Performance Max for eCommerce - with guardrails
Unlock scale without losing control: feed, tracking, and creative working together.
Performance Max can drive serious revenue - but only when the inputs are right and the automation is managed. We structure your account to protect profitability, learn faster, and scale what works across Shopping, Search, YouTube, and Display.
Google Ads / Performance Max
Performance Max built for profitable eCommerce growth
Performance Max is powerful - and risky - because it’s an automation system. CB scales eCommerce brands with PMax without sacrificing margin — by fixing the inputs Google doesn't tell you to fix, building guardrails, and managing the learning loop like a performance program (not a "set and forget" campaign).
Looking for the full service overview? See our Google Ads management page.
Related playbooks: Shopping Ads for eCommerce, Conversion Tracking.
Want to see examples of profitable scale? Browse Case Studies.
When Performance Max works and why it often doesn’t
PMax rewards strong signals and punishes weak ones. If your feed is messy, tracking is unreliable, and creative is generic, the system will still spend - just not efficiently. Our job is to make sure Google’s automation is learning from high-quality inputs, so it can scale the right outcomes.
It works when the inputs are engineered
Great feed structure, clean conversions, strong creative variation, clear product priorities, and tight exclusions.
It fails when the system is left unsupervised
Broad targeting without guardrails, weak asset groups, uncontrolled brand cannibalization, and "mystery ROAS".
Shopping Ads, Search Ads, Performance Max, Feed Optimization, Bid Strategy, ROAS Improvement
What we build: guardrails + learning velocity
We aim for two things: profit protection (so scale doesn’t break margin) and learning velocity (so the account improves week-over-week, not quarter-over-quarter).
Profit guardrails
Brand vs non-brand strategy, product-level priorities, exclusions, placement hygiene, and campaign boundaries that protect ROAS/POAS.
Faster learning
Asset group structure, creative test loops, feed iterations, audience signals, and clean measurement so the algorithm gets better data.
The core inputs we improve (because PMax is only as smart as your data)
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Clean inputs = better learning
Merchant Center & product feed quality
Titles, attributes, GTINs, taxonomy, custom labels, and disapprovals - built to support profitable bidding and segmentation.
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Trustworthy signals
Measurement & attribution
GA4 alignment, conversion definitions, Enhanced Conversions, and sanity checks so you can trust what PMax is optimizing for.
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Variants that scale
Creative that supports automation
Not "more assets". Better variants: angles, hooks, benefits, offers, and product proof - mapped to product groups and intent.
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Control at scale
Account architecture that stays controllable
Clean separation where needed (brand, category, seasonal pushes), plus reporting structure that makes decisions obvious.
Performance Max - Packages
Start with clarity. Scale with control.
If we don’t have clean tracking, feed structure, and a prioritized product strategy, PMax will spend your budget "successfully" - just not profitably. These packages are designed to establish the foundation first, then compound results over time.
| What you get | Foundation - Audit & Setup | Management - Monthly Optimization |
|---|---|---|
| Best for | Brands new to PMax, or scaling with inconsistent ROAS | Brands ready to iterate weekly and scale winners |
| Tracking & conversion checks | Audit, alignment, and fixes list (GA4 + key events) | Ongoing validation, optimization priorities, and measurement support |
| Feed & Merchant Center | Health audit + segmentation plan (labels, priorities) | Iteration loop (attributes, disapprovals, structure) tied to performance |
| Campaign + asset group structure | Built with guardrails and clear intent mapping | Restructuring as learning reveals winners/losers |
| Creative inputs | Asset requirements + briefing (what to produce, why) | Creative test plan + ongoing iterations |
| Reporting & decision cadence | Baseline + KPI dashboard outline | Monthly performance review + next-step backlog |
| Primary next step | Request audit | Book a discovery call |
A decade of
eCommerce delivery
We work exclusively with eCommerce brands — catalog-heavy stores where design, development, and marketing decisions directly affect revenue.
10+
Years of experience in the digital and eCommerce industry
250+
eCommerce projects completed with proven results
5M €
Managing Over €5 Million GMV for our clients in the last 4 years alone
€200K+
Over €200,000 in Marketing Budgets managed annually for targeted, data-driven campaigns
Customer & partner reviews
Reviewed across platforms
See verified reviews on Google, Facebook, Trustpilot and other platforms. We focus on clear communication, measurable work, and long-term delivery.
Common Performance Max problems we fix
If any of these feel familiar, you’re not alone - they’re usually symptoms of missing structure, weak inputs, or misaligned goals.
"ROAS looks fine, but profit is down"
We look past ROAS: contribution margin, shipping/returns, and product mix. Then we build guardrails around profitable categories.
Brand cannibalization & weird query distribution
We audit search insights, brand coverage, and overlap, then structure campaigns so PMax doesn’t "win" by taking credit for easy demand.
Feed issues and disapprovals dragging performance
We treat feeds like a growth lever: attributes, taxonomy, labeling, and approvals all affect PMax’s ability to find and convert shoppers.
The account never leaves the learning phase
We fix measurement signals, reduce noisy changes, and create a stable iteration rhythm so the system can learn and compound.
How this fits into your eCommerce growth system
PMax performs best when your store fundamentals are strong: product pages convert, tracking is trustworthy, and your product data is clean. If you’re also improving site performance and technical foundations, we often pair this with Technical SEO to remove friction that hurts conversion rate.