Costco Membership Cards Offer. Sign up for a new costco executive membership and apply for a cibc costco mastercard ®. To date, nearly 100+ million people (and counting) have said yes, please to a costco membership.

Or, a $20 digital costco shop card1 for new gold star members. Receive a $40 online voucher for your next purchase on costco.ca when purchasing a new executive membership on costco.ca.