DMEXCO 2026

What happened

Europe's largest digital marketing and ad-tech gathering, held every September at Koelnmesse. Two days of exhibition floor and conference stages covering retail media, measurement after third-party cookies, commerce and the practical end of applied AI.

The audience is agency, brand, publisher and platform side in roughly equal measure, which is what makes it the year's most efficient European business-development trip rather than purely a learning event.