WPP plc agreed to buy Conexance, a French provider of data on consumer behavior, as the worlds largest advertising company seeks to expand in continental Europe in the wake of the U.K.’s vote to leave the European Union.

Conexance, based in Lille and Paris, uses a database of information from households and more than 500 contributing retailers to identify consumer behavior and attributes that are predictors of future purchases, WPP said in a statement. The company had sales of 5.9 million euros ($6.5 million) in 2015 and about 40 employees.

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