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Case Study · Google Ads Audit

Stop Funding Every
Product Equally.

A Google Ads and Google Merchant Centre audit for a UK e-commerce brand revealed that budget was being spread evenly across products with wildly different margins and conversion rates — and a clear restructure was all it took to fix it.

60%
of Budget on Losing Products
Top 20%
of Products Driving 80% of Profit
£399
Cost of the Audit
30d
Follow-Up Support Included

Revenue Was Ticking Over.
Profit Was a Different Story.

A UK e-commerce brand selling premium kitchenware was spending around £8,000 per month on Google Ads — predominantly Shopping and Performance Max — and seeing a headline ROAS that looked reasonable on paper. But their margins were under pressure, and they couldn't quite work out why.

The problem wasn't immediately obvious. Sales were coming in. The account appeared to be working. But nobody had ever properly analysed which products were actually driving profitable revenue — and which were consuming budget without ever returning it.

"A healthy ROAS across an entire account can mask a lot. The real picture is always in the product-level data."

What the Audit Covered

The audit examined both the Google Ads account structure and the Google Merchant Centre feed in detail. The goal was to understand exactly where budget was going, what it was returning at the product level, and whether the campaign architecture was set up to optimise for profit rather than just revenue.

60%
Budget on Underperformers
Over half the monthly budget was being allocated to product segments with below-breakeven ROAS — all within the same catch-all PMax campaign.
Top 20%
Products Driving 80% of Profit
A small group of high-margin SKUs were consistently outperforming — but were competing for budget against hundreds of lower-value products.
Poor Titles
Merchant Centre Feed Issues
Product titles weren't structured to match the way customers actually search — missing key attributes like material, size and use case that drive qualified traffic.
One Target
No ROAS Segmentation
A single ROAS target was applied across all products, regardless of margin. High-margin products were being held back; low-margin ones were being over-funded.

The Recommendations

The audit produced a prioritised action plan built around one central idea: treat different products differently. The key recommendations were:

  • Segment top-performing, high-margin products into their own dedicated campaigns with ROAS targets calibrated to actual margin — not blended account averages
  • Restructure the remaining catalogue into performance tiers, with budget weighted towards the segments showing the best return
  • Rewrite product titles in Merchant Centre to include the attributes customers actually search for — improving relevance, click-through rate, and conversion quality
  • Introduce product-level ROAS analysis as an ongoing practice, not a one-off exercise
  • Review the Performance Max asset groups to ensure creative and product groupings were aligned to intent

The Outcome

The client had a clear, structured plan to implement — not a vague list of improvements, but a specific sequence of changes ranked by expected impact. The 60-minute walkthrough turned the written report into something they could act on immediately, and the 30 days of follow-up support meant they weren't left to figure it out alone.

For a £399 investment, they walked away with a fundamentally clearer picture of their account — and a roadmap to make their existing budget work significantly harder.

What's Your Account
Hiding?

Most accounts have significant wasted spend that nobody's noticed. A £399 audit tells you exactly where it is — and what to do about it.

Find Out More — £399