Luxury & Cosmetics

GUERLAIN: Restoring Absolute Trust in Brand Analytics with Google Tag Gateway

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Guerlain

Date

September 2026

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Key results

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All our cases

GUERLAIN: Restoring Absolute Trust in Brand Analytics with Google Tag Gateway

Other cases you may be interested in

LEROY MERLIN: Uncovering 1.7x Higher Media ROAS For Complex Levers with the Digital Twin MMM

MAJOR LUXURY BRAND: Capturing Brand Perception with an AI Focus Group

ESTEE LAUDER: Deploying a Meridian MMM for +8% Media ROI and -10% Marketing Budget

SPCA Hong Kong: Building a Reliable Measurement Foundation

MAJOR BANKING CLIENT: Perfecting Data Collection with Contentsquare for Better Customer Journeys

PIERRE & VACANCES-CENTER PARCS: Designing and Running Optimization Tests to Maximize Media Performance

BOUYGUES TELECOM: Developing a New CTV Offer to Reach 3 Million Households

ORPI: Assessing the Impact of Google AI Max on Campaign Performance

RENAULT GROUP: Improving Campaign Performance with CAPI and PII-Boosted Conversion Measurement

CARMILA: Doubling Media Efficiency on the Same Budget with a Tailor-Made MMM

BOUYGUES TELECOM: Boosting Competitivity with an Agile, Internalized, Meridian-Based MMM

CHOMP: Gaining +33% New Users and +20 Partners with Enhanced App Analytics

ADEO: Building a Smarter Growth Roadmap with an In-Depth Maturity Audit

COSMETICS: Breaking into New Markets with Full-funnel Marketing Solutions

OLIGHT: Restoring Data Accuracy for Boosted Performance and Cost-effectiveness

TOTALENERGIES: Saving 4M€ and Improving Marketing Efficiency by 20% with a Next-Gen, In-House MMM

RENAULT: Shifting from Volume to Value to Improve Ad Targeting and Efficiency Measurement

EUROPCAR MOBILITY GROUP: Reinforcing Trust in Data by Harmonizing Tracking and Auditing Collection Processes

LABEL EMMAUS: Increasing Vendor Engagement with Automated, Personalized Reporting

LUXURY: Improving Media Campaign Analysis with a Taxonomy Checker

SALOMON: Achieving +83% E-Commerce Revenue by Optimizing Product Feed Data with Generative AI

COSMETICS: Centralizing and Harmonizing E-Commerce Dashboards into One Optimized Platform

NESPRESSO: Doubling Traffic and Tripling Visibility Online by Applying GenAI to Product Feed

HUGO BOSS: Achieving Up to 22% More Conversions with a Continuous CRO Strategy

NUTRITION & SANTÉ: Developing New Activation Opportunities with AMC, Amazon’s Data Clean Room

LA POSTE: Improving Tracking Compliance with Automatic Cookie Scanning and Categorization

DACIA: Calculating the Carbon Footprint of Digital Marketing Activities to Identify Reduction Levers

GUERLAIN: Increasing Signal Resilience with Conversions API for a 18% Uplift in Tracked Conversions

CHRONODRIVE: Reinventing the Grocery Shopping Experience in Thirty Days with Gemini AI

MANSCAPED: Driving Operational Efficiency and Consumer Engagement

CPG: Turning Customer Insights into Business Impact with Treasure Data CDP

WEBHELP: Perfecting B2B Sales with Generative AI

HOSPITALITY: Faster, Better Reporting with a Global In-house Solution

BAYER: Optimizing Creative & Campaigns with a Global Reporting Dashboard

CLAUDIE PIERLOT: Boosting Conversions by 120% with an Ongoing Performance Max Strategy

QUITOQUE: Improving Media Measurement and User Experience through Server-side Data Collection

LEROY MERLIN: Optimizing Marketing Actions across Channels with an Internalized MMM

ASUS: Achieving Record Conversion Rates by Combining First-Party Data and Machine Learning

RENAULT: Optimizing Media Strategy with Online-Offline Attribution

UBISOFT: Improving Video Campaign Performance with Ads Data Hub’s Reach & Frequency Analysis

SHISEIDO: Leveraging the Power of Machine Learning to Boost E-commerce Performance

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