To connect Google Ads to Shopify analytics, you need to install the Google tag on your Shopify store, set up enhanced conversions for accurate purchase tracking, link your Google Ads account to Google Analytics 4, configure UTM parameters for campaign-level attribution, verify conversion data is matching actual Shopify orders, and decide whether native Shopify-Google reporting is sufficient or whether you need a unified analytics platform for cross-channel comparison. Most guides stop at step one or two, which gets tracking technically working but leaves founders without accurate attribution or the ability to compare Google performance against their other channels. This guide covers the full setup, including the parts that most tutorials skip and that determine whether your Google Ads data is actually trustworthy.