[Analysis] Private labels: What are the best practices of European retailers in 2023? Europe Although European countries have historically been among the largest private label markets in the world, 2022 and Q1 2023 have seen a major shift towards private labels in most markets. Private labels have become a major P&L lever for retailers, as is the case with Mercadona, which derives more than 70% of business from private labels. mind Retail has identified 4 examples of strategic developments in the food sector.