Setting Up Enhanced Conversions for Lead Generation
Enhanced Conversions for Lead Generation

๐Introduction
A B2B services company generating leads through contact forms needed to improve Google Ads conversion measurement accuracy after seeing significant discrepancy between reported conversions and actual CRM-qualified leads.
โThe Problem
Standard Google Ads conversion tags were over-reporting by 45%. Form submissions were being counted as conversions regardless of whether the form was valid, spam, or a duplicate submission. CRM showed 120 quality leads per month while Google Ads reported 215 conversions.
๐Identifying the Causes
The conversion tag fired on any form submission regardless of outcome. Spam bot submissions, test submissions, and duplicate phone number entries were all counted as conversions. There was no integration between Google Ads and the CRM to import only qualified lead data.
โ ๏ธConsequences for the Business
Smart bidding was optimizing toward spam submissions as if they were real leads. Cost per lead appeared lower than reality, masking the true inefficiency of several campaigns. The sales team was spending time following up with spam and unqualified leads.
โ Solution
Implemented Enhanced Conversions to hash and match email/phone data from form submissions against signed-in Google users. Set up offline conversion import from the CRM (HubSpot) to import only sales-qualified leads with a 7-day delay to reflect qualification timing.
๐Results
Reported conversions aligned within 8% of CRM-qualified leads. Smart bidding re-optimized toward high-quality lead profiles. Cost per qualified lead decreased by 33% in 10 weeks as wasted spend on low-quality traffic was eliminated.
๐Conclusion
For lead generation, the quality of conversion signal matters as much as quantity. Enhanced Conversions combined with CRM offline import is the most effective measurement setup for B2B Google Ads.
๐กKey Takeaways
Qualify your conversion actions โ not all form submissions are equal. CRM offline import takes bidding from optimizing for leads to optimizing for revenue. Enhanced Conversions improve match rates, especially on iOS.