Most Google Ads accounts aren't broken. They're drifting. Small issues compound until the forecast misses, the CFO asks uncomfortable questions, and someone suggests "maybe we should audit the account." By then, you've already burned budget on phantom conversions and trained Smart Bidding to chase the wrong signals.
I've seen this pattern across dozens of pipeline reviews. The account looks healthy inside Google Ads: conversions are up, cost per acquisition seems reasonable, ROAS appears strong. Then you compare against CRM data and the story falls apart. The platform reports 200 conversions; the sales team logged 47 qualified leads. That 4:1 gap isn't a reporting quirk. It's the algorithm optimizing toward whatever you told it was a conversion, which in most B2B accounts means form fills that never become pipeline.
Data from 500+ account audits shows that 73% of tracking issues fall into five categories: zero conversions reported despite confirmed sales, duplicate counting inflating performance, delayed attribution causing week-long data gaps, cross-platform discrepancies, and enhanced conversions failing to import. The business impact is severe: accounts with broken conversion tracking waste an average 23% of their budget on poorly performing keywords and audiences.
Conversion Tracking: Audit This First
If conversion tracking is wrong, every other metric in the account is fiction. Broken or duplicated conversion tracking is the most frequent serious issue in a Google Ads audit, and the most damaging, because Smart Bidding optimizes toward whatever it's told is a conversion. A duplicated tag teaches the algorithm to chase phantom wins.
Start by comparing conversion counts against real numbers. Match Google Ads reported conversions to actual CRM or order data for the same date range. A 10-15% gap is usually explainable through attribution windows and cross-device delay. A 40%+ gap means something is broken.
Check for duplicate conversion actions counting the same purchase or lead twice. Confirm which actions are primary (used for bidding) versus secondary or observation-only. For lead gen accounts, verify offline conversion imports are actually running, not just configured, and check the import lag against your sales cycle. Enhanced Conversions for Web are no longer optional; they improve conversion accuracy by securely sending hashed first-party user data to Google at the moment a conversion occurs.
The teams getting real performance out of automated bidding aren't using more sophisticated bid strategies. They're using more honest conversion data: qualified leads from the CRM, deal stages, and monetary value where it exists. Same model. Better signal. Completely different outcome.
Account Structure and Campaign Intent
Campaigns should be segmented by intent and margin, not by a structure inherited from 2019. Search and Performance Max shouldn't cannibalize each other on the same queries. Brand and non-brand need separation so you can read true non-brand performance.
For B2B specifically, Performance Max has an important limitation: it needs a high volume of conversions to optimize against. That's easy when you're selling $30 phone cases; it's harder when sales cycles are long, conversion volume is low, and buyers don't behave like impulse shoppers. Left alone, PMax will happily spend your budget chasing the wrong audience as the right one.
Review location targeting settings. Ensure presence is set correctly for your market. Check ad schedule alignment with staffing. If leads come in at bad times, you're paying for conversions that never get worked.
Search Term Waste and Negative Keyword Hygiene
Pull the search terms report for the last 90 days. Look for irrelevant queries with spend and zero conversions. Review search terms weekly and add negatives like a habit, not a quarterly cleanup.
Check for overlap between Search and Shopping/PMax burning the same term twice. Review Display and Search partner placements for junk traffic. Geographic and device performance should be checked for spend with no return.

Match-type mix should be intentional. Broad match only works when paired with Smart Bidding and tight negatives. Without that discipline, you're funding Google's exploration budget with your pipeline dollars.
Performance Max Guardrails
Performance Max now accounts for 45% of all Google Ads conversions, making it impossible to ignore. But the campaign type operates differently from everything that preceded it. There are no traditional keyword lists, no placement-by-placement budget allocation, and no audience exclusions in the conventional sense.
Account-level negative keywords are essential for brand protection. Performance Max does not support campaign-level negative keyword lists directly. Use account-level negative keywords or request campaign-level negatives through your Google rep to prevent PMax from cannibalizing branded terms.
Audience signals guide the algorithm without restricting reach. Unlike traditional audience targeting, audience signals in Performance Max are directional hints, not hard restrictions. The algorithm uses signals as a starting point and expands beyond them when it finds additional high-value users. For B2B, that means feeding it your best customer lists and letting it find lookalikes, not hoping it figures out your ICP from scratch.
Bidding Strategy Alignment
Smart Bidding refers to bidding strategies that use Google AI to optimize for conversions or conversion value in every auction. Target CPA, Target ROAS, Maximize Conversions, and Maximize Conversion Value are all Smart Bidding strategies.
The single most important optimization lever in Performance Max remains your tCPA or tROAS. Your bid strategy tells Google what success looks like. You can tweak assets, review search terms, analyze channel splits, but if your target is wrong, everything else is noise.
For B2B accounts, implement Enhanced Conversions for Leads end-to-end and assign differentiated conversion values for value-based bidding. The goal is to teach Google not just who fills out a form, but who actually turns into revenue.
The Audit Cadence That Actually Works
Google's own data shows that accounts audited monthly perform 23% better than those audited quarterly, yet 78% of advertisers still conduct comprehensive audits only 2-3 times per year due to time constraints.
Weekly rhythm beats random big changes. Check conversion tracking health, review search terms, verify pacing against budget. Monthly, run the full checklist: structure, waste, bidding alignment, landing page relevance. Quarterly, step back and ask whether the account structure still matches the business.
The most common "performance problem" is actually a tracking problem. The account looks fine, but it's optimizing toward the wrong thing. Fix that first, and the rest of the audit becomes diagnostic rather than forensic.