● Google Analytics & GA4

How to set up GA4 enhanced conversions?

GA4 enhanced conversions allow you to send hashed first-party data – like email addresses and phone numbers – directly to Google, improving the accuracy of your conversion tracking and helping Google better attribute ad spend to actual customer actions, especially with increasing privacy restrictions.

  • Customer Match Integration: GA4 now features seamless integration with your Customer Match lists in Google Ads, allowing for more precise audience targeting.
  • Server-Side Tagging: As of early 2026, server-side tagging via Google Tag Manager is the recommended method for sending enhanced conversion data, offering greater data control and resilience against browser limitations.
  • Privacy-Preserving Hashing: All data sent is securely hashed using SHA256 encryption, ensuring compliance with Australian privacy regulations and Google’s policies.
  • Offline Conversion Import: Enhanced conversions work with offline conversion imports, crucial for businesses with significant offline sales or lead generation.

In 2026, Australian businesses are facing increased scrutiny regarding data privacy, with the ongoing evolution of the Privacy Act. Enhanced conversions provide a compliant way to improve tracking accuracy without relying solely on third-party cookies, which are becoming increasingly blocked. Current systems include robust data validation tools within GA4 to ensure data quality and minimise false positives.

Instead of navigating these technical complexities and ensuring full compliance, let ROI.com.au handle the setup and optimisation of your GA4 enhanced conversions. We can take care of all this for you. Contact ROI Growth Agency today to discuss how we can improve your conversion tracking and maximise your return on investment.

Written by: Ewan Watt Founder & CEO – ROI Growth Agency | 1300 650 274 | Bachelor of Business in Marketing 25+ years of digital marketing experience
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