Business intelligence applications maker Tableau Software revealed this week that it has signed online marketing firm Onetomarket as a client. The financial impact of the customer win was not disclosed. According to Seattle-based Tableau, Onetomarket has deployed Tableau's solutions in order to better understand and share data with Onetomarket's clients. Headquartered in Europe, Onetomarket provides online marketing strategies and analytics for a client roster that includes KLM, American Express, AEGON Bank, Amadeus Carrefour and Camper.