Performance Max Agency
Smart Bidding is not the problem. Single-asset-group setups, margin-blind feeds, and creative pools that dilute conversion data are. We are the Performance Max agency that ships the structure 200+ ecom accounts run on.
Written by Christopher Krassnig, Founder & CEO of ZenoX Media. Runs Google Ads for 200+ ecom brands. Everything on this page comes from those accounts.
For ecom, Performance Max is really a feed campaign wearing six surfaces - Search, Shopping, YouTube, Discover, Gmail, Display. What decides ROAS is not the format but the inputs, and most stores feed it wrong: one asset group, no margin labels, no audience signals. That hands Smart Bidding the wheel with no map. Our structure, built across 12,000 PMax campaigns, fixes all three - proper asset-group splits, margin-tier labels, and seeded audience signals.
Smart Bidding optimises for the easy products. High-AOV SKUs get starved. Twelve thousand campaigns of data say two asset groups beat one by 17% ROAS at the same spend tier.
PMax with empty audience signal panels learns from scratch on every campaign. Customer match, lookalike, and intent signals shorten learning by weeks and lift first-month ROAS materially.
Default PMax setups will buy your own brand traffic at premium CPCs. Brand-search exclusions push that traffic to a tightly-controlled Search campaign at one-fifth the cost.
PMax fatigues creative inside two-three weeks at scale. Without a planned rotation cadence, CTR decays and Smart Bidding compensates by lifting bids. ROAS quietly erodes.
Why ZenoX for Performance Max
Twelve thousand Performance Max campaigns across 200+ ecom accounts trained the structure we ship. Margin-tier asset groups, audience signal scaffolding, creative rotation calendar, brand-search exclusion. The structure is not a hypothesis. It is the median outcome from the dataset.
Pair it with our Adaptive Feed Optimizer and the Performance Labelizer and PMax stops being a black box. Champions get budget. Wasters get cut. Sleepers get a fair shot. Smart Bidding finally has signal worth optimising against.
Proof of the Work Above
Each case shows the starting point, the work, and the measured result.
Cold launch to €100K/month on Google Ads inside 60 days. Zero history, zero pixel, zero excuses.
Revenue
€100.0K/mo
ROAS
3.6x
Days
60
A Meta-only operator added Google with ZenoX. Google Ads revenue rose from €60K to €720K per month.
Revenue
€720.0K/mo
ROAS
6.5x
Days
240
Multi-store operator dialled in to €10-15K/day for Q4. Black Friday landed where it was supposed to.
Revenue
€420.0K/mo
ROAS
3.0x
Days
120
Seen enough receipts? Let's look at your account.
Three ways to run Performance Max, and the campaigns are the smallest difference between them. The structure, the feed, and who actually watches the account decide whether PMax scales. Here is where each option lands.
Structure from 12,000 PMax campaigns. Senior operator plus AI engine on every account.
Free in fees, expensive in time. You are the operator.
Runs PMax like a set-and-forget box, one campaign per store.
Performance Max FAQ
Drop the account ID on WhatsApp. We pull your PMax campaigns up live and walk through the asset group restructure that the dataset says will lift ROAS 15-25% at flat spend.
If we cannot lift it, we tell you on the call.
Not ready to hire an agency yet? Join the free Google Ads community
From the playbook
Operator-level breakdowns from running 200+ ecom Google Ads accounts. The same playbook this page is built on.
Performance Max Best Practices for Ecommerce in 2026 (200+ Account Playbook)
Performance Max best practices that move an ecom account in 2026. Structure, custom labels, asset groups, exclusions, the bid reset most agencies do too late.
Best Performance Max Agency for Ecommerce: 7 Real Options (2026)
Six Performance Max agencies compared for ecommerce, with who each one fits. Only three publish a price. Run the seven five-minute checks before any call.
Performance Max vs Standard Shopping: When to Use Each (2026 Guide)
PMax vs Standard Shopping: when to run each, how to split budget, and why healthy ecom accounts run both together instead of forcing one to do everything.
Performance Max vs Search Campaigns for Ecommerce: Which Wins in 2026
Performance Max vs Search campaigns for ecommerce in 2026. When PMax wins, when Search wins, and why the accounts that scale run both with a brand backstop.
Performance Max Isn't the Problem. Your Feed Is Doing the Bidding
Most brands blame Performance Max for inefficient spend. The real lever is the product feed, and almost nobody is using it. Here's the operator-level fix.
Fix Your Performance Max Campaign That Is Wasting Spend
Most PMAX campaigns quietly bleed budget through five broken settings - CSS, conversions, location, assets. Here is the 15-minute checklist to stop the waste.
Straight answers
The questions store owners actually ask us before they hire. Each one answered in full, no sales pitch.
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