First-party tracking that respects privacy

GTM Server-side

GTM Server-side moves your tracking infrastructure to a first-party server, bypassing ad blockers and browser restrictions while improving data accuracy and page performance. We design, deploy, and maintain server-side tagging solutions tailored to your stack.

What you get

Server-side infrastructure

A fully configured GTM Server-side container on Google Cloud or your preferred cloud provider.

Tag migration

Seamless migration of your marketing and analytics tags from client-side to server-side.

Monitoring & maintenance

Ongoing monitoring, alerting, and support to keep your server-side setup running smoothly.

GTM Server-side process

Discovery & Audit

We audit your current tagging setup and identify migration priorities.

Tracking Plan

Architecture design for your server-side container and data flows.

Implementation

Server deployment, tag migration, and consent management integration.

Quality Assurance

End-to-end testing of data flows, consent signals, and conversion APIs.

Training & Support

Documentation, team training, and ongoing operational support.

Featured work

Onatera

MyLittleBox & Gambettesbox

Heineken / MyFranceBoissons

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