BC Card (Hangul: 비씨카드) was a South Korean financial services company headquartered in Seoul. South Korea's largest payment processing company, it provides end-to-end payment services, primarily to financial institutions, as well as to local merchants through its subsidiary company Smartro; credit cards, debit cards and prepaid cards; local brand network operation under the brand of "BC"; card issuing BPO (Business Process Outsourcing) to financial institutions; as well as Internet commerce and mobile payment solutions.