Processor SumUp, which handles transactions from four million small merchants in 35 countries, has raised $602 million (€590 million) last month in an approximately 50%-50% combination of debt financing and equity funding. The equity round was SumUp’s first in five years. The company’s valuation was placed at $8.16 billion (€8.00 billion). SumUp has an e-money banking license in the UK, Ireland and Lithuania that cover all countries in Europe. However, it never acts as a full acquirer. Instead, it forms partnerships with one or more acquiring banks in the countries in which it opera...