Bi1 is a hypermarket chain in Poland and supermarket chain in France. Currently, eight large-format stores operate under this banner,^[1] including seven locations acquired from Real and a hypermarket in Ełk, established specifically for the chain and opened on March 3, 2021.^[2] These stores are managed by Rella Investments.

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Additionally, the Schiever Group owns two centers in Poland featuring Auchan hypermarkets (located in Racibórz and Zielona Góra), which are overseen by Schiever Polska.^[3]

The Bi1 brand also exists in its native French market, where it encompasses a chain of supermarkets with smaller retail spaces.^[4]

In Poland bi1 was created due to acquisition of Real by Auchan.^[5]