Headquartered in Paris, Criteo is one of the leading ad-tech companies in the growing digital ad market. Its technology, mainly the Criteo Engine, allows advertisers to launch multichannel and cross-device marketing campaigns in real time using retarget digital display ads. With real-time return on investment analysis of the ads, the firm’s clients can adjust their marketing strategies dynamically.Criteo SA is a technology company providing digital performance marketing. It sells internet display advertisements featuring product-level recommendations either directly to clients or to advertising agencies.