In 1992, Denis Dumont founded Prosol with a simple idea: to bring the freshness and atmosphere of a traditional market into a modern supermarket. What began as a regional retail venture would eventually become Grand Frais, one of France's most successful food chains and a major force in the country's grocery sector. 1992
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, Denis Dumont founded Prosol with a simple idea: to bring the freshness and atmosphere of a traditional market into a modern supermarket. What began as a regional retail venture would eventually become Grand Frais, one of France's most successful food chains and a major force in the country's grocery sector.