Three chains are devouring the supermarket business in Spain year after year: Mercadona, Lidl and Aldi

From ugly duckling to goose that lays the golden eggs. The white label revolution seems to find no ceiling in the retail Spanish. Until not so long ago, the brands associated with supermarkets carried a stigma in Spain compared to items from manufacturer brands clearly recognized by customers. It was not even strange for words like “Estandado” to be used in a pejorative way. Buying white was synonymous with buying ‘poor quality’‘option B’. Not anymore. Spanish families are increasingly betting on white label. And that is making gold for some of the country’s big chains. What has happened? That the white label is experiencing his particular revolution in it retail Spanish. And that is still striking if you take into account that until not so long ago, firms like Hacendado or Auchan carried a certain stigma compared to their competitors, the brands associated with manufacturers. It’s nothing new. For a long time we have been confirming how the white label is driving some chains of “short assortment”supermarkets that are committed to offering customers a limited selection of items. That is, instead of including a dozen different brands of cookies (or other items) on their shelves, they offer only two or one, among which they include their own brand. Chain Market share in value Difference (PP) compared to the 2024 quota Mercadona 37.0% 0.9 Carrefour Group 12.3% -0.2 Lidl 8.0% 0.5 Day Group 4.7% 0.1 Consum Group 4.5% 0.0 Eroski Group 4.4% -0.1 Alcampo Group 3.6% -0.3 aldi 2.5% 0.4 Bon Preu Group 2.4% 0.0 You save 23% 0.1 Gadis Group 1.7% 0.0 Magnifying glass 1.1% -0.1 El Corte Inglés Group 1.0% -0.2 dinosol 0.9% 0.0 Froiz 0.8% 0.0 Alimerka 0.8% 0.0 Rest of Modern distribution 12.0% -1.1 Why is it news? Because the latest data from 2025 reveal that this strategy is driving some brands to catapult them to unprecedented market shares. This is suggested by at least one recent report from Algori on consumption prepared with data from the first ten months of the year. The study shows that at the end of October the three chains that were gaining the greatest market share (in terms of value) in Spain were Mercadona (0.9 percentage points), Lidl (0.5 pp) and Aldi (0.4). Between the three, they also held a market share of 47.5%, a share clearly led by Juan Roig’s company, which alone holds 37%. DIA and Ahorramás are also growing, while others like Carrefour, Alcampo or Eroski are stagnating or decreasing. Chain % of white label sales 2023 % of white label sales 2024 % of white label sales 2025 Lidl 79.7% 81.9% 80.7% Mercadona 72.9% 74.5% 77.8% aldi 68.8% 69.1% 74.5% Day 54.2% 56.3% 65.1% consumption 33% 35.9% 37.4% Carrefour 29.3% 31.4% 33.3% Eroski 25.6% 28.4% 31.2% Alcampo 21.5% 24.3% 23.8% Why is it important? Because Mercadona, Lidl and Aldi are not just any chains. They are precisely the ones that give the greatest prominence to their own brands. At least according to another recent study from Worldpannel by Numerator, which shows that if we talk about the weight of private labels in total sales, Lidl heads the list with 80.7%, followed by Mercadona (77.8%) and Aldi (74.5%). In summary: the chains that gained the greatest market share in 2025 were the ones that most clearly opted for their own products, a strategy that often arrives backed by aggressive price differentiation. elEconomista.es precise Furthermore, Mercadona, Lidl and Aldi have increased their market shares to record figures. Their 47.5% share is more than two percentage points higher than last year, when they accounted for a total of 45.2% of the market. Everything, they explain from Algori, while the entire sector experiences growth both in terms of volume and value. And what are the forecasts? The sector is optimistic. AECOC, the consumer association, states in one of its latest reports that 44% of companies expect to close 2025 with growth data above 5%. 28% expect to increase their activity, although to a lesser extent, and 11% expect to fall. They are led by Lidl and especially Mercadona, which has been expanding its market share until it approaches or even surpasses 30% thanks to a strategy based on white label, territorial dispersion and ready-made foods. Images | Wikipedia and Vitaly Gariev (Unsplash) In Xataka | Mercadona has found a vein to grow beyond its white label and prepared food: tourism

Hotel chains are strengthening their loyalty programs for a reason that has nothing to do with hotels: AI

Marriott, Hilton and Hyatt, three of the largest hotel chains in the world, are accelerating their loyalty programs to get direct reservations, he explains Financial Times. The immediate objective is to save the 15-25% commissions they pay to Booking or Expedia, but the real concern is another: to prepare for when AI agents book trips for us. Why is it important. Who controls the relationship with the client when the AI agents become widespread will control the business. Hotel chains have seen this movie before: This is what happened to e-commerce stores that sold directly, but were disintermediated by Amazon Marketplace. Or to the bloggers who went from publishing on their own websites to platforms like Substack, which promised range and parne. Or the developers who went from selling software directly to depending on the Apple and Google stores. Or, ahem, the media that lost control of distribution to, basically, Google. The facts. Hotel chains are promoting their programs: Marriott Bonvoy reached 260 million members in September, up 18% from a year ago. Hilton is making it easier to access higher tiers while partnering to use points outside of its wallet. Marriott’s CFO has already stated that AI bookings “could be cheaper than OTAs.” Translation: they prefer to pay commissions to OpenAI than to Booking. But only if they maintain control of the data and the relationship with the customer. Between the lines. The obsession with loyalty programs has its logic. If they can get 260 million people to be “Bonvoy members” with registered preferences and accumulated points, when the AI ​​agents arrive they will have to count on them. Or so they hope. Because this strategy assumes that AI agents will care about brands. But maybe not. Yes, but. A really useful conversational agent will scan all the available offer, compare prices in real time, read thousands of reviews and book. Without needing to see any interface. Without the brand mattering too much. Optimizing for price, location and reviews, not whether it’s a Marriott or a Hilton. If the customer never sees the brand, many decades and many dollars invested in brand recognition evaporate. The big question. Who will we trust more: Booking, which we know charges the hotel a commission, or an AI agent whose incentives we do not know to take us to one place or another? At least current platforms are transparent: they charge the hotel and you pay for what you see. With opaque agents making decisions for us, we won’t even have that. In perspective. This pattern will be repeated in dozens of industries. Insurance comparators, marketplacesrestaurant reservations, investment selection… Any digital intermediary whose value is “helping you choose” can be replaced by an AI agent that chooses for you. Hotels will not be the only ones building loyalty walls. Any company whose contact with the end customer is intermediated by digital platforms should be preparing. Because AI agents won’t arrive in five years. The first ones are already here, clumsy, but improving every quarter. In Xataka | AI agents are very useful, until they turn against you to leak information: the dangers of ‘prompt injection‘ Featured image | Michael Mrozek

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