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Klarna

KLARNA

HQ: STOCKHOLM, SWEDEN CEO: SEBASTIAN SIEMIATKOWSKI FOUNDED: 2005

has revolutionised the e-commerce payment landscape with its innovative‘ buy now, pay later’ service, fundamentally changing how consumers approach online purchases. Founded by Sebastian Siemiatkowski, Niklas Adalberth and Victor Jacobsson, the Swedish fintech company transformed from a startup into one of Europe’ s most valuable private companies. The firm experienced explosive growth during the pandemic as online shopping surged, reaching a peak valuation of US $ 45.6bn in 2021. Klarna’ s business model centres on providing flexible payment solutions that allow consumers to split purchases into interest-free instalments. Sebastian Siemiatkowski, CEO, Klarna

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Klarna UK: What you need to know

28 July 2025