Denner is a discount supermarket chain in Switzerland. It is Switzerland's third largest supermarket chain after Migros and Coop (Switzerland) with 11.4% market share.
It was started in 1881 and later developed by Karl Schweri just after the Second World War, it later made Switzerland's first discounter in 1967 in Zurich. In 1973, it broke the country's tobacco cartel. In 2004, the sales of its 580 outlets exceeded CHF 1.8 billion.
In January 2007 it was announced that Migros has purchased a majority stake in Denner.
He has more than 760 branches throughout Switzerland. Denner maintains its effective policy and discount offers a limited number of quality articles for the lowest prices