Klarna is a Swedish fintech company founded in 2005, known for its innovative "buy now, pay later" (BNPL) service. This service allows consumers to purchase goods and defer payment for up to 30 days or split payments into four interest-free installments. Klarna has evolved from a simple invoicing solution into a comprehensive retail bank and payment platform, enhancing the entire consumer shopping journey with features like discovery tools and embedded banking infrastructure.

The company operates globally, serving millions of consumers and thousands of merchants. Klarna offers various services, including longer-term financing plans for larger purchases, online and in-store payment solutions, and consumer banking features such as budgeting tools and cashback. Additionally, Klarna provides merchants with marketing and conversion optimization tools to enhance sales and customer experience. With a focus on flexible payment options, Klarna caters to both e-commerce merchants and online shoppers, making it a popular choice in markets with low credit card usage.