Congress opportunities do not always begin with an RFP or an established event. They can emerge much earlier, through relationships between association decision-makers, scientific communities and congress operators. Being present while new projects are taking shape creates a different dimension of congress business development.

Annual rankings tell us who is performing today. Historical analysis reveals who remains competitive over time—and, more importantly, why. Looking beyond the rankings, this editorial explores the structural dynamics, competitive systems and professional networks that shape long-term success in the international congress market.

The 2026 Outlook explores how scientific congresses in Europe are evolving into strategic ecosystems — and what this means for destinations, PCOs, and associations.

In a time of accelerated transformation, the congress industry finds itself at a crossroads. Scientific societies, especially in the medical and healthcare sectors, are facing increasing complexity: a growing offer of technological solutions, new logistical models, shifting cost structures, and a global environment marked by uncertainty and opportunity alike. It was within this context that the publication Congress 4.0 – Rethinking Work, Solutions, and Strategies was presente