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Tracking Fix That Saved Over €500,000 in Wasted Ad Spend
An agency-managed Google Ads account was optimized for months using incorrect conversion data. After auditing GA4, GTM, and Google Ads tracking, multiple broken events and duplicated conversions were found. Once tracking was fixed, optimization decisions changed completely — preventing further budget waste and restoring trust with the client.
Broken tracking fixed
Reliable conversion data
Major budget waste prevented
Agency retained the client
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ROAS Growth from 2.0 to 11.0 After Data Cleanup
A Google Ads account showed poor performance due to mismatched GA4 and Google Ads conversions. After rebuilding the tracking setup and restructuring campaigns, optimization was finally based on accurate signals.
Clean tracking setup
Clear attribution
ROAS increased from ~2 to ~11
Scalable performance unlocked
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Agency Scaling Without Hiring
An agency outsourced multiple Google Ads and Meta Ads clients instead of hiring an in-house specialist. I handled optimization, tracking, and reporting while working fully whitelabel.
No new hires
Reduced internal workload
Better client results
Predictable delivery