Diese acquired by Casa Mendes Gonçalves
What's the deal? Casa Mendes GonçalvesDealroom has a profile for this one. Try Dealroom →, the Portuguese company behind the Paladin sauces brand, has acquired local brand DieseDealroom has a profile for this one. Try Dealroom →, marking its entry into the healthy foods market. The deal included creating new product lines and refreshing the identity of Diese, which dates back to 1955. Financial terms were not disclosed.
What each side brings: Based in Golegã, in the Santarém district, Casa Mendes Gonçalves also owns PeninsularDealroom has a profile for this one. Try Dealroom →, MorenoDealroom has a profile for this one. Try Dealroom →, SacanaDealroom has a profile for this one. Try Dealroom →, BiomitDealroom has a profile for this one. Try Dealroom →, Rubies in the RubbleDealroom has a profile for this one. Try Dealroom →, and Dona Pureza. Diese, formerly owned by the Santos family, sells vinegars and nut creams and was the first brand to market dietary products recognised by Portugal's national health service.
What's the endgame? The acquisition reinforces the company's strategy as a "Casa de Marcas" — a house of Portuguese brands — while diversifying its range with seasonings and nutritious butters. Diese's line includes 100% unfiltered apple cider vinegar with the mother, ginger, or honey, plus peanut butter and almond cream. More product launches are planned in 2026.
Why the rebrand? The new phase gives Diese a lighter, more contemporary image aimed at younger consumers. "The new gamas were designed to be present at different moments of the day, with products that are simple, natural, functional, and full of personality," said Melissa Branco, brand manager at Diese.
The signal: Chief executive officer Carlos Mendes Gonçalves framed the deal around legacy. "It is impossible to talk about the history of healthy eating in Portugal without talking about Diese," he said, adding the goal is to prepare the nearly 70-year-old brand "for a more informed, demanding consumer." The move signals continued consolidation of established Portuguese food brands under a single owner.
Read more: ECO
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