SumUp

SumUp is Europe's answer to the merchant services problem: a scrappy fintech that turned point-of-sale payments into something actually accessible. While legacy payment processors still treat small businesses like second-class customers, SumUp built hardware and software that work together seamlessly, letting anyone from a street vendor to a café owner accept cards in minutes, not months.

The company started by selling cheap card readers—simple, elegant devices that plugged into phones. But that was just the wedge. Today SumUp offers a stack: card readers, invoicing, basic accounting, and increasingly, working capital tools. It's the financial operating system for the SME who doesn't want to negotiate with a relationship manager.

What sets SumUp apart in Europe is its refusal to stay in the payments lane. Most competitors eventually build one feature and call it a day. SumUp keeps layering—acquiring merchant acquirer licenses, launching its own acquiring infrastructure in key markets, adding payment links and e-commerce solutions. The company operates across Western Europe and beyond, working with hundreds of thousands of merchants who are too small for traditional banking but too important to ignore.

SumUp represents the practical, unglamorous evolution of fintech: it's not trying to reinvent banking or blockchain. It's solving the cash flow problem for people who actually run businesses. That's a bigger opportunity than it sounds.