Who founded Ipsos and when was it established?
Ipsos was founded in 1975 by Didier Truchot, who previously worked at the Institut français d'opinion publique. Truchot remained Chairman of the company after stepping down as CEO in November 2021.
Questions about Ipsos
Short answers, pulled from the story.
What does the name Ipsos stand for?
Ipsos is an acronym for Institut Public de Sondage d'Opinion Secteur and is also inspired by a Latin expression. The company is headquartered in Paris, France.
How large is Ipsos and how many countries does it operate in?
As of 2025, Ipsos has offices in 87 countries and employs approximately 20,000 people. Its revenues totalled €2,525 million in 2025.
When did Ipsos acquire Synovate and what was the result?
Ipsos acquired Synovate, the research division of Aegis Group Plc, in 2011. The acquisition made Ipsos the world's third largest research agency.
How does Ipsos conduct polling in the United States?
Ipsos conducts U.S. polls through KnowledgePanel, a probability-based online panel of about 60,000 members recruited via address-based sampling using the United States Postal Service's Delivery Sequence File. Results are weighted against U.S. census data including the Current Population Survey and American Community Survey.
How much did Ipsos pay to acquire MORI in the United Kingdom?
Ipsos announced in October 2005 that it would acquire MORI for £88 million and merge it with Ipsos UK. The merged entity was named Ipsos MORI and rebranded to simply Ipsos in February 2022.