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New AI-Powered Solution for BNPL B2B Purchasing Introduced by Former Mollie and Klarna Executives

Former senior managers of Klarna and Mollie have developed an AI-powered buy now, pay later invoicing solution to solve the problems of B2B purchasing; called Biller.

The product will assist commerce leaders in reducing risks, optimising cash flow, and exceeding buyers’ needs and expectations. The Biller team is co-building its company with Slimmer AI, a European AI B2B venture studio that recently spun-out regtech startup Sentinels.

The B2B commerce market is changing rapidly and according to Goldman Sachs, B2B is the next untapped market opportunity for the payments industry. In Europe, online B2B commerce volume was 710 billion and growing at 18% CAGR.

Derek Vreeburg, co-founder and CEO of Biller explains why he is excited to launch Biller, “Current B2B invoice solutions have lacked innovation for years. With our experience at Klarna and Mollie we know how to transform complex processes into easy-to-use services. Combined with the AI expertise of Slimmer AI, we are confident that we can challenge the status quo and contribute to the next chapter in online B2B commerce”

Future-Proofing B2B Invoicing

B2B commerce has grown rapidly within a short space of time, leaving merchants struggling to keep up with and adapt to buyers’ expanding expectations and needs. Traditional suppliers can neither provide an intuitive product for the desired check-out experience nor add flexibility to the invoice process.

Biller was founded to take away the challenges both buyers and sellers experience trying to fit traditional processes into an increasingly digital world. Realtime, AI-powered credit and fraud checks, flexible payment terms, personalised debtor management, and guaranteed payouts are all areas needed to future proof B2B invoicing and provide an improved experience for both sellers and buyers.

JC Heyneke, CEO, Slimmer AI
JC Heyneke, CEO, Slimmer AI

JC Heyneke, CEO of Slimmer AI, concludes with, “We are convinced that machine learning will reshape the way credit risk assessment in B2B is done, and that this is needed to evolve B2B eCommerce. We are thrilled to partner with Derek, Mick, and Uwe to build Biller!”


  • Tyler is a fintech journalist with specific interests in online banking and emerging AI technologies. He began his career writing with a plethora of national and international publications.

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