London payments firm moves $1B a month despite ‘red flags’

In the space of just five years, a little-known company on the outskirts of London has grown into a payments-industry powerhouse, processing more than 1 billion euros ($1 billion) in transactions every month. Backed by licenses from regulators in the UK and Lithuania, Transactive Systems Ltd. touted itself as “one of the fastest-growing fintech companies […]