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Advantage Solutions Inc.

A behind-the-scenes sales and marketing agency for consumer goods, Advantage Solutions helps brands like the ones on your grocery shelves get noticed and sold in stores and online. Founded in 1987 in Irvine, California by Sonny King as Advantage Sales & Marketing, it grew by buying regional brokers and, in 2017, acquired Daymon Worldwide, the world's largest private-brand agency. Its subsidiary Club Demonstration Services runs the in-store product tastings shoppers see at Costco, earning the company the nickname "the hidden force" of retail.