WPP revenues up 6% for 2015

Full year net profit increased 7.7% at constant currency to £2bn while pre-tax profit increased 5.6% ( 8.7% at constant currency) to reach £1.77bn.

Net new business totalled £5.56bn.

Its financial report pointed to like-for-like revenue growth in all regions, with North America being particularly strong, and in all sectors except data investment management .

WPP’s chief executive, Martin Sorrell (pictured), has been cautious about ad industry prospects because of uncertainty in world economics and politics. He cited the Ukraine crisis, Middle East and North Africa instability and the potential for the UK to leave the EU as his chief concerns.