Measure what matters with GA4

Google Analytics 4

Google Analytics 4 is the foundation of modern web analytics. We help businesses implement, configure, and optimize GA4 to gain actionable insights from their data — from event tracking to audience building, e-commerce measurement, and beyond.

What you get

Custom GA4 implementation

A tailored tracking plan designed around your business goals and KPIs.

E-commerce & funnel tracking

Complete e-commerce measurement and conversion funnel analysis for data-driven optimization.

Training & documentation

Comprehensive documentation and hands-on training so your team can leverage GA4 autonomously.

Google Analytics 4 process

Discovery & Audit

We analyze your current setup, business goals, and data needs.

Tracking Plan

A detailed measurement plan mapping events to your business objectives.

Implementation

Technical deployment via GTM with data layer configuration.

Quality Assurance

Rigorous testing to ensure data accuracy and completeness.

Training & Support

Team training and ongoing support to maximize your analytics investment.

Featured work

MyLittleBox & Gambettesbox

Heineken / MyFranceBoissons

Onatera

Testimonials

Efficient, very proactive — I highly recommend Tag Expert. Their GA4 implementation gave us complete visibility into our customer journey.

Jean-Louis Monin

Head of Digital at The Invisible Collection

Tag Expert and their teams are structured, actively listen to client needs, and always seek the best solutions. Their mastery of GTM, GA, and the digital ecosystem is remarkable.

Valerie Gele

Digital Director at Otelo

Professional work, by a friendly and available team of professionals. Their tracking audit and implementation exceeded our expectations.

Philippe Meyrueis

CEO at Distrimed

They completely changed my relationship with my business metrics. The dashboards and tracking setup made data-driven decisions effortless.

Tarik Peudon

Founder at Clicboutic

Efficient, very proactive — I highly recommend Tag Expert. Their GA4 implementation gave us complete visibility into our customer journey.

Jean-Louis Monin

Head of Digital at The Invisible Collection

Tag Expert and their teams are structured, actively listen to client needs, and always seek the best solutions. Their mastery of GTM, GA, and the digital ecosystem is remarkable.

Valerie Gele

Digital Director at Otelo

Professional work, by a friendly and available team of professionals. Their tracking audit and implementation exceeded our expectations.

Philippe Meyrueis

CEO at Distrimed

They completely changed my relationship with my business metrics. The dashboards and tracking setup made data-driven decisions effortless.

Tarik Peudon

Founder at Clicboutic

Efficient, very proactive — I highly recommend Tag Expert. Their GA4 implementation gave us complete visibility into our customer journey.

Jean-Louis Monin

Head of Digital at The Invisible Collection

Tag Expert and their teams are structured, actively listen to client needs, and always seek the best solutions. Their mastery of GTM, GA, and the digital ecosystem is remarkable.

Valerie Gele

Digital Director at Otelo

Professional work, by a friendly and available team of professionals. Their tracking audit and implementation exceeded our expectations.

Philippe Meyrueis

CEO at Distrimed

They completely changed my relationship with my business metrics. The dashboards and tracking setup made data-driven decisions effortless.

Tarik Peudon

Founder at Clicboutic

Efficient, very proactive — I highly recommend Tag Expert. Their GA4 implementation gave us complete visibility into our customer journey.

Jean-Louis Monin

Head of Digital at The Invisible Collection

Tag Expert and their teams are structured, actively listen to client needs, and always seek the best solutions. Their mastery of GTM, GA, and the digital ecosystem is remarkable.

Valerie Gele

Digital Director at Otelo

Professional work, by a friendly and available team of professionals. Their tracking audit and implementation exceeded our expectations.

Philippe Meyrueis

CEO at Distrimed

They completely changed my relationship with my business metrics. The dashboards and tracking setup made data-driven decisions effortless.

Tarik Peudon

Founder at Clicboutic

Ready to unlock your data potential?

Talk with the team