Services
At Tag Expert, we help businesses collect, measure, and activate their data with precision. From GA4 implementation to server-side tracking and custom dashboards, we build the analytics foundation your growth depends on.

Data Quality Audit
Comprehensive audits of your analytics implementation to identify tracking gaps, data inconsistencies, and optimization opportunities.

Google Analytics 4
Expert GA4 implementation, migration, and optimization to turn your web and app data into actionable business insights.

GTM Server-side
Server-side tagging implementation to improve data accuracy, page speed, and privacy compliance with first-party infrastructure.

Looker Studio Dashboards
Custom Looker Studio dashboards that transform complex data into clear, actionable visualizations for your entire team.
Our process
Discovery & Audit
We start by understanding your business objectives, current analytics setup, and data challenges. This foundation ensures every tracking decision is aligned with your goals.
Tracking Plan
We design a comprehensive measurement plan mapping every event, parameter, and conversion to your business KPIs.
Implementation
Our team deploys the tracking plan through GTM, configures data layers, sets up server-side infrastructure, and connects all data sources.
Quality Assurance
We rigorously test every event, data flow, and conversion path to ensure accuracy and completeness before going live.
Training & Support
We train your team on analytics tools and dashboards, provide comprehensive documentation, and offer ongoing support to maximize your data investment.





Testimonials
Jean-Louis Monin
Head of Digital at The Invisible Collection
Valerie Gele
Digital Director at Otelo
Philippe Meyrueis
CEO at Distrimed
Tarik Peudon
Founder at Clicboutic
Jean-Louis Monin
Head of Digital at The Invisible Collection
Valerie Gele
Digital Director at Otelo
Philippe Meyrueis
CEO at Distrimed
Tarik Peudon
Founder at Clicboutic
Jean-Louis Monin
Head of Digital at The Invisible Collection
Valerie Gele
Digital Director at Otelo
Philippe Meyrueis
CEO at Distrimed
Tarik Peudon
Founder at Clicboutic
Jean-Louis Monin
Head of Digital at The Invisible Collection
Valerie Gele
Digital Director at Otelo
Philippe Meyrueis
CEO at Distrimed
Tarik Peudon
Founder at Clicboutic