The Account: $65K/month across Search, Shopping, PMax, and Demand Gen. Platform-reported ROAS: 3.2x. Sounds healthy.
What the Audit Found: GA4 verified revenue was 22% lower than Google Ads reported. Overlap rate: 28%. PMax was spending 47% of its budget on Search channels - essentially duplicating their dedicated Search campaigns, less efficiently. TOFU bleed at 18%.
Orchestration Health Score: 35/100 (Critical).
The Fix (4 weeks):
- Week 1: PMax brand exclusions + top 30 negative keywords
- Week 2: Demand Gen audience separation (Customer Match OFF, remarketing OFF)
- Week 3: PMax Search themes limited to exclude Search-owned queries
- Week 4: Budget rebalanced
60-Day Results: Platform ROAS 3.8x (+19%). GA4 variance dropped from 22% to 8%. Overlap rate 9% (from 28%). TOFU bleed 6% (from 18%). Orchestration Health Score: 78/100. Net monthly revenue increase: $11,200 from better allocation alone.