Does Costco Accept Manufacturers Coupons Yes, Costco does accept manufacturers coupons. However, there are some guidelines and restrictions that apply to the use of coupons at Costco. The warehouse giant allows customers to use one manufacturer’s coupon per item, and the coupon must be valid. Additionally, Costco does not accept expired coupons. According to BradsDeals, Costco accepts coupons from many well-known brands, including Procter & Gamble, General Mills, and Kellogg’s. Customers can find these coupons in various sources such as newspapers, magazines, or online coupon . It’s important to note that Costco does not accept digital or mobile coupons. Customers