With 1800 programmatic experts Xaxis has more than 3000 customers in 47 markets in North America Europe Asia-Pacific Latin America and Middle East. Xaxis is a member of WPP's GroupM.\Founded in 1923 Y&R is a world leader in marketing communications within WPP network. The agency operates as a global boutique agency that connects deep information on local companies' needs with consumers united by a global team. Y&R's customer list includes RockCked Dell Xerox Burger King Movistar Carat is a comprehensive media buying and planning agency that seeks to redefine media for today's most innovative clients... The agency consistently ranks high in RECMA's global qualitative assessment ranking serving clients in 150 countries with more than 10 000 talented employees. Carat is also the largest agency in Dentsu Aegis network in terms of annual revenues. \Walter Thompson is one of the best-known marketing agencies in the world having been creating creative solutions for lasting brands for over..