Engie Pro

ENGIE Pro strengthened the compliance and quality of its data collection while improving the performance of its digital acquisition, thanks to the implementation of a server-side tracking architecture with Addingwell, deployed in collaboration with Converteo.

+10%
known users
-30%
cost per click on Google Ads
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The implementation was relatively straightforward for our teams, with very strong support from Addingwell throughout the deployment phase. The teams are highly responsive, communication is smooth, and the advice is always relevant. Thanks to Addingwell, we have significantly improved the quality of our data collection.

François-Xavier Romieux
Head of Digital Performance

ENGIE Pro is a major player and a key partner in the energy transition for professionals, supplying electricity and gas to small and medium-sized businesses in France. 150 employees support 450,000 electricity and gas customers on a daily basis.

The website receives around 200,000 users on average and generates just over 300,000 sessions per month.

Challenge

Before working with Addingwell, ENGIE Pro faced two main challenges:

  • Continuing to collect data in compliance with analytics regulations
  • Improving the quality of data collection

Solution

To address these challenges, our partner Converteo supported ENGIE Pro in implementing a server-side tracking architecture. The objective was not an isolated use case, but a broader measurement strategy. The server-side implementation was structured in several key steps.

1) Analytics migration and GA4 scoping

ENGIE Pro took advantage of the project to migrate from Universal Analytics to GA4, starting with the configuration of GA4 tags.

2) Server-side architecture setup

  • Configuration of the server-side architecture
  • Validation of filtering rules

3) Dual tracking and gap analysis

  • Implementation of dual tracking tags
  • Configuration of a parallel property
  • Gap analysis between the two properties

Once the results were deemed conclusive, ENGIE Pro disabled the legacy tags and fully switched to the new architecture.

4) Ad blocker bypass & progressive media tag migration

The core data foundation (GA4 and server-side architecture) was deployed within a few weeks.

In a second phase, an additional rollout was carried out, including the implementation of third-party cookie persistence and an ad blocker bypass.This step enabled Engie Pro to significantly strengthen measurement reliability, improve user identification, and sustainably secure conversion tracking, even in constrained environments.

Results

+10% increase in known users, primarily driven by the implementation of third-party cookie persistence (deployed alongside the ad blocker bypass)
-30% cost per click on Google Ads
+59% improvement in Google conversion rate

ENGIE Pro also highlights the quality of the support:

  • Strong and consistent support from Addingwell throughout the deployment phase
  • A responsive and available team since implementation
  • Smooth communication and valuable advice, including on topics beyond the initial scope

Conclusion

Thanks to the collaboration between ENGIE Pro, Converteo, and Addingwell, ENGIE Pro now benefits from a robust and compliant server-side tracking architecture, designed to sustainably improve data quality and digital performance measurement.

The implementation of this new architecture has enabled ENGIE Pro to secure its analytics data, improve the performance of its acquisition campaigns, and rely on more accurate indicators to analyze and manage its marketing actions.

Addingwell proved to be simple and quick to integrate into the Engie Pro ecosystem, with efficient technical support throughout the implementation. The solution offers many ready-to-use features, such as event monitoring and reverse proxy, which integrate seamlessly and make it possible to rapidly deploy advanced tracking setups.

Lucas Defois
Tracking & Analytics Expert
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