Budget: 3000 UAH Deadline: 3 days
Good day!
From the description of the situation, a typical problem is evident in the connection GA4 → GTM → Google Ads: some conversions are recorded in analytics but do not reach Google Ads, plus there is duplication of events.
I have experience solving such cases.
What I will do as part of the audit:
I will check the GA4 settings, events, and rules for their registration;
I will analyze Google Tag Manager (tags, triggers, conditions for activation, possible duplicates);
I will check the import and settings of conversions in Google Ads;
I will verify attribution and event parameters (value, currency, transaction_id);
I will identify the reasons why some conversions are not counted in Google Ads;
I will find the source of event duplication and eliminate it.
Result:
correct transmission of conversions to Google Ads;
absence of duplicates in GA4;
clear and reliable picture of advertising effectiveness;
recommendations if there are other technical deficiencies.