Plans to “launch in Europe” almost always carry a single blended acquisition cost and a single payback period. Europe does not work that way. It is twenty-seven consumer-law regimes, roughly two dozen languages and a click that costs three times as much in Munich as it does in Warsaw — and the fixed cost of entering each market lands whether that market delivers ten customers or a thousand.
The panel below does not invent your acquisition cost. Give it a figure you already trust from a market you already sell in, and it will show you what happens to that figure — and to your payback — as you add countries.
Cost per click tracks income. Across Europe the spread between the cheapest and the most expensive market runs to roughly six or seven times on comparable search terms, with Poland at one end and Switzerland, the Nordics and the German-speaking markets at the other. Nothing about your product changes when you cross that border. The auction does.
Which produces a result most European launch plans get backwards: the markets that are cheapest to acquire in are frequently the ones that get postponed to phase two, because they are smaller by revenue. Acquiring at a third of the cost in a market half the size is a better trade than the reverse, and it is almost never the order companies pick.
Entering a market properly is a list of things that cost money once, regardless of how many customers arrive. Translation is the cheapest item on it.
EU law separates selling actively into a market from merely being available in it. Regulation 2018/302 stops you from blocking a customer in another member state or silently redirecting them to a local site — but it explicitly does not require you to actively sell and deliver across borders.
So there is a deliberate middle position: accept orders from every EU country, support them in English, spend nothing on acquisition there, and watch where demand arrives on its own. That inbound trickle is the cheapest market research available, and it routinely contradicts the country ranking in the business plan. Localise the market that shows up, not the market that looked biggest in a slide.
Two things in a European expansion plan are tax questions wearing marketing clothes.
The first is the salesperson. Put someone in Germany who habitually concludes contracts on your behalf and you may have created a permanent establishment there — with German corporate tax on the profit attributable to it, whatever your Portuguese company’s rate says. The CAC model does not show this and the finance team finds out later.
The second is VAT. Once cross-border B2C sales pass €10,000 across the EU as a whole, you charge the customer’s national rate, not yours. That is a margin change of several points between markets, it belongs in the acquisition model rather than beside it, and we set out how it works in the guide to selling across the EU.
Set your real figure, select the markets in your plan, then remove them one at a time. If the ratio improves when a market comes out, that market was being carried by the others. Sequence it later, or not at all.
And if the blended ratio never clears three, the answer is not a different country. It is a different price, a better margin or a longer relationship — and no market in Europe is cheap enough to fix a product that does not pay for its own acquisition.
Which markets create a taxable presence, where VAT changes your margin, what has to be true of your terms before you sell into Germany or France, and whether a local entity is required at all. Bring us the country list and we will tell you what it costs in the places the CAC model does not look.
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