Vodafone Espana, the second-largest mobile operator in Spain, is using Alterian's marketing software for customer segmentation and campaign analysis.
Iberica has also won the contract to implement Alterian software at Telepizza'a CRM division. Telepizza operates a network of more than 200 company-owned and 300 franchise stores in Spain, Portugal, Poland, the Czech Republic and Central and South America.
Another recent customer is OgilvyOne Espana.
Ben Jackson, Alterian's head of European partners, said: "We are delighted that our relationship with Iberica is going from strength to strength, having won 21 clients since becoming a master reseller in 2004."
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