C1000 is a Dutch supermarket chain. Founded in 1981, as of the end of 2011 the chain had 419 stores and employed 32,000 people. Its market share was 13.2% and growing.

The supermarket chain operates in a rather unique manner for a supermarket using the franchise system. C1000 focus for growth is primarily on trying to be the cheapest supermarket.

C1000 often finds itself in competition with Albert Heijn the largest Dutch supermarket chain. C1000's early marketing campaigns were largely about emphasising Albert Heijn's bad points. Until 2008, C1000's parent company Schuitema was owned by Royal Ahold for 73%, Albert-Heijn's parent company.

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