Google Previews GeoX & Data Updates

Google has previewed a range of updates to its advertising measurement tools, including a new open-source solution for incrementality testing and an enterprise platform designed for marketing mix modelling. These changes are part of Google’s wider effort to improve how advertisers measure performance using first-party data, causal testing methods, and more connected reporting systems.

The announcements come ahead of Google Marketing Live on 20 May, where further details are expected around how Google Analytics and its broader measurement ecosystem will continue to evolve. While full roll-out timelines are still unclear, the direction of travel is focused on tighter integration between data, experimentation, and attribution tools.

Data Manager updates

A key part of the update is Google’s Data Manager. Over the coming months, it will introduce a new visual overview experience, including a map-style interface. This will show how data flows between different platforms such as BigQuery, Google Drive, HubSpot, and Shopify, and how that information is then used across Google Ads, Google Analytics, and the Google Marketing Platform.

This is designed to make it easier for advertisers to understand where their data comes from and how it is being used across different systems. Instead of working with disconnected data sources, the aim is to give a clearer end-to-end view of the entire measurement setup.

In addition, Google is expanding the Data Manager API in the coming weeks. This will allow advertisers to combine core tagging data with additional signals, including offline store sales data. For many businesses, this kind of blended measurement is becoming increasingly important as customer journeys move across both online and offline environments.

Google is also simplifying its tag setup process. A new visual configuration flow is being introduced, allowing marketers to set up tags without needing to write code. This update brings settings and access controls into a single interface, making it easier for non-technical teams to manage implementation.

According to Google, advertisers who moved to its tag gateway saw an average increase of around 14% in conversions based on internal data from the finance sector. The company also referenced partners such as Akamai, Cloudflare, Fastly, Google Cloud, and Webflow as part of the wider adoption ecosystem supporting these changes.

Meridian GeoX

Another major announcement is Meridian GeoX, a new open-source tool focused on incrementality testing through geographic experimentation. The idea behind GeoX is to help advertisers understand the true causal impact of their marketing activity by running controlled geo-based tests.

Rather than relying purely on attribution models, GeoX is designed to measure what happens when marketing activity is adjusted in specific regions. This helps answer a more direct question: did the advertising actually cause the uplift in results?

GeoX is built to work alongside Meridian, Google’s open-source marketing mix modelling framework. While MMM provides a broader view of marketing effectiveness based on historical data, GeoX adds an experimental layer that can validate those insights using real-world testing.

Although this is a new product announcement, the underlying approach is not entirely new. Google has previously made similar methodologies available through open-source repositories related to geographic matching and experiment design. The introduction of Meridian GeoX brings these concepts together under a single, more structured product within the Meridian ecosystem.

Testing for GeoX is expected to begin later this year, although Google has not yet confirmed wider availability or access details.

Meridian Studio

Alongside GeoX, Google is introducing Meridian Studio, a cloud-based enterprise platform designed for organisations managing large-scale marketing mix models. Built on Google Cloud, the platform aims to provide more flexibility for advanced modelling work while also improving access to richer data signals.

Meridian Studio is positioned as a more powerful environment for teams that need to run complex measurement setups at scale. It is intended to support more advanced customisation while still connecting into Google’s broader measurement ecosystem.

Google has also highlighted several measurement partners working across Meridian and Data Manager, including Adswerve, Choreograph (WPP), Brainlabs, Epsilon, Fifty-Five, Jellyfish, Making Science, and Merkle. These partners are expected to play a role in supporting adoption and implementation across different markets.

Why this matters

Taken together, these updates show Google continuing to unify its measurement approach around three core areas: first-party data integration, marketing mix modelling, and incrementality testing.

The addition of Meridian GeoX is particularly significant because it introduces a practical way to validate MMM outputs. While marketing mix models can estimate relationships between spend and outcomes, incrementality testing helps confirm whether those relationships are genuinely causal.

This combination is increasingly important in a privacy-focused advertising environment where traditional tracking methods are becoming less reliable. By combining modelling with experimentation, advertisers can gain a more complete picture of what is actually driving performance.

Google has already been moving in this direction for some time through tools such as Tag Diagnostics, Scenario Planner, updates to Meridian, and expansions to the Data Manager API. These latest announcements continue that broader strategy of building a more unified measurement stack.

However, many of the tools are still in development or early rollout stages. Data Manager improvements will be introduced gradually, GeoX is not yet in full testing, and Meridian Studio access details have not been fully shared.

Looking ahead

Google has confirmed that more information will be shared at Google Marketing Live on 20 May, particularly around how these tools will connect across advertising, analytics, and measurement systems.

There are also hints that changes to Google Analytics are on the way, although specifics have not yet been disclosed. For advertisers, the key questions now are when these tools will be widely available, how access will be structured, and how GeoX will operate in real-world campaign environments.

Overall, these updates point towards a more integrated future for measurement, where modelling, experimentation, and data infrastructure are increasingly connected rather than treated as separate systems.