Skip to content

Marketing Attribution in the Netherlands: Why Your ROAS is Wrong (and How to Fix It)

Quick Answer: If you are a Dutch ecommerce brand, the Return on Ad Spend (ROAS) that Meta and Google report is likely higher than what your ads caused. Traditional attribution cannot tell sales that were *influenced* by ads from sales that were *caused* by them. A causal inference model measures the true, incremental lift of your marketing.

Three platforms, three answers, one budget to defend. Your GA4 export already holds the answer, and the first finding is free and never leaves your browser. Get your first finding free

By , Founder & CEOUpdated 1 min read

Run the numbers for your store: the free break-even ROAS calculator.

Frequently asked questions

  • How much does accurate marketing attribution cost for Shopify stores?
    Causality Engine costs €99, one time, for a causal read on a GA4 export; 12 months or more of history reads best. Pro is €299 a month, billed monthly, for continuous reads with lifetime look-back. The €99 read is refundable within 30 days, no questions asked. Prices exclude VAT.

Go deeper: Causal attribution, explained.

Sixty-second versions of these ideas: Causality Engine on YouTube Shorts.

Have an audience of ecommerce operators? Earn 20% recurring commission by recommending the €99 read.

Keep reading

Your platforms guess.
We run the math.

Upload a GA4 export and see what each channel caused, next to last-click, in 1–2 minutes. The read is yours to keep.

The free finding runs in your browser. Your file never leaves it. The full read is €99, refundable within 30 days, no questions asked. Prices exclude VAT.