European B2B marketing leaders are not struggling with direction. In fact, the opposite is true. Across industries and markets, there is a clear and consistent view of what needs to happen next. Teams are focused on adapting to changing buyer behavior, investing in AI, and strengthening how they contribute to growth. And yet, despite this clarity, execution continues to lag.

The problem is not ambition or alignment. It is the ability to translate that ambition into consistent, scalable impact. And that is where a more fundamental issue comes into play: data.

A quarter of European B2B marketing leaders still say that poor data quality and accessibility is one of their biggest challenges. This is not just another operational issue. In a region where organizations operate across multiple markets with different requirements and levels of maturity, weak data foundations have a multiplier effect. They slow down decision-making, limit reuse of insights, and make it difficult to scale what works.

This becomes particularly visible when looking at how organizations use analytics. Many have invested significantly in measurement and reporting, but the impact often stops short of real decisions. More than one in four marketing leaders report that recommendations from analytics are not readily accepted within their organization.

That insight points to a deeper issue. The challenge is not the absence of data or analytics. It is the lack of confidence in them. When teams do not fully trust the data they are working with, they hesitate. Decisions are delayed, debated, or ultimately based on judgment instead of evidence.

At the same time, organizations are accelerating their adoption of generative AI, hoping to improve efficiency and engagement. Around 90% of European B2B marketing leaders say that their organization has already introduced generative AI for employees.

This creates a new level of urgency. AI depends on the same data foundation as everything else. If that foundation is fragmented or inconsistent, AI does not solve the problem. It amplifies it. Outputs become harder to interpret, and the gap between insight and action widens further.

What makes this situation challenging is that many organizations are trying to fix the symptoms rather than the cause. They invest in new tools, expand analytics capabilities, or launch more campaigns. But as long as the underlying data foundation remains fragmented, these efforts only deliver limited gains.

The reality is that European B2B marketing has already solved the strategic question. Teams know where to focus and what drives growth. The barrier is not vision. It is the system that needs to support execution.

Fixing this requires a shift in how data is treated. It needs to move from a local, fragmented asset to a shared foundation that enables consistent decision-making across markets and functions. It also requires a stronger link between measurement and action so that insights are not just produced but actually used to guide decisions. Until that foundation is in place, strategy will continue to move faster than execution.

European B2B marketing does not need more ideas. It needs the ability to act on the ones it already has.

If this sounds familiar, it is worth taking a closer look at how your data and measurement setup supports execution today. I work with B2B marketing leaders to identify where things break down and how to fix them in a scalable way. If you want to turn strong strategy into measurable outcomes, book a session with me and let’s walk through your situation together.

Read the full report here: European B2B Marketing Challenges, Priorities, And Growth Strategies 2026 | Forrester