The Maze: Italy's ecommerce market has a narrow middle. ECDB's 2025 comparison of the EU-Big Five shows the top five online stores taking 66% of net sales among Italy's top 250 stores. That is not just a ranking quirk. It is market structure. When two-thirds of the demand captured by the top 250 already sits with five players, every challenger fights over a smaller, more expensive pool.
Italy is the concentrated outlier. The top five stores capture 66% of Italy's top-250 online-store net sales, versus 55% in the UK, 54% in Germany, 51% in Spain, and 46% in France. That puts Italy 20 percentage points above France. Same continent. Same broad ecommerce category. Very different room to breathe. A challenger in Italy is not just fighting Amazon, Shein, eBay, AliExpress, and Temu. It is fighting the gravitational pull of a market where the leaders already control most of the visible demand.
The second tier is where Italy looks weakest. Stores ranked 6-25 take only 16% of Italy's top-250 net sales. The same tier takes 26% in the UK, 19% in Germany, 29% in France, and 25% in Spain. That matters because the 6-25 band is usually where national champions, category specialists, and scaled omnichannel retailers show up. Italy's thin second tier suggests fewer scaled alternatives between the mega-platforms and the long tail. The market does not just have big leaders. It has less counterweight below them.
France shows the opposite shape. France's top five take 46%, the lowest concentration in the comparison, while stores ranked 6-25 take 29%, the highest second-tier share. ECDB still lists familiar leaders in France, including Amazon, Shein, Temu, AliExpress, and Carrefour. So the difference is not that France lacks platforms. The difference is that more demand remains distributed beyond them. For retailers, that is the difference between entering a market with a dominant front row and entering one where the midfield still plays.
Asian platforms make the Italian squeeze sharper. ECDB names Shein, AliExpress, and Temu among Italy's top five, alongside Amazon and eBay. That creates a brutal mix for domestic and European challengers: Amazon sets the benchmark for trust and convenience, while Asian platforms push price, assortment, and discovery pressure. In a less concentrated market, those forces still hurt. In Italy, they eat into a smaller available remainder.
Why it matters: Concentration changes the operating math. In a fragmented market, challengers can win by owning a niche, building loyalty, or improving category execution. In a concentrated one, they need a sharper wedge because demand is already pooled at the top. Italy's 66% top-five share says the battleground is not only who leads ecommerce. It is how much oxygen is left after the leaders take their share.
Sources: ECDB LinkedIn post
