR and PA rose from £117.1m last year to £140.6m this year. The division accounted for ten per cent of group revenue, compared with 11 per cent in 2005.
North America and the UK represented the slowest-growing regions across the group, with 17 per cent and nine per cent growth respectively. Latin America, Asia, Africa and the Middle East posted a combined growth quotient of 26 per cent .
WPP owns some of the world's largest PR companies, including Burson-Marsteller and Hill & Knowlton. The group singled out Cohn & Wolfe, Ogilvy PR and Finsbury worldwide, and Buchanan Communications in the UK, as being particularly strong performers in the first quarter.
Rival global group Omnicom last week posted first-quarter PR revenues of £145.6m - up 1.5 per cent on the previous year (PRWeek, 28 April).