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Google CSS (Comparison Shopping Services) is a programme that allows certified partners to serve Google Shopping ads on behalf of merchants — at a structural CPC advantage over ads served directly through Google. As a certified Google CSS Partner, we pass this advantage directly to our e-commerce clients.

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How CSS works

1

CSS partner serves Shopping ads

Instead of your Shopping ads being served by Google Shopping directly, they are served by our CSS partner account.
2

Structural CPC reduction

Google charges CSS partners a lower base rate than direct merchants — because they do not apply the Google Shopping comparison service fee. This translates to a structural CPC reduction of approximately 15–20%.
3

Same placement, lower cost

Your ads appear in the same Shopping placements as before — same visibility, same click volume — but at a lower cost per click.
4

Incremental reach

CSS accounts can also surface ads in additional CSS-eligible placements not available to direct Google Shopping advertisers — extending reach.

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What the CPC advantage means

For an e-commerce brand spending €10,000/month on Shopping, a 15–20% CPC reduction means:
  • The same budget buys 15–20% more clicks
  • Or the same click volume costs 15–20% less budget
  • At a 5× ROAS, that structural saving compounds significantly over 12 months

Switch to CSS management

If you are running Google Shopping directly, switching to CSS management is one of the fastest efficiency wins available. Contact us to get started.