If a stakeholder has ever quietly stopped trusting a report, this is usually why: nobody validated the conversion data against a second source before it went live.
A quick three-way check
Before treating GA4 conversion numbers as ground truth, compare them against your CRM or order system for the same date range, check GA4’s real-time view while triggering a test conversion yourself, and confirm the event fires once — not zero times, not twice.
It takes twenty minutes and catches the majority of the “why don’t our numbers match” conversations before they happen.