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GA4 360 Migration & BigQuery Data Architecture

Complete migration from Universal Analytics to GA4 360 for a luxury e-commerce platform with 5M+ monthly active users and 25M+ monthly product views, including dataLayer restructuring, attribution correction, and BigQuery integration.

What NIMA Digital Built

  • ◆Restructured dataLayer eliminating redundant parameters and optimizing for new KPIs
  • ◆Executed personalized GA4 360 migration minimizing data discrepancies
  • ◆Simplified Google Tag Manager with single tag/trigger model, reducing maintenance costs
  • ◆Fixed attribution accuracy: resolved self-referral traffic, Direct/Unassigned channel inflation, and paid channel underestimation
  • ◆Implemented Consent Mode V2 for GDPR privacy compliance
  • ◆Integrated BigQuery for advanced data analysis and custom marketing reports
  • ◆Filtered bot traffic and corrected page_location parameters

Our Approach

NIMA Digital led the complex migration from Universal Analytics to GA4 360 during a simultaneous website platform migration, ensuring tracking continuity throughout. The approach prioritized data quality, fixing systematic attribution errors that had been inflating Direct traffic and underestimating paid channels. BigQuery integration enabled the team to identify data anomalies and generate advanced marketing reports impossible within the GA4 interface alone.

Published Results

5M+ monthly active users tracked with accurate attribution

Source: Tag Manager Italia case study

25M+ monthly product views with optimized dataLayer

Source: Tag Manager Italia case study

Technology Stack

Google Analytics 4 360

Enterprise analytics with advanced reporting

Google Tag Manager

Simplified tag architecture and Consent Mode V2

Google BigQuery

Advanced data warehouse for marketing analytics

Recognition

Published Tag Manager Italia Case Study

Detailed technical analysis of GA4 migration best practices

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Analytics & BI

GA4 migration and BigQuery integration

Digital Strategy

Data architecture and KPI framework