Ipsos helps its clients test and evaluate brands, products, promotions, advertising, marketing, customer satisfaction, and public opinion. Ipsos SA conducts surveys through telephone interviews, face-to-face interviews, and panels. Ipsos SA is organized along five research practices (advertising, marketing, media, quality and consumer satisfaction, and public opinion research). Founded in 1975, Ipsos has offices in the US, Europe, Asia, Latin America, and the Middle East. Ipsos SA Ipsos MORI unit caters to the UK. Through a holding company, top executives Didier Truchot and Jean-Marc Lech have about 42% voting control of the firm.