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Google Tag Manager Expert: The conductor of your tracking stack

A poorly managed GTM container is a ticking time bomb for your website.

As a Google Tag Manager expert, I structure your tags, triggers, and variables with surgical precision. I clean up bloated containers, build custom templates, and secure the loading of your third-party scripts.

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Symptoms of an unhealthy GTM setup

01

Slow Site Performance

Tags firing on every single page without exception, adding unnecessary weight and dragging down load times.

02

Script Conflicts

Pixels that don't fire or clash with site code, sometimes breaking core functionality in the process.

03

Zero Governance

Tags named 'Test_final_v2' sitting there since 2019 with no one knowing what they do. I bring order to the chaos.

My GTM Expert methodology

01

Container Audit

A full assessment of your current GTM container's health and performance.

02

Cleanup & Restructuring

Removing dead tags and organizing everything into a clean folder structure.

03

Custom Template Setup

Building reusable templates to standardize tracking across your properties.

Technologies & tools

Multi-platform expertise

0+
Years of Experience

Data & tracking ecosystem

0+
Projects Completed

All company sizes

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People Trained

Analytics & tracking

Matomo
Matomo
Google Analytics
Google Analytics
Piano Analytics
Piano Analytics
Adobe Analytics
Adobe Analytics
etracker
etracker
Google Ads
Google Ads
Meta / Facebook Ads
Meta / Facebook Ads
LinkedIn Ads
LinkedIn Ads
Bing / Microsoft Ads
Bing / Microsoft Ads
Snapchat
Snapchat
TikTok Ads
TikTok Ads
Pinterest Ads
Pinterest Ads
Google Tag Manager
Google Tag Manager
Commanders Act
Commanders Act
Adobe Launch
Adobe Launch
Tealium
Tealium
sGTM
sGTM
Addingwell
Addingwell
Taggrs
Taggrs
Stape
Stape
Segment
Segment
RudderStack
RudderStack
Didomi
Didomi
Sirdata
Sirdata
Axeptio
Axeptio
OneTrust
OneTrust
Tarteaucitron
Tarteaucitron
Cookiebot
Cookiebot
CookieYes
CookieYes
Looker Studio
Looker Studio
Power BI
Power BI
Qlik
Qlik
Tableau
Tableau
AB Tasty
AB Tasty
Kameleoon
Kameleoon
Optimizely
Optimizely
VWO
VWO
Contentsquare
Contentsquare
Shopify
Shopify
WordPress
WordPress
WooCommerce
WooCommerce
PrestaShop
PrestaShop
Magento
Magento
Webflow
Webflow
Squarespace
Squarespace
HubSpot
HubSpot
Sellsy
Sellsy
Salesforce
Salesforce
Zapier
Zapier
Make
Make
Matomo
Matomo
Google Analytics
Google Analytics
Piano Analytics
Piano Analytics
Adobe Analytics
Adobe Analytics
etracker
etracker
Google Ads
Google Ads
Meta / Facebook Ads
Meta / Facebook Ads
LinkedIn Ads
LinkedIn Ads
Bing / Microsoft Ads
Bing / Microsoft Ads
Snapchat
Snapchat
TikTok Ads
TikTok Ads
Pinterest Ads
Pinterest Ads
Google Tag Manager
Google Tag Manager
Commanders Act
Commanders Act
Adobe Launch
Adobe Launch
Tealium
Tealium
sGTM
sGTM
Addingwell
Addingwell
Taggrs
Taggrs
Stape
Stape
Segment
Segment
RudderStack
RudderStack
Didomi
Didomi
Sirdata
Sirdata
Axeptio
Axeptio
OneTrust
OneTrust
Tarteaucitron
Tarteaucitron
Cookiebot
Cookiebot
CookieYes
CookieYes
Looker Studio
Looker Studio
Power BI
Power BI
Qlik
Qlik
Tableau
Tableau
AB Tasty
AB Tasty
Kameleoon
Kameleoon
Optimizely
Optimizely
VWO
VWO
Contentsquare
Contentsquare
Shopify
Shopify
WordPress
WordPress
WooCommerce
WooCommerce
PrestaShop
PrestaShop
Magento
Magento
Webflow
Webflow
Squarespace
Squarespace
HubSpot
HubSpot
Sellsy
Sellsy
Salesforce
Salesforce
Zapier
Zapier
Make
Make

They trusted us

Our consultants have worked for leading brands

Our team has worked with all types of companies and agencies (marketing, data, tracking) across all verticals (E-commerce, B2B, Tech, Healthcare...) with the same commitment to your data projects.

Auchan
Boulanger
Business & Decision
Crédit Agricole Nord de France
Data Detective
Dim
Disneyland Paris
Equancy
Fleurance Nature
France Télévision Edition numérique
Hanesbrands
Jennyfer
Junto
La Redoute
Leroy Merlin
MGEN
Michelin
Optimal Ways
Playtex
PSA Peugeot Citroën
Showroomprive.com
Wonderbra
Auchan
Boulanger
Business & Decision
Crédit Agricole Nord de France
Data Detective
Dim
Disneyland Paris
Equancy
Fleurance Nature
France Télévision Edition numérique
Hanesbrands
Jennyfer
Junto
La Redoute
Leroy Merlin
MGEN
Michelin
Optimal Ways
Playtex
PSA Peugeot Citroën
Showroomprive.com
Wonderbra

Frequently Asked Questions

Why use GTM instead of hardcoded scripts? +

GTM gives your marketing team agility and independence. You can deploy a new Meta pixel in 10 minutes without waiting for the next developer sprint.

Do you handle the DataLayer? +

GTM is nothing without a solid DataLayer. I write the specifications for your dev team so they push the right data points (price, user ID) that GTM can then capture and use.

Is it secure? +

Yes — when properly configured. I set up allowlists to prevent malicious script injection and enforce strict user permission controls.

Can you migrate my current tracking setup to GTM? +

That's one of the most common requests I get. I audit all your hardcoded scripts, rebuild them cleanly inside GTM, and switch everything over with zero data loss.

Let's talk about your data challenges

30 minutes to diagnose your data gaps and identify growth levers. No commitment.

Quick Response

We usually respond within 24 hours

Why choose us?

  • Free audit of your tracking configuration
  • Custom quote within 48 hours
  • Tailored support adapted to your needs