Criteo is a global technology company that specializes in digital advertising. Founded in 2005, it provides personalized online advertising solutions to help businesses reach their target audiences effectively. Criteo uses data-driven algorithms to analyze user behavior and deliver relevant ads across various platforms, including websites and mobile apps. The company's primary service is retargeting, which allows advertisers to show ads to users who have previously visited their sites. This approach aims to increase conversion rates by reminding potential customers of products they showed interest in. Criteo's platform supports a wide range of industries, enhancing online marketing efforts for businesses worldwide.