10 Key Lessons Learned at DMEXCO 2025

What can marketers take away from two days brimming with ideas, discussions and record-breaking figures? Our guide summarizes the key trends and lessons shared at DMEXCO 2025.

Be bold. Move forward. A photo of the motto displayed onstage, symbolizing lessons learned at DMEXCO 2025.
Image: © Koelnmesse GmbH / Jannes Schilling

From GenAI to sustainability: the topics making waves in the industry right now

Over 40,000 trade visitors, almost 1,000 speakers on 17 stages, more than 700 exhibitors – DMEXCO 2025 has demonstrated once again just how closely interconnected marketing, technology and society are today. Artificial intelligence, sustainability and authenticity dominated discussions at the event, highlighting the fact that the industry is at a turning point. But which findings are the most important for the day-to-day work of marketing teams? Our guide, “Top 10 Insights: Key Lessons from DMEXCO 2025,” sums up the event’s main takeaways for you.

DMEXCO 2025 insights in the guide

  • Generative AI: from buzzword to integral element in the workflow
  • Relevance over reach: Why data quality is more important than data collection
  • Authenticity as currency: insights about trust from Lufthansa CMO Olivier Krüger
  • Customer experience: How personalized, empathetic experiences build loyalty
  • Sustainability in martech: the impact of green hosting and efficient data models
  • The courage gap – results of the DMEXCO/Civey study: Boldness is called for but rarely practiced
  • Cooperation instead of going it alone: Why ecosystems are driving new growth
  • Leadership reimagined: leadership as a mindset – throughout teams, not just at the top
  • Clarity as a compass: How combining focus and boldness can make an impact
  • Hybrid formats are increasingly important: Why the future of brand communication is both online and offline

Discover the top lessons from DMEXCO 2025

Our guide is packed with figures, quotes and a heap of insights. Find out which trends dominated DMEXCO 2025 and how you can use them to develop specific marketing action plans for your brand.