Thousands of shoppers will visit their local Costco warehouse in Ontario this weekend searching for gifts or essentials for holiday gatherings.

A 2024 study by Dunnhumby, cited by Retail Insider , named Costco as the top grocery retailer in Canada, beating out discount banners like Super C, Maxi and Walmart. Retail Insider noted Costco’s dominance stems from its strong performance in key value drivers: price, promotions and rewards, operations and digital.

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